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Powder Cores
Powder Cores ■ Molypermalloy ■ High Flux ■ Kool Mµ ® Since 1949, MAGNETICS, a division of Spang & Company, has been a leading world supplier of precision, high quality, magnetic components and materials to the electronics industry. Applications for these products range from simple chokes and transformers used in telephone equipment to sophisticated devices for aerospace electronics. Staffed with a high degree of technical talent coupled with modern research facilities, MAGNETICS has followed a carefully charted course to find and fill specialized industrial needs while pioneering new designs, product developments, and innovations in manufacturing methods. Many of these developments have resulted in acceptance of MAGNETICS products as industry standards in tape wound cores, powder cores, and ferrite cores. LITERATURE AVAILABLE AT www.mag-inc.com PRODUCT LITERATURE AND DESIGN SOFTWARE CD CONTAINS ● All Product Literature ● Common Mode FIlter Design Software ● Current Transformer Design Software ● Inductor Design Software ● Mag Amp Design Software ® POWDER CORE LITERATURE ● MPP-Q1 ● MPP-T1 ● KMC-S1 ● KMC-E1 ● CG-03 Q-Curves for MPP Cores MPP THINZ Technical Bulletin Kool Mu Application Notes Kool Mu E Core Technical Bulletin Cores For Flybacks CONTENTS FERRITE LITERATURE ● FC-601 ● FC-S1 ● FC-S2 ● FC-S3 ● FC-S4 ● FC-S5 ● FC-S7 ● FC-S8 ● CG-01 Design Manual Ferrite Material Selection Guide EMI/RFI Common Mode Filters Q Curves for Ferrite Cores Step Gap E-cores, Swinging Chokes Common Mode Inductors for EMI Curve Fit Equations for Ferrite Materials Designing with Planar Ferrite Cores A Critical Comparison of Ferrites with other Magnetic Materials SECTION 1 GENERAL INFORMATION SECTION 2 CORE SELECTION SECTION 3 TECHNICAL DATA SECTION 4 CORE DATA TAPE WOUND CORE LITERATURE ● TWC-500 ● TWC-S1 ● TWC-S2 ● TWC-S3 ● SR-4 ● SR-6 Design Manual Fundamentals of Tape Wound Core Design How to Select the Proper Core for Saturating Transformers Inverter Transformer Core Design and Material Selection Mag Amp Control in SMPS Reduction of Control-loop Interactions in Mag Amps CUT CORE LITERATURE ● MCC-100T Design Manual BOBBIN CORE LITERATURE ● BCC-1.1 Design manual GENERAL INFORMATION ● APB-2 ● CG-04 ● CG-02 ● CG-05 ● CG-06 ● TID-100 ● SR-1A ● PS-01 ● PS-02 ● HED-01 ● RC-1 ● MPB-1 ● SSM-6 ● SSM-7 ● SSM-8 ● SSM-9 ● SSM-10 All Products Bulletin Testing Magnetic Cores Material Selection Charts for Frequency, Temperature, Geometry, Stability Frequently Asked Questions About MAGNETICS Materials Designing With Magnetic Cores at High Temperature Power Transformer and Inductor Design Inductor Design in Switching Regulators Cores for SMPS Magnetic Cores for Switching Power Supplies Cores for Hall Effect Devices Cores for Ground Fault Interrupters Spang Metals All Product Bulletin Permalloy 80 MuMetal Alloy 48 Magnetic Shielding Materials Magnesil-N “Thin Gauge” Non-Oriented Silicon Steel SECTION 5 1-1 Introduction 1-2 Applications 1-3 Core Identification 1-4 General Powder Core Information 2-1 Core Selection Procedure 2-2 Core Selection Example 2-2 Temperature Rise Calculations 2-3 Core Selector Charts 3-1 Material Properties 3-2 Conversion Tables 3-3 Normal Magnetization Curves 3-5 Core Loss Density Curves 3-12 Permeability versus Temperature Curves 3-15 Permeability versus DC Bias Curves 3-17 Permeability versus AC Flux Curves 3-19 Permeability versus Frequency Curves 3-21 Wire Table 4-1 Toroid Data 4-31 Kool Mµ® E Core Data 4-33 MPP THINZTM Data HARDWARE 5-1 Toroid Mounts 5-5 Kool Mµ® E Core Hardware www.mag-inc.com ©2002 Magnetics All Rights Reserved Printed in USA MPP Core Locator & Unit Pack Quantity P/N PAGE 55014-A2 55015-A2 55016-A2 55017-A2 55018-A2 55019-A2 55020-A2 55021-A2 55022-A2 55023-A2 55024-A2 55025-A2 55026-A2 55027-A2 55028-A2 55029-A2 55030-A2 55031-A2 55032-A2 55033-A2 55034-A2 55035-A2 55036-A2 55037-A2 55038-A2 55039-A2 55040-A2 55041-A2 55042-A2 55043-A2 55044-A2 55045-A2 55046-A2 55047-A2 55048-A2 55049-A2 55050-A2 55051-A2 55052-A2 55053-A2 55059-A2 55071-A2 55076-A2 55082-A2 55083-A2 55084-A2 55086-A2 55087-A2 55088-A2 55089-A2 55090-A2 55091-A2 55092-A2 55103-A2 55104-A2 55106-A2 55107-A2 55108-A2 55109-A2 55110-A2 55111-A2 55112-A2 55114-A2 55115-A2 55116-A2 55117-A2 55118-A2 4-4 4-4 4-4 4-4 4-4 4-4 4-4 4-4 4-4 4-4 4-8 4-8 4-8 4-8 4-8 4-8 4-8 4-8 4-8 4-8 4-11 4-11 4-11 4-11 4-11 4-11 4-11 4-11 4-11 4-11 4-13 4-13 4-13 4-13 4-13 4-13 4-13 4-13 4-13 4-13 4-17 4-20 4-22 4-25 4-23 4-25 4-25 4-25 4-25 4-25 4-25 4-25 4-25 4-28 4-28 4-28 4-28 4-28 4-56 4-28 4-28 4-28 4-14 4-14 4-14 4-14 4-14 A QTY 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 1000 300 300 120 200 120 120 120 120 120 120 120 120 100 100 100 100 100 100 100 100 100 2500 2500 2500 2500 2500 P/N 55119-A2 55120-A2 55121-A2 55122-A2 55123-A2 55124-A2 55125-A2 55127-A2 55128-A2 55129-A2 55130-A2 55131-A2 55132-A2 55133-A2 55134-A2 55135-A2 55137-A2 55138-A2 55139-A2 55140-A2 55144-A2 55145-A2 55147-A2 55148-A2 55149-A2 55150-A2 55174-A2 55175-A2 55177-A2 55178-A2 55179-A2 55180-A2 55181-A2 55190-A2 55191-A2 55192-A2 55195-A2 55196-A2 55197-A2 55198-A2 55199-A2 55200-A2 55201-A2 55202-A2 55203-A2 55204-A2 55205-A2 55206-A2 55208-A2 55209-A2 55234-A2 55235-A2 55236-A2 55237-A2 55238-A2 55239-A2 55240-A2 55241-A2 55242-A2 55243-A2 55248-A2 55249-A2 55250-A2 55251-A2 55252-A2 55253-A2 55254-A2 PAGE 4-14 4-14 4-14 4-14 4-14 4-12 4-12 4-12 4-12 4-12 4-12 4-12 4-12 4-12 4-1 4-1 4-1 4-1 4-1 4-1 4-2 4-2 4-2 4-2 4-2 4-2 4-3 4-3 4-3 4-3 4-3 4-3 4-3 4-27 4-27 4-27 4-27 4-27 4-27 4-27 4-27 4-16 4-16 4-16 4-16 4-16 4-16 4-16 4-16 4-16 4-5 4-5 4-5 4-5 4-5 4-5 4-5 4-5 4-5 4-5 4-23 4-23 4-23 4-23 4-23 4-23 4-23 QTY 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 1550 1550 550 1550 1550 760 760 760 760 760 760 600 600 600 600 600 600 600 100 100 100 100 100 100 100 100 1000 1000 1000 1000 1000 1000 1000 1000 1000 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 200 200 200 200 200 200 200 P/N PAGE 55256-A2 55257-A2 55264-A2 55265-A2 55266-A2 55267-A2 55268-A2 55269-A2 55270-A2 55271-A2 55272-A2 55273-A2 55274-A2 55275-A2 55276-A2 55277-A2 55278-A2 55279-A2 55280-A2 55281-A2 55282-A2 55283-A2 55284-A2 55285-A2 55286-A2 55287-A2 55288-A2 55289-A2 55290-A2 55291-A2 55292-A2 55293-A2 55304-A2 55305-A2 55306-A2 55307-A2 55308-A2 55309-A2 55310-A2 55312-A2 55313-A2 55318-A2 55319-A2 55320-A2 55321-A2 55322-A2 55323-A2 55324-A2 55326-A2 55327-A2 55344-A2 55345-A2 55347-A2 55348-A2 55349-A2 55350-A2 55351-A2 55352-A2 55353-A2 55374-A2 55375-A2 55377-A2 55378-A2 55379-A2 55380-A2 55381-A2 55382-A2 4-23 4-23 4-6 4-6 4-6 4-6 4-6 4-6 4-6 4-6 4-6 4-6 4-9 4-9 4-9 4-9 4-9 4-9 4-9 4-9 4-9 4-9 4-10 4-10 4-10 4-10 4-10 4-10 4-10 4-10 4-10 4-10 4-17 4-17 4-17 4-17 4-17 4-17 4-17 4-17 4-17 4-22 4-22 4-22 4-22 4-22 4-22 4-22 4-22 4-22 4-18 4-18 4-18 4-18 4-18 4-18 4-18 4-18 4-18 4-15 4-15 4-15 4-15 4-15 4-15 4-15 4-15 QTY 200 200 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 1000 1000 1000 1000 1000 1000 1000 1000 1000 300 300 300 300 300 300 300 300 300 500 500 500 500 500 500 500 500 500 2500 2500 2500 2500 2500 2500 2500 2500 P/N PAGE QTY 55383-A2 55404-A2 55405-A2 55407-A2 55408-A2 55409-A2 55410-A2 55411-A2 55412-A2 55413-A2 55432-A2 55433-A2 55435-A2 55436-A2 55437-A2 55438-A2 55439-A2 55440-A2 55441-A2 55542-A2 55543-A2 55544-A2 55545-A2 55546-A2 55547-A2 55548-A2 55550-A2 55551-A2 55579-A2 55580-A2 55581-A2 55582-A2 55583-A2 55584-A2 55585-A2 55586-A2 55587-A2 55588-A2 55709-A2 55710-A2 55712-A2 55713-A2 55714-A2 55715-A2 55716-A2 55717-A2 55718-A2 55848-A2 55866-A2 55867-A2 55868-A2 55869-A2 55894-A2 55906-A2 55907-A2 55908-A2 55909-A2 55924-A2 55925-A2 55926-A2 55927-A2 55928-A2 55929-A2 55930-A2 55932-A2 55933-A2 4-15 4-7 4-7 4-7 4-7 4-7 4-7 4-7 4-7 4-7 4-24 4-24 4-24 4-24 4-24 4-24 4-24 4-24 4-24 4-20 4-20 4-20 4-20 4-20 4-20 4-20 4-20 4-20 4-21 4-21 4-21 4-21 4-21 4-21 4-21 4-21 4-21 4-21 4-26 4-26 4-26 4-26 4-26 4-26 4-26 4-26 4-26 4-16 4-29 4-29 4-29 4-29 4-19 4-30 4-30 4-30 4-30 4-19 4-19 4-19 4-19 4-19 4-19 4-19 4-19 4-19 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 120 120 120 120 120 120 120 120 120 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 100 100 100 100 100 100 100 100 100 1000 27 27 27 27 500 27 27 27 27 500 500 500 500 500 500 500 500 500 www.mag-inc.com PAGE 58018-A2 58019-A2 58020-A2 58021-A2 58022-A2 58023-A2 58028-A2 58029-A2 58030-A2 58031-A2 58032-A2 58033-A2 58038-A2 58039-A2 58040-A2 58041-A2 58042-A2 58043-A2 58048-A2 58049-A2 58050-A2 58051-A2 58052-A2 58053-A2 58059-A2 58071-A2 58076-A2 58083-A2 58089-A2 58090-A2 58091-A2 58092-A2 58109-A2 58110-A2 58111-A2 58112-A2 58118-A2 58119-A2 58120-A2 58121-A2 58122-A2 58123-A2 58128-A2 58129-A2 58130-A2 58131-A2 58132-A2 58133-A2 58190-A2 58191-A2 4-4 4-4 4-4 4-4 4-4 4-4 4-8 4-8 4-8 4-8 4-8 4-8 4-11 4-11 4-11 4-11 4-11 4-11 4-13 4-13 4-13 4-13 4-13 4-13 4-17 4-20 4-22 4-23 4-25 4-25 4-25 4-25 4-28 4-28 4-28 4-28 4-14 4-14 4-14 4-14 4-14 4-14 4-12 4-12 4-12 4-12 4-12 4-12 4-27 4-27 QTY 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 1000 300 300 200 120 120 120 120 100 100 100 100 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 100 100 P/N 58192-A2 58195-A2 58204-A2 58205-A2 58206-A2 58208-A2 58209-A2 58238-A2 58239-A2 58240-A2 58241-A2 58242-A2 58243-A2 58252-A2 58253-A2 58254-A2 58256-A2 58257-A2 58268-A2 58269-A2 58270-A2 58271-A2 58272-A2 58273-A2 58278-A2 58279-A2 58280-A2 58281-A2 58282-A2 58283-A2 58288-A2 58289-A2 58290-A2 58291-A2 58292-A2 58293-A2 58308-A2 58309-A2 58310-A2 58312-A2 58313-A2 58322-A2 58323-A2 58324-A2 58326-A2 58327-A2 58348-A2 58349-A2 58350-A2 58351-A2 www.mag-inc.com PAGE 4-27 4-27 4-16 4-16 4-16 4-16 4-16 4-5 4-5 4-5 4-5 4-5 4-5 4-23 4-23 4-23 4-23 4-23 4-6 4-6 4-6 4-6 4-6 4-6 4-9 4-9 4-9 4-9 4-9 4-9 4-10 4-10 4-10 4-10 4-10 4-10 4-17 4-17 4-17 4-17 4-17 4-22 4-22 4-22 4-22 4-22 4-18 4-18 4-18 4-18 QTY 100 100 1000 1000 1000 1000 1000 2500 2500 2500 2500 2500 2500 200 200 200 200 200 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 1000 1000 1000 1000 1000 100 300 300 300 300 500 500 500 500 P/N PAGE QTY 58352-A2 58353-A2 58378-A2 58379-A2 58380-A2 58381-A2 58382-A2 58383-A2 58408-A2 58409-A2 58410-A2 58411-A2 58412-A2 58413-A2 58438-A2 58439-A2 58440-A2 58441-A2 58546-A2 58547-A2 58548-A2 58550-A2 58551-A2 58583-A2 58584-A2 58585-A2 58586-A2 58587-A2 58588-A2 58715-A2 58716-A2 58717-A2 58718-A2 58848-A2 58866-A2 58867-A2 58868-A2 58869-A2 58894-A2 58906-A2 58907-A2 58908-A2 58909-A2 58928-A2 58929-A2 58930-A2 58932-A2 58933-A2 4-18 4-18 4-15 4-15 4-15 4-15 4-15 4-15 4-7 4-7 4-7 4-7 4-7 4-7 4-24 4-24 4-24 4-24 4-20 4-20 4-20 4-20 4-20 4-21 4-21 4-21 4-21 4-21 4-21 4-26 4-26 4-26 4-26 4-16 4-29 4-29 4-29 4-29 4-19 4-30 4-30 4-30 4-30 4-19 4-19 4-19 4-19 4-19 500 500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 120 120 120 120 300 300 300 300 300 300 300 300 300 300 300 100 100 100 100 1000 27 27 27 27 300 27 27 27 27 500 500 500 500 500 B Hardware P/N General Information High Flux Core Locator & Unit Pack Quantity Kool Mµ® Core Locator & Unit Pack Quantity P/N 77020-A7 77021-A7 77030-A7 77031-A7 77040-A7 77041-A7 77050-A7 77051-A7 77054-A7 77055-A7 77059-A7 77071-A7 77076-A7 77083-A7 77089-A7 77090-A7 77091-A7 77093-A7 77094-A7 77109-A7 77110-A7 77111-A7 77120-A7 77121-A7 77130-A7 77131-A7 77140-AY 77141-AY 77150-AY 77151-AY 77154-AY 77155-AY 77180-AY 77181-AY 77184-AY 77185-AY 77191-A7 77192-A7 77193-A7 77194-A7 77195-A7 77206-A7 C PAGE QTY 4-4 4-4 4-8 4-8 4-11 4-11 4-13 4-13 4-13 4-13 4-17 4-20 4-22 4-23 4-25 4-25 4-25 4-25 4-25 4-28 4-28 4-28 4-14 4-14 4-12 4-12 4-1 4-1 4-2 4-2 4-2 4-2 4-3 4-3 4-3 4-3 4-27 4-27 4-27 4-27 4-27 4-16 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 1000 300 300 200 120 120 120 120 120 100 100 100 2500 2500 2500 2500 1550 1550 750 750 750 750 600 600 600 600 100 100 100 100 100 1000 P/N 77210-A7 77211-A7 77213-A7 77214-A7 77224-A7 77225-A7 77240-A7 77241-A7 77244-A7 77245-A7 77254-A7 77256-A7 77258-A7 77259-A7 77270-A7 77271-A7 77280-A7 77281-A7 77290-A7 77291-A7 77294-A7 77295-A7 77310-A7 77312-A7 77314-A7 77315-A7 77324-A7 77326-A7 77328-A7 77329-A7 77334-A7 77335-A7 77350-A7 77351-A7 77352-A7 77354-A7 77355-A7 77380-A7 77381-A7 77384-A7 77385-A7 77410-A7 PAGE QTY P/N PAGE 4-16 4-16 4-28 4-28 4-14 4-14 4-5 4-5 4-5 4-5 4-23 4-23 4-23 4-23 4-6 4-6 4-9 4-9 4-10 4-10 4-10 4-10 4-17 4-17 4-17 4-17 4-22 4-22 4-22 4-22 4-12 4-12 4-18 4-18 4-18 4-18 4-18 4-15 4-15 4-15 4-15 4-7 1000 1000 100 100 2500 2500 2500 2500 2500 2500 200 200 200 200 2500 2500 2500 2500 2500 2500 2500 2500 1000 1000 1000 1000 300 300 300 300 2500 2500 500 500 500 500 500 2500 2500 2500 2500 2500 77411-A7 77414-A7 77415-A7 77438-A7 77439-A7 77440-A7 77442-A7 77443-A7 77444-AY 77445-AY 77548-A7 77550-A7 77552-A7 77553-A7 77585-A7 77586-A7 77587-A7 77589-A7 77590-A7 77715-A7 77716-A7 77717-A7 77719-A7 77720-A7 77824-A7 77825-A7 77834-A7 77835-A7 77844-A7 77845-A7 77848-A7 77868-A7 77874-A7 77875-A7 77884-A7 77885-A7 77894-A7 77908-A7 77930-A7 77932-A7 77934-A7 77935-A7 4-7 4-7 4-7 4-24 4-24 4-24 4-24 4-24 4-16 4-16 4-20 4-20 4-20 4-20 4-21 4-21 4-21 4-21 4-21 4-26 4-26 4-26 4-26 4-26 4-4 4-4 4-8 4-8 4-11 4-11 4-16 4-29 4-6 4-6 4-6 4-6 4-19 4-30 4-19 4-19 4-19 4-19 www.mag-inc.com QTY 2500 2500 2500 120 120 120 120 120 1550 1550 300 300 300 300 300 300 300 300 300 100 100 100 100 100 2500 2500 2500 2500 2500 2500 1000 27 2500 2500 2500 2500 500 27 500 500 500 500 General Information Introduction MAGNETICS Molypermalloy Powder (MPP) cores are distributed air gap toroidal cores made from a 79% nickel, 17% iron, and 4% molybdenum alloy powder for the lowest core losses of any powder core material. MPP cores possess many outstanding magnetic characteristics, such as high resistivity, low hysteresis and eddy current losses, excellent inductance stability after high DC magnetization or under high DC bias conditions and minimal inductance shift up to 2000 gausses under AC conditions. MAGNETICS High Flux powder cores are distributed air gap toroidal cores made from a 50% nickel - 50% iron alloy powder for the highest available biasing capability of any powder core material. High Flux cores have certain advantages that make them quite useful for applications involving high power, high dc bias, or high ac bias at high power frequencies. High Flux cores have a saturation flux density of 15000 gauss, as compared to 7500 gauss for standard MPP cores or 4500 gauss for ferrites. The core loss of High Flux powder cores is significantly lower than that of powdered iron cores. It is possible that High Flux cores will offer a reduction in core size over powdered iron cores in most applications. MAGNETICS Kool Mµ® powder cores are distributed air gap cores made from a ferrous alloy powder for low losses at elevated frequencies. The near zero magnetostriction alloy makes Kool Mµ ideal for eliminating audible frequency noise in filter inductors. www.mag-inc.com MPP THINZTM, or Molypermalloy Powder washer cores, are distributed air gapped toroidal cores made from a 79% nickel, 17% iron, and 4% molybdenum alloy powder having the highest permeability of any powder core material and significantly higher saturation flux density compared to discrete gapped ferrite. THINZTM offer an extremely low height self shielded power inductor core allowing finished inductor heights in the 1.5 mm to 2 mm range. Excellent temperature stability, superior inductance under DC bias, and low core losses highlight this product line’s outstanding magnetic properties. 1-1 Hardware In high frequency applications, core losses of powdered iron, for instance, can be a major factor in contributing to undesirable temperature rises. Hence, Kool Mµ cores are ideal because their losses are significantly less, resulting in lower temperature rises. It is possible that Kool Mµ cores will offer a reduction in core size over powdered iron cores in a similar application. Kool Mµ E Cores have a distributed air gap which makes them ideally suited for switching regulator inductors, flyback transformers, and power factor correction (PFC) inductors. The 10,500 gauss saturation level of Kool Mµ provides a higher energy storage capability than can be obtained with gapped ferrite E cores, resulting in smaller core size. Kool Mµ E cores are competitively priced against gapped ferrite E cores and their distributed air gap eliminates gap loss problems associated with ferrites. Kool Mµ E cores have significantly lower losses and substantially better thermal properties when compared to powdered iron E cores. Applications MAGNETICS powder cores are primarily used in power inductor applications, specifically in switch-mode power supply (SMPS) output filters, also known as DC Inductors. Other power applications include differential inductors, boost inductors, buck inductors, and flyback transformers. since it has the lowest core loss. For the smallest core size in a dc bias dominated design, High Flux material should be used since it has the highest flux capacity. For reasonably low losses and reasonably high saturation at a low cost, Kool Mµ® should be used since it has the lowest material costs. While all three materials are used in these applications, each has it’s own advantage. For the lowest loss inductor, MPP material should be used Other specialty applications, such as High Q low level filters, load coils, and temperature stabilized inductors, MPP material is used. MPP High Flux Kool Mµ Core Loss Lowest Moderate Low Perm vs. DC Bias Better Best Good Flux Density (Gauss) 7,500 15,000 10,500 Nickel Content 80% 50% 0% Relative Cost High Medium Low 1-2 www.mag-inc.com MAGNETICS powder cores are marked with a part number which identifies its properties and core finish. The cores are also stamped with a date code, ensuring traceability of core history and performance characteristics. Cores smaller than 0.250” OD are not stamped. Cores with an OD between .250” and .310” are stamped with the catalog number (three digits). General Information Core Identification TOROIDS 55 206- A2 Core finish: A7 = Coating A2 = Coating A5 = Coating A9 = Coating AY = Parylene-C D4 = Coating L6 = Coating M4 = Coating W4 = Coating @ 500 @ 500 @ 1000 @ 4000 @ 300 @ 500 @ 500 @ 500 @ 500 vbd for Kool Mµ vbd for MPP and High Flux vbd for MPP and High Flux vbd for MPP and High Flux vbd for MPP, High Flux and Kool Mµ vbd, Temperature Stabilized for MPP vbd, Linear Stabilized for MPP vbd, Temperature Stabilized for MPP vbd, Temperature Stabilized for MPP Catalog number ( designates size and permeability ) Material Code 55 = MPP 58 = High Flux 77 = Kool Mµ E CORES K- 5528-E060 Permeability Code . . . . . .First digit is always E . . . . . . . . . . . . . . . . . . . . .Last three digits equal permeability, e.g. E060 for 60µ ..................... Size Code . . . . . . . . . . . . .First two digits equal approximate length in mm . . . . . . . . . . . . . . . . . . . . .Last two digits equal approximate height in mm Material Code . . . . . . . . . .K = Kool Mµ THINZ M-0301-T125 Permeability Code . . . . . .First digit is always T . . . . . . . . . . . . . . . . . . . . .Last three digits equal permeability, e.g. T125 for 125µ Hardware Size Code . . . . . . . . . . . . .First two digits equal approximate outside diameter in mm . . . . . . . . . . . . . . . . . . . . .Last two digits equal approximate inside diameter in mm Material Code . . . . . . . . . .M = MPP www.mag-inc.com 1-3 Core Inductance Tolerance/Grading MAGNETICS powder cores cores are precision manufactured to an inductance tolerance of ±8%*, using standards obtained from Kelsall Permeameter Cup measurements and a precision series inductance bridge. Except where noted on specific part numbers, MPP and High Flux Cores are graded into 2% inductance bands as a standard practice at no additional charge. Grading into 1% bands is available on certain sizes by special request. Core grading minimizes winding adjustments, and thus reduces coil costs. When 1% bands are required, the wound cores must be processed for inductance stability (see Page 1-8). Graded MAGNETICS MPP and High Flux cores are also available with tolerances less than the standard ±8%. Please contact the plant for special pricing. GRADE Stamped on Core OD INDUCTANCE % Deviation from Nominal TURNS % Deviation from Nominal From To From To +8 +8 +7 -4.0 -3.5 +6 +7 +5 -3.5 -2.5 +4 +5 +3 -3.5 -1.5 +2 +3 +1 -0.5 +0.5 +0 +1 -1 -0.5 +0.5 -2 -1 -3 +0.5 +1.5 -4 -3 -5 +1.5 +2.5 -6 -5 -7 +2.5 +3.5 -8 -7 -8 +3.5 +4.0 * Kool Mµ cores with outside diameters less than 12mm have wider tolerances. Core Finish MAGNETICS powder cores are coated with a special finish that provides a tough, wax tight, moisture and chemical resistant barrier having excellent dielectric properties. Each material has a unique color coating: MPP – Gray High Flux – Khaki Kool Mµ – Black The finish is tested for voltage breakdown by inserting the core between two weighted wire mesh pads. Force is adjusted to produce a uniform pressure of 10 psi, simulating winding pressure. The test condition to guarantee the minimum breakdown voltage (500 volts rms from wire to core) is a 60 Hz voltage equal to 2.5 times the minimum (or 1250 volts rms wire to wire). Higher minimum voltage breakdown finishes can be provided upon request. 1-4 Cores as large as 0.650” OD can be coated with parylene to minimize the constriction of the inside diameter dimensions. The parylene coating has a minimum breakdown voltage guarantee of 300 volts rms from wire to core (tested at 750 volts rms wire to wire at 60 Hz). All finished dimensions in this catalog are for the color coating. When choosing a parylene coated core, the maximum OD and HT are reduced by 0.18 mm (0.007”), and the minimum ID may be increased by 0.18 mm (0.007”). The maximum steady-state operating temperature for the coating is 200°C. The maximum steady-state operating temperature for the parylene coating is 130°C, but can be used as high as 200°C for short periods, such as during infrared solder reflow. High temperature operation of the cores does not affect the magnetic properties. www.mag-inc.com MAGNETICS inductance standards are measured in a Kelsall Permeameter Cup. Actual wound inductance measured outside a Kelsall Cup is greater than the calculated value due to leakage flux and flux developed by the current in the winding. The difference depends on many variables — core size, permeability, core finish thickness, wire size, and number of turns, in addition to the way in which the windings are put on the core. This difference is negligible for permeabilities above 125 and turns greater than 500. However, the lower the permeability and/or number of turns, the more pronounced this deviation becomes. The following table is presented as a guide to the differences that may be experienced with various numbers of turns on a 1-inch O.D. 125µ core: Number of Turns Actual Inductance 1000 +0.0% 500 +0.5% 300 +1.0% 100 +3.0% 50 +5.0% 25 +8.5% General Information Inductance versus Turns The following formula can be used to approximate the leakage flux to add to the expected inductance. This formula was developed from historical data of cores tested at MAGNETICS. Be aware that this will only give an approximation based on evenly spaced windings. You may expect as much as a ±50% deviation from this result. 292 N1.065Ae LLK = le X 105 where : LLK N Ae le = = = = leakage inductance (mH) number of turns core cross-section (cm2) core magnetic path length (cm) AL and Inductance Considerations The inductance of a wound core can be calculated from the core geometry by using the following equation: .4 πµN2Ae L= le X 108 where : L µ N Ae le = = = = = inductance (Henries) core permeability number of turns core cross section (cm2) core magnetic path length (cm) The inductance for a given number of turns is related to the nominal inductance (as listed in the catalog as mH/1000 turns) by the following: Hardware L1000N2 Ln = 6 10 where : Ln = inductance for N turns (mH) L1000 = nominal inductance (mH/1000 turns) www.mag-inc.com 1-5 Temperature & Linear Stabilization (Only applies to MPP cores) MAGNETICS MPP cores are provided in three basic temperature stabilizations; Standard, Controlled, and Linear. Typical and guaranteed inductance limits for these temperature stabilizations are illustrated on the following pages. Standard cores are offered with three different finishes (2, 5, or 9). Controlled and Linear cores are offered with a 4 and 6 finish, respectively. See page 1-7 for further finish information. The inductance of MPP cores is affected by temperature changes, which cause variations in the amount of distributed air gap (insulating material). The expansion characteristics of powdered metal, insulating material, and core finish all contribute to the inductance change arising from temperature changes. The temperature coefficient of inductance can be controlled by the addition of a small percentage of special compensating alloys, which have curie points within the temperature range being controlled. When each curie point is exceeded, these particles become non-magnetic and act as additional air gaps; thus the change in inductance is minimized over a predetermined temperature range. MPP cores can thus be utilized in precision circuits requiring extremely high inductance stability over wide temperature ranges. MAGNETICS standard cores (-A Stabilization) offer the expected temperature performance shown on page 1-7. If guaranteed temperature performance is necessary, Controlled or Linear cores are recommended. MAGNETICS 550µ cores are available only as standard cores. MAGNETICS MPP cores are offered in three controlled stabilizations, D, W, and M to provide high levels of inductance stability over temperature per the chart listed below. Stabilization is effective only to initial permeability or when cores are driven at low induction (<100 gauss). MPP cores are also offered with linear temperature characteristics, type L6. Linear cores provide a temperature coefficient, from -55°C to +85°C, which can be matched with a 100ppm polystyrene capacitor to yield extremely stable tuned circuits. Temperature coefficient values are referenced to 25°C. The temperature stability of MPP cores can be affected by external factors such as moisture, winding stresses and potting compounds. These effects can be minimized by using suitable stability procedures during the coil fabrication process. Please see inductance stability considerations on page 1-8. INDUCTANCE STABILITY LIMITS Below 100 Gauss INDUCTANCE STABILITY TEMPERATURE RANGE M* +- 0.25% -65˚C to +125˚C W +- 0.25% -55˚C to +85˚C D +- 0.10% 0˚C to +55˚C STABILIZATION CODE * M cores meet the W core limits and may be substituted in place of W. 1-6 www.mag-inc.com (Only applies to MPP cores) Part No. Suffix Stabilization Type Inductance Stability Limits Stabilized Temperature Range Guaranteed Minimum Breakdown* -A2 Standard See Page 3-12 - 500 volts** -AY Standard See Page 3-12 - 300 volts -A5 Standard See Page 3-12 - 1000 volts -A9 Standard See Page 3-12 - 4000 volts*** -D4 Controlled +0.1% 0°C to +55°C +32°F to 130°F 500 volts -W4 Controlled +.25% -55°C to +85°C -67°F to +185°F 500 volts -M4 Controlled +.25% -65°C to +125°C -85°F to +257°F 500 volts -L6 Linear See Below -55°C to +85°C -67°F to 185°F 500 volts *From wire to bare core **except on cores smaller than .200” OD General Information Temperature and Linear Stabilization ***Add .015” to OD, HT and subtract .015” from ID to finished core dimensions chart shown on core data pages. 1.015 1.010 3 1.005 1.000 0.995 0 , 18 00µ 0µ o 20 60 t Minimum Limit for 60 to 300µ, 25 um Maxim 0.990 imum Max r 60 Limit fo Limit f or 3 µ 60 to 300 0 PPM/ C 0 C M/ PP 0 / PPM , 65 C 0 M/ C , 150 PP 0 PM/ C µ , 90 P to 200 0 , 11 00µ 0 /C PPM Hardware Per Unit of Initial Permeability MPP Linear Cores Guaranteed Limits 0.985 -55 -35 -15 5 25 45 65 85 Temperature, °C www.mag-inc.com 1-7 Inductor Stabilization Procedure (Only applies to MPP cores) MAGNETICS MPP cores possess excellent inductance/ time stability. Under typical shelf life conditions the inductance of an unpotted core will shift less than 0.5%. If maximum stability is desired, the following precautions and procedures will remove winding stresses and core moisture and provide inductance stabilities better than 0.05%. 1. Wind cores to the approximate specified inductance (slightly over the desired value). 2. Cool wound cores to -60°C. Maintain at temperature for 20 minutes to help relieve winding stresses caused by high winding tension, large wire, or many turns. 3. Heat cores slowly (<2°C/minute) to 115°C. Maintain at temperature for 20 minutes. 4. Steps 2 and 3 should be repeated twice. 5. Bake at 115°C for 16 hours. 6. Cool to room temperature and adjust turns to obtain specified inductance. 7. Cores must be kept dry until potted or hermetically sealed. 8. If the cores are to be potted, they should be covered first with a cushioning material, such as silicone rubber. This material minimizes the possibility of the potting compound stressing the core and changing the inductance value. 9. Potting compounds should be chosen with care, as even semi-flexible resins can cause core stresses and reduce stability. Selection should be based on minimum shrinkage and minimum moisture absorption. Winding Considerations Winding Factors Wound Coil Dimensions MAGNETICS core winding factors can vary from 20% to 60%, a typical value in many applications being 40%. Wound coil dimensions are listed for unity winding factor, as these are the largest dimensions necessary for packaging the wound coil. These dimensions are attainable, as a 70% winding factor (no residual hole) yields the same overall coil dimensions as a 100% (unity) winding factor (no interstices). Coil dimensions for coils wound to 40% winding factor can be estimated as follows: MAGNETICS has chosen to normalize winding data by basing Rdc, ohm/mh, and winding-turn-length on unity winding factor. This approach provides the coil designer with a means of calculating realistic design parameters for his choice of winding factor. Please note that unity values are theoretical values, not attainable in practice. The highest winding factor possible, even with hand winding, is 65% - 75%, due to the spacing between the turns of wire. Winding Turn Length Winding turn lengths have been computed, using empirical relationships, for five winding factors. This permits an estimate of the actual length/turn for any winding factor. 1-8 OD40% = .5 (ODcore + ODunity) where : ODcore = core OD after finish ODunity = wound coil OD Hgt40%= .45 (Hgtcore + Hgtunity) where : Hgtcore = core OD after finish Hgtunity = wound coil OD www.mag-inc.com Nominal DC Resistance, in ohms/millihenry (listed on core size pages), is useful in calculating DC winding resistance (Rdc) for any value of inductance. The value of nominal DC Resistance is essentially independent of wire size and the number of turns of wire. The value of Nominal DC Resistance for any given winding factor can be computed as follows: Ωmhu X Kwf Ω/mhwf = wf Ku where : Ω/mhwf Ω/mhu wf Kwf Ku = = = = = General Information Nominal DC Resistance Ω/mh for chosen winding factor unity value, listed for each core size chosen winding factor length/turn for chosen wf* length/turn for unity (100%) wf* *see “Winding Turn Length” on core size pages The value of Rdc for any given winding factor can be computed as follows: Rdcwf dcwf = Rdcu dcu X wf X Kwf Ku where : Rdcwf Rdcu wf Kwf Ku = = = = = Rdc for chosen winding factor unity value, listed for each size (ohms) chosen winding factor length/turn for chosen wf* length/turn for unity (100%) wf* Sample Calculation Using a 55930 core, we can calculate the value of Rdc for 50 mh and 40% winding factors as follows, using parameter values listed on page 4-19: Ω/mh40% = Ω/mhu K .0524 .1344 X 40% = X = .103Ω/mh wf Ku .40 .1714 The value of ohms/mh yields a value of Rdc at 50 mh, of 5.1 ohms (50mh x .103) The value Rdc for the 55930 core can also be obtained by noting the unity values for No. 28 wire (i.e. 1400 turns and 15.67 ohms) can be converted to 40% winding factor values as follows: N40% = Nunity X wf = 560 turns www.mag-inc.com Hardware = 1400 X .40 K40% Rdc40% = Rdcu X wf X Ku .1344 = 15.67 X .40 X .1714 = 4.9 ohms 1-9 Core Selector Charts The core selector charts will quickly yield optimum permeability and smallest core size for dc bias applications. These charts are based on a permeability reduction of not more than 50% with dc bias, typical winding factors of 25% to 40%, and an ac current, which is small relative to the dc current. These charts are based on the minimum inductance tolerance of the chosen core size and permeability. If a core is being chosen for use with a large ac current relative to any dc current, such as a flyback inductor or buck/boost inductor, select a core that is one or two sizes larger than indicated by the selector charts. This will assist in reducing the operating flux density of the ac current that generates core loss. For additional power handling capability, LI2, multiple stacking of cores will yield an equivalent multiple power handling for a given core size. For example, double stacking of the 55908-A2 core will result in a doubling of its power handling capability to about 1000 mH-amperes2. Core Selection Procedure Only two parameters of the design application must be known: inductance required with dc bias and the dc current. Use the following procedure to determine the core size and number of turns. 1. Compute the product of LI2 where: L = inductance required with dc bias (millihenrys) I = dc current (amperes) 2. Locate the LI2 value on the Core Selector Chart (page 2-3 & 2-4). Follow this coordinate to the intersection with the first core size that lies above the diagonal permeability line. (Small core sizes are at the bottom; large core sizes are at the top.) This is the smallest core size that can be used. 3. The permeability line is sectioned into standard available core permeabilities. Selecting the permeaability indicated will yield the smallest core that can be used. Lower or higher permeabilities can be used, but the resulting core size will be larger. 4. Inductance, core size, and permeability are now known. Calculate the number of turns by using the following procedure: (a) The nominal inductance (AL in mH / 1000 turns) for the core is obtained from the core data sheet. Determine the minimum nominal inductance by using the worst case negative tolerance 2-1 (-8%, -12%, or -15%, depending on the core size). With this information, calculate the number of turns needed to obtain the required inductance (see AL and Inductance Considerations, page 1-5). (b) Calculate the bias in oersteds from: H = 0.4π NI/le (c) From the Permeability vs. DC Bias curves (page 3-15, 3-16, 4-33, & 4-35), determine the rolloff in per unit of initial permeability (µpu) for the previously calculated bias level. (d) Increase the number of turns by dividing the initial number of turns (from step 4a) by the per unit value of initial permeability. This will yield an inductance close to the required value. A final adjustment of turns may be necessary if a specific inductance is required. 5. Choose the correct wire size using the Wire Table (page 3-21). Duty cycles below 100% allow smaller wire sizes and lower winding factors, but do not allow smaller core sizes. 6. The core chosen will have an inductance equal to or greater than that required when biased with the specified dc current. The resulting winding factor will be between 25% and 45%. www.mag-inc.com Core Selection Example and Analysis An analysis of the preceding result yields the following: 1. Calculate the dc bias level in oersteds: H = 0.4πNI/le = 104.9 oersteds 1. The product of LI2 = 1.0 X 3.02 = 9.00 2. The permeability versus DC Bias curve shows a 48% initial permeability at 104.9 oersteds for 60µ material. 2. This coordinate passes through the 60µ section of the permeability line and, proceeding upwards, intersects the horizontal 55586 core line. The part number for a 60µ core of this size is 55586-A2. 3. The 55586 core data sheet shows the nominal inductance of this core to be 38 mH / 1000 turns, ±8%. Therefore, the minimum inductance of this core is 34.96 mH / 1000 turns. 4. The number of turns needed to obtain 1.0 mH is 169.1 turns. The magnetizing force (dc bias) is 71.2 oersteds, yielding 68% of initial permeability. The adjusted turns are 249. 3. Multiply the minimum AL 34.96 mH by 0.48 yields 16.78 mH.4. 4. The inductance of this core with 249 turns and with 104.9 oersteds of dc bias will be 1.04 mH. The minimum inductance requirement of 1.0 mH has been achieved with the dc bias. Core Selection Choose a core with the following requirements: (a) minimum inductance with dc bias of 1.0 mH (b) dc current of 3.0 amperes 5. 249 turns of #20 wire (0.00634 cm2) equals 1.579 cm2, which is 39% winding factor on this core (total window area of 4.01 cm2). 5. The wire table indicates that #20 wire is needed for 3.0 amperes. Therefore, a 55586-A2 core with 249 turns of #20 wire will meet the requirements. Temperature Rise Calculations [ The heat dissipated depends on the total exposed surface of the wound unit. Temperature rise cannot be predicted precisely, but can be approximated by the following formula: Total Power Loss (milliwatts) Temperature Rise (°C) = Surface Area (cm2) [ Temperature rise in a wound core depends on (1) wire resistance and current through the coil (Pcu, copper losses), and (2) core excitation (Pfe, core losses). Total power loss, defined as Pfe + Pcu (milliwatts), is in the form of heat and is dissipated from exposed surfaces of a wound core. .833 www.mag-inc.com Hardware In this catalog, surface area is presented in two ways: 1. Unwound core (after insulation is added) 2. Wound core, assuming 40% winding factor 2-2 Cores Listed by Geometry Factor MPP Core Selector Chart 55908 26µ 55868 55440 55091 55083 55191 55111 55716 60µ 55071 55586 55076 55894 125µ 55310 55350 160µ 55378 55204 55118 200µ 300µ 55045 55035 55275 55265 55125 55285 55405 55025 55235 55015 55175 55145 55135 0.0001 0.001 0.01 0.1 1 2 10 100 1000 2 LI , mH-amperes High Flux Core Selector Chart Cores Listed by Geometry Factor 58908 26µ 58192 58110 58716 60µ 58324 58439 58090 58083 58548 58930 58585 125µ 58350 58310 147µ 58205 58379 58119 160µ 58048 58128 58288 58038 58408 58028 58278 58268 58018 58238 0.001 0.01 0.1 1 2 10 LI , mH-amperes 2-3 58868 100 2 www.mag-inc.com 1000 77908 77868 77439 77090 77083 26µ 60µ 75µ 77071 77590 77191 77110 77716 77076 77935 90µ Core Selection Cores Listed by Geometry Factor Kool Mµ® Core Selector Chart 77354 77314 77206 77120 77380 125µ 77050 77040 77280 77270 77130 77290 77410 77030 77240 77020 77180 77150 77140 0.0001 0.001 0.01 0.1 1 2 10 100 2 LI , mH-amperes 26 u 40 u 1 K5530 K5528 K4022 K4020 K4317 60 u K3515 0 K2510 Hardware 90 u Cores Listed by Geometry Factor Kool Mµ® E Core Selector Chart 0 0.1 K1808 1 10 2 100 2 LI , mH-amperes www.mag-inc.com 2-4 Material Properties PERMEABILITY VS. T, B, & F – TYPICAL Permeability (µ) µ vs. T dynamic range (-50˚ C to +100˚C) Painted cores usuable to 200˚C µ vs. B dynamic range 50 to 4000gauss (peak at 1000 gauss) µ vs. F. flat to... 14µ 0.6% +0.4% 9 MHz 26µ 0.6% +0.4% 5 MHz 60µ 0.6% +0.8% 2.7 MHz 125µ 0.6% +1.4% 1 MHz 147µ 0.6% +1.9% 700 kHz 160µ 0.6% +1.9% 700 kHz 173µ 0.6% +1.9% 700 kHz 200µ 0.6% +2.5% 500 kHz 300µ 0.6% +4.0% 150 kHz 550µ 7.0% +20.0% 90 kHz 14µ 0.8% +5.0% 8 MHz 26µ 1.0% +9.0% 2.5 MHz 60µ 1.4% +13.5% 1.2 MHz 125µ 1.8% +19.0% 600 kHz 147µ 2.5% +22.5% 400 kHz 160µ 2.8% +25.5% 350 kHz 26µ 4.0% +1.0% 20 MHz 60µ 8.0% +1.5% 8 MHz 75µ 10.0% +2.0% 3 MHz 90µ 12.0% +3.0% 2 MHz 125µ 15.0% +3.5% 1 MHz MPP Cores High Flux Cores Kool Mµ Cores Material porperties above only apply to toroids, not THINZ or E cores. 3-1 Curie Temperature Density Temperature Coefficient of Thermal Expansion Thermal Conductivity MPP Cores High Flux Cores Kool Mµ Cores 460˚C 500˚C 500˚C 8.7 grams/cm3 8.2 grams/cm3 7.0 grams/cm3 12.9 x 10-6/˚C 5.8 x 10-6/˚C 10.8 x 10-6/˚C 0.8 Watts/(cm x 0K) 0.8 Watts/(cm x 0K) 0.8 Watts/(cm x 0K) www.mag-inc.com Conversion Tables Multiply Multiply number of by to obtain number of oersteds gauss in2 circular mils watts / lb. watts / lb. watts / lb. .795 .0001 6.425 5.07 x 10-6 19.17 18.07 15.42 amp-turns / cm tesla cm2 cm2 mWatts / cm3 mWatts / cm3 mWatts / cm3 MPP, High Flux, Kool Mµ MPP, High Flux, Kool Mµ MPP, High Flux, Kool Mµ MPP, High Flux, Kool Mµ MPP High Flux Kool Mu Core weights listed in this catalog are for 125µ cores. To determine weights for other permeabilities, multiply the 125µ weight by the following factors: 14µ 26µ 60µ 75µ 90µ 125µ x Factor 0.80 0.86 0.94 0.96 0.97 1.00 1.02 www.mag-inc.com 200µ 300µ 550µ 1.03 1.04 3-2 Technical Data Permeability 147µ 160µ 173µ Normal Magnetization Curves, MPP 7 5µ 12 µ 60 26 µ 3 14 7µ 4 17 3µ 30 0 µ 5 16 0µ 55 0µ 6 20 0µ Flux Density (Kilogauss) 8 2 µ 14 1 0 1 10 100 1000 Magnetizing Force (Oersteds) 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0µ 16 7µ 14 5µ 12 60 µ Flux Density (Kilogauss) Normal Magnetization Curves, High Flux µ 26 µ 14 1 10 100 Magnetizing Force (Oersteds) 3-3 www.mag-inc.com 1000 Normal Magnetization Curves, Kool Mµ® 10 5µ 12 µ 90 9 8 60 75 µ µ Flux Density (kilogauss) 11 7 6 5 4 µ 26 3 2 1 0 10 1 100 1000 Technical Data Magnetizing Force (oersteds) Normal Magnetization Curve Fit Formula (refer to curves for units) a [ a + bH + cH2 B = a + dH + eH2 where: ] x -23.740 0.2112 0.2576 0.0642 0.0653 0.0447 0.0545 0.1001 0.0940 0.0730 b c d e x 1.654E1 2.780E-2 5.900E-2 -4.990E-2 -5.810E-2 -4.440E-2 -6.140E-2 -1.154E-1 -1.228E-1 -1.201E-1 9.249E-1 -2.274E-5 1.208E-4 2.060E-2 2.860E-2 3.300E-2 4.120E-2 5.780E-2 1.260E-1 4.105E-1 6.189E1 8.849E-3 1.970E-2 7.879E-3 1.260E-2 7.975E-3 5.471E-3 4.820E-3 1.910E-2 5.070E-2 3.158E-1 -7.810E-6 4.780E-5 3.398E-4 4.533E-4 5.170E-4 6.450E-4 9.043E-4 1.946E-3 6.290E-3 2 2 2 0.5 0.5 0.5 0.5 0.5 0.5 0.5 MPP 14µ 26µ 60µ 125µ 147µ 160µ 173µ 200µ 300µ 550µ High Flux 14µ 26µ 60µ 125µ 147µ 160µ -1.880E-1 -1.286E-1 -5.360E-1 5.320E-2 7.740E-2 2.670E-2 2.190E-2 4.120E-2 3.058E-1 -5.420E-2 -7.760E-2 -4.230E-2 7.255E-4 7.493E-4 2.430E-2 2.220E-2 2.700E-2 2.980E-2 4.210E-2 4.230E-2 5.521E-4 8.372E-3 1.565E-3 1.763E-3 2.200E-4 2.161E-4 6.434E-3 1.073E-4 1.403E-4 1.556E-4 2 2 2 0.5 0.5 0.5 Kool Mµ 26µ 60µ 75µ 90µ 125µ 5.868E-3 1.658E-2 1.433E-2 5.660E-2 7.808E-3 7.450E-3 1.831E-3 7.738E-3 -9.675E-3 4.049E-2 5.706E-4 4.621E-3 8.376E-3 1.250E-2 1.643E-2 -2.930E-4 4.700E-3 5.773E-3 5.792E-3 3.121E-3 5.539E-6 3.833E-5 7.159E-5 1.075E-4 1.447E-4 0.5 0.5 0.5 0.5 0.5 www.mag-inc.com 3-4 Core Loss Density Curves, MPP 14µ µ y Typical Core Loss (mw/cm) 10000 1000 30 100 10 Hz 0k 0k 50 10 Hz z kH z kH z kH 10 z H 5k z H 2k 20 1 0.1 PL=2.341B 2.21 1.31 F 0.01 0.01 0.1 1 Flux Density (kilogauss) Core Loss Density Curves, High Flux 14µ Typical Core Loss (mw/cm) 1000 0k 10 100 Hz 5 Hz 0k k 10 z kH 20 Hz Hz 5k Hz 2k Hz 1k 10 0 10 1 Hz 60 Hz 2.52 1.26 PL=6.370 B 0.1 0.1 1 10 Flux Density (kilogauss) 3-5 F www.mag-inc.com Core Loss Density Curves, MPP 26µ Typical Core Loss (mw/cm3) 10000 1000 30 100 10 10 Hz 0k 0k 50 Hz z kH z kH z kH 10 Hz k 5 20 1 0.1 PL=0.999B2.18F1.41 0.01 1 0.1 Technical Data 0.01 Flux Density (kilogauss) Core Loss Density Curves, High Flux 26µ Typical Core Loss (mw/cm3) 1000 0 10 100 kH z 50 z kH z kH 0 kH 1 20 z Hz 5k z Hz 2 k 1 kH 10 0 10 1 Hz 60 Hz 2.55 1.25 PL=5.437 B 0.1 0.1 1 F 10 Flux Density (kilogauss) www.mag-inc.com 3-6 Core Loss Density Curves, MPP 60µ Typical Core Loss (mw/cm) 10000 1000 100 30 0k 10 10 0k 50 20 1 Hz Hz z kH z kH z kH z H 5k 10 0.1 2.24 1.41 PL=0.625B F 0.01 0.01 0.1 1 Flux Density (kilogauss) Typical Core Loss (mw/cm3) Core Loss Density Curves, High Flux 60µ 0k 10 1000 Hz z kH 20 kHz 0 1 100 2k 10 Hz k 50 5k 1k z 0H 10 1 Hz Hz Hz H 60 z PL=4.578 B 0.1 0.1 1 Flux Density (kilogauss) 3-7 www.mag-inc.com 2.56 1.23 F 10 Core Loss Density Curves, MPP 125µ Typical Core Loss (mw/cm) 10000 1000 100 k 300 10 Hz z kH 100 Hz k 0 5 z kH 25 1 z kH 10 Hz k 5 0.1 Hz 2k Hz 1k z H 0 0 5 0.01 PL=1.199B2.31F1.40 0.001 0.1 1 Technical Data Flux Density (kilogauss) Typical Core Loss (mw/cm) Core Loss Density Curves, High Flux 125µ 1000 0 10 100 z kH 5 Hz 0k 20 z kH z H Hz 5k k 10 Hz kHz 2k 1 10 0H 10 1 z 60 Hz PL=2.687 B 0.1 0.1 1 1 2.59 1.33 F 10 Flux Density (kilogauss) www.mag-inc.com 3-8 Core Loss Density Curves, MPP 147µ /160µ/173µ Typical Core Loss (mw/cm) 10000 1000 100 300 kH z z kH 100 z kH 50 z H k 25 10 1 10 kH z Hz 5k Hz 2k Hz k 1 Hz 500 0.1 0.01 PL=0.771B2.25F1.50 0.001 1 0.1 Flux Density (kilogauss) Core Loss Density Curves, High Flux 147µ/160µ Typical Core Loss (mw/cm) 1000 0 10 100 kH z 50 kH z 20 z z k H 10 k H 2k 10 Hz 10 1 5k 1k 0H z Hz Hz 60 Hz PL=3.613 B 0.1 0.1 F 10 1 Flux Density (kilogauss) 3-9 2.56 1.41 www.mag-inc.com Core Loss Density Curves, MPP 200µ/ 300µ y µ µ Typical Core Loss (mw/cm³) 10000 1000 3 00 100 kH z z kH 1 00 z H k 50 z kH 25 10 1 10 5 0.1 kH z z kH Hz 2k z H 1k Hz 0 50 0.01 PL=1.000B 2.27 1.64 F 0.001 1 Technical Data 0.1 Flux Density (kilogauss) Core Loss Density Curves, MPP 550µ y Typical Core Loss (mw/cm³) 10000 1000 3 00 100 kH 10 0 10 50 1 10 25 kH z z z kH Hz Hz 2k Hz k 1 Hz 50 0 0.01 z z kH 5k 0.1 kH PL=3.070B2.36F1.59 0.001 0.1 1 Flux Density (kilogauss) www.mag-inc.com 3-10 Core Loss Density Curves, Kool Mµ® Typical Loss Density (mw/cm3) 10000 0k 10 1000 100 0k 50 Hz Hz k 50 Hz k 25 Hz Hz Hz 0k 0k 0 0 2 3 PL=B2.00F1.46 10 0.1 1 10 Flux Density (kilogauss) Unlike MPP and High Flux, the typical loss density of Kool Mµ does not vary significantly with permeability; therefore, only one material curve is shown. 3-11 www.mag-inc.com 1.04 0µ 30 1.03 20 0 1.02 µ 3µ - 17 160 125µ 147 1.01 60µ 26µ 14µ 1.00 14µ 300µ 0.99 -60 -40 -20 0 20 40 60 80 100 120 140 160 180 200 Temperature, °C AY coating maximum steady-state operating temperature is 130° C. Per Unit of Initial Permeability (typical) Permeability versus Temperature Curves, MPP (A2, AY, A5, A9) 1.15 1.10 0µ 55 1.05 1.00 0.95 -60 -40 -20 0 20 40 60 80 100 120 140 160 180 200 Temperature, °C AY coating maximum steady-state operating temperature is 130° C. www.mag-inc.com 3-12 Technical Data Per Unit of Initial Permeability (typical) Permeability versus Temperature Curves, MPP (A2, AY, A5, A9) Per Unit of Initial Permeability (typical) Permeability versus Temperature Curves, High Flux 1.04 µ µ 160 147 1.03 µ 125 1.02 60µ 26µ 14µ 1.01 1.00 0.99 0.98 0.97 14µ 26µ 60µ 125µ µ 147 µ 160 0.96 -55 -35 -15 5 25 45 65 85 105 125 Temperature, °C Permeability versus Temperature Curve Fit Formula (refer to curves for units) %∆µ = a + bT + cT2 where: 3-13 High Flux a b c 14µ: 0.9975 9.667E-5 5.556E-8 26µ: 0.9967 1.293E-4 3.802E-8 60µ: 0.9956 1.739E-4 4.094E-8 125µ: 0.9940 2.402E-4 3.216E-8 147µ: 0.9921 3.140E-4 7.310E-8 160µ: 0.9908 3.674E-4 1.754E-8 www.mag-inc.com 1.02 1.00 0.98 0.96 0.92 0.90 0.88 60 75µ 90µ 125 µ µ 60µ µ 75 90µ 12 5µ 0.94 26µ 26µ 0.86 0.84 -55 -35 -15 5 25 45 65 85 105 125 Technical Data Per Unit of Initial Permeability (typical) Permeability versus Temperature Curves, Kool Mµ Temperature, °C Permeability versus Temperature Curve Fit Formula (refer to curves for units) %∆µ = a + bT + cT2 + dT3 + eT4 Kool where: Mµ a b c d e 26µ: -0.3676 3.398E-2 -2.976E-4 -1.803E-6 1.079E-8 60µ: -1.450 7.691E-2 -6.177E-4 -4.263E-6 3.108E-8 75µ: -1.578 8.729E-2 -8.392E-4 -4.235E-6 3.749E-8 90µ: -1.854 1.033E-1 -1.063E-3 -4.720E-6 4.539E-8 125µ: -2.710 1.408E-1 -1.455E-3 -8.167E-6 7.764E-8 www.mag-inc.com 3-14 Permeability versus DC Bias Curves, MPP 14µ 0.9 26 µ 5µ 12 0.8 147µ 160µ 173µ 0.7 0.6 0µ 20 60µ 0.5 0.4 0µ 30 Per Unit of Initial Permeability 1.0 0.3 0.2 0.1 550 µ 0.0 1 100 10 1000 DC Magnetizing Force (Oersteds) This curve only applies to MPP toroids. The MPP THINZTM DC Bias curve can be found on page (4-35). Permeability versus DC Bias Curves, High Flux 14µ 125 µ 0.9 16 0 0.8 µ 14 7µ 26 µ 0.7 µ 60 Per Unit of Initial Permeability 1.0 0.6 0.5 0.4 0.3 0.2 0.1 0.0 1 10 100 DC Magnetizing Force (Oersteds) 3-15 www.mag-inc.com 1000 Permeability versus DC Bias Curves, Kool Mµ® Per Unit of Initial Permeability 1.0 26µ 0.9 60 µ 0.8 12 5µ 90µ 0.7 75 µ 0.6 0.5 0.4 0.3 0.2 0.1 0.0 1 10 100 1000 Technical Data DC Magnetizing Force (oersteds) This curve only applies to Kool Mµ toroids. The Kool Mµ E core DC Bias curve can be found on page (4-33). Permeability versus DC Bias Curve Fit Formula (refer to curves for units) MPP High Flux Kool Mµ www.mag-inc.com 3-16 Per Unit of Initial Permeability Permeability versus AC Flux Curves, MPP 1.22 1.20 550µ 1.18 1.16 1.14 1.12 1.10 1.08 1.06 300µ 200µ 1.04 1.02 14 7 -1 1.00 14 0.98 10 100 &2 6µ 60 µ 73 µ 12 5µ 1000 AC Flux Density (gauss) 1.26 1.24 1.22 1.20 1.18 1.16 1.14 1.12 1.10 1.08 1.06 1.04 1.02 1.00 0.98 16 0µ Per Unit of Initial Permeability Permeability versus AC Flux Curves, High Flux 7µ 14 5µ 12 60 µ 26µ 14µ 10 100 1000 AC Flux Density (gauss) 3-17 www.mag-inc.com 10000 Per Unit of Initial Permeability Permeability versus AC Flux Curves, Kool Mµ® 1.04 1.03 5µ 12 µ 90 1.02 µ 75 60µ 1.01 26µ 1.00 0.99 100 1000 Technical Data 10 AC Flux Density (gauss) Permeability versus AC Flux Curve Fit Formula (refer to curves for units) a b c d MPP 14µ: 26µ: 60µ: 125µ: 147µ: 160µ: 173µ: 200µ: 300µ: 550µ: 0.9995 0.9995 0.9990 0.9990 0.9980 0.9980 0.9980 0.9990 0.9980 0.9910 1.186E-5 1.186E-5 1.708E-5 2.960e-5 4.393E-5 4.393E-5 4.393E-5 5.145E-5 9.038E-5 4.042E-4 -5.096E-9 -5.096E-9 -6.675E-9 -1.561E-8 -2.591E-8 -2.591E-8 -2.591E-8 -2.688E-8 -5.112E-8 -2.240E-7 -2.727E-12 -2.727E-12 -1.792E-12 8.254E-13 3.446E-12 3.446E-12 3.446E-12 3.308E-12 7.055E-12 3.123E-11 High Flux 14µ: 26µ: 60µ: 125µ: 147µ: 160µ: 0.999 0.998 1.000 1.000 1.000 0.998 5.458E-5 1.020E-4 1.476E-4 1.934E-4 2.350E-4 2.910E-4 -1.930E-8 -3.696E-8 -5.695E-8 -6.792E-8 -8.895E-8 -1.224E-7 2.598E-12 5.099E-12 9.395E-12 1.014E-11 1.465E-11 2.263E-11 -1.228E-16 -2.529E-16 -6.182E-16 -6.347E-16 -9.716E-16 -1.590E-15 Kool Mµ 26µ: 60µ: 75µ: 90µ: 125µ: -1.291E-3 -1.850E-3 -2.135E-3 -2.769E-3 -2.421E-3 4.711E-5 7.340E-5 9.533E-5 1.430E-4 1.740E-4 -5.779E-8 -9.824E-8 -1.189E-7 -2.092E-7 -2.662E-7 2.102E-11 4.486E-11 4.847E-11 1.115E-10 1.531E-10 -2.121E-15 -7.157E-15 -6.242E-15 -2.135E-14 -3.170E-14 MPP : µeff = µi = (a + bB + cB2 + dB3 ) where: High Flux and Kool Mµ: µeff = µi (a + bB + cB2 + dB3 + eB4) where: www.mag-inc.com e 3-18 Per Unit of Initial Permeability Permeability versus Frequency Curves, MPP 1.0 0.9 0.8 60 µ 20 0µ 0.7 14 17 0.6 0.5 30 0µ 0.4 55 0.3 14 µ 26 µ 125 µ 7µ 3µ 0µ 0.2 0.1 0.0 0.01 0.1 10 1 Frequency (MHz) 1.0 26µ 0.9 0.8 12 5µ 0.7 0.6 0.5 60 µ 0.4 0.3 0.2 0.1 0.0 0.01 0.1 1 Frequency (MHz) 3-19 14µ µ 7µ 60 1 14 Per Unit of Initial Permeability Permeability versus Frequency Curves, High Flux www.mag-inc.com 10 Per Unit of Initial Permeability Permeability versus Frequency Curves, Kool Mµ® 1.00 60µ 75µ 0.95 26µ 90 µ 12 5µ 0.90 0.85 0.80 0.75 0.01 0.1 1 10 Technical Data Frequency (MHz) Permeability versus Frequency Curve Fit Formula (refer to curves for units) a µeff = µi = where: [ a + bf + cf2 a + df + ef2 ] 2 b c 1.793E2 1.823E2 1.805E2 1.818E2 1.816E2 1.816E2 1.816E2 1.809E2 1.786E2 1.773E2 -9.742E-3 -7.285E-3 -1.010E-2 -6.429E-3 7.382E-5 7.382E-5 7.382E-5 -4.943E-3 4.958E-3 2.649E-3 d MPP 14µ: 26µ: 60µ: 125µ: 147µ: 160µ: 173µ: 200µ: 300µ: 550µ: -3.288 -7.930 -6.583 -3.676 -10.544 -10.544 -10.544 5.551 19.705 31.318 High Flux 14µ: 26µ: 60µ: 125µ: 147µ: 160µ: -3.514 -5.340 -9.438 -22.76 -12.87 -12.87 180.3 183.0 182.6 181.6 180.951 180.951 -0.008689 -0.003220 -4.248E-4 -0.001246 -0.001167 -0.001167 180.0 182.4 181.7 179.5 179.4 179.4 -0.008005 3.455E-4 0.009010 0.01970 0.03110 0.03110 Kool Mµ 26µ: 60µ: 75µ: 90µ: 125µ: 0.03919 4.182 7.559 12.80 19.18 180.6 180.4 177.4 181.2 179.2 0.01116 0.01099 0.01724 0.008411 0.01379 180.5 180.6 177.9 181.9 180.4 0.01159 0.01183 0.01890 0.01048 0.01677 www.mag-inc.com 1.790E2 1.817E2 1.799E2 1.812E2 1.805E2 1.805E2 1.805E2 1.810E2 1.794E2 1.792E2 e -9.218E-3 -5.719E-3 -6.944E-3 2.624E-3 1.510E-2 1.510E-2 1.510E-2 1.400E-2 6.160E-2 9.260E-2 3-20 Wire Table AWG Wire Size Resistance Wire Ω/meter OD (cm) (x.305=Ω/ft) Heavy Build Wire Area Circ. sq. cm Mils (x0.001) Current Capacity, Amps (listed by columns of amps/sq.cm.) 200 800 400 600 8 9 10 .00207 .00259 .00328 .334 .298 .267 18,000 14,350 11,500 91.2 72.7 58.2 16.5 13.1 10.4 33.0 26.2 20.8 49.5 39.3 31.2 66.0 52.4 41.6 11 12 13 .00413 .00522 .00656 .238 .213 .1902 9,160 7,310 5,850 46.4 37.0 29.6 8.23 6.53 5.18 16.4 13.1 10.4 24.6 19.6 15.5 32.8 26.1 20.8 14 15 16 .00827 .01043 .01319 .1714 .1529 .1369 4,680 3,760 3,000 23.7 19.1 15.2 4.11 3.26 2.58 8.22 6.52 5.16 12.3 9.78 7.74 16.4 13.0 10.3 17 18 19 .01657 .0210 .0264 .1224 .1095 .0980 2,420 1,940 1,560 12.2 9.83 7.91 2.05 1.62 1.29 4.10 3.25 2.58 6.15 4.88 3.87 8.20 6.50 5.16 20 21 22 .0332 .0420 .0531 .0879 .0785 .0701 1,250 1,000 810 6.34 5.07 4.11 1.02 .812 .640 2.05 1.63 1.28 3.08 2.44 1.92 4.10 3.25 2.56 23 24 25 .0666 .0843 .1063 .0632 .0566 .0505 650 525 425 3.29 2.66 2.15 .511 .404 .320 1.02 .808 .641 1.53 1.21 .962 2.04 1.62 1.28 26 27 28 .1345 .1686 .214 .0452 .0409 .0366 340 270 220 1.72 1.37 1.11 .253 .202 .159 .506 .403 318 .759 .604 .477 1.01 .806 .636 29 30 31 .266 .341 .430 .0330 .0295 .0267 180 144 117 .912 .730 .593 .128 .100 .0792 .255 .200 .158 .382 .300 .237 .510 .400 .316 32 33 34 .531 .676 .856 .0241 .0216 .01905 96.0 77.4 60.8 .487 .392 .308 .0640 .0504 .0397 .128 .101 .0794 .192 .152 .119 .256 .202 .159 35 36 37 1.086 1.362 1.680 .01702 .01524 .01397 49.0 39.7 32.5 .248 .201 .165 .0314 .0250 .0203 .0627 .0500 .0405 .0940 .0750 .0608 .125 .100 .0810 38 39 40 2.13 2.78 3.51 .01245 .01092 .00965 26.0 20.2 16.0 .132 .102 .081 .0160 .0123 .00961 .0320 .0245 .0192 .0480 .0368 .0288 .0640 .0490 .0384 41 42 43 4.33 5.45 7.02 .00864 .00762 .00686 13.0 10.2 8.40 .066 .052 .043 .00785 .00625 .00484 .0157 .0125 .00968 .0236 .0188 .0145 .0314 .0250 .0194 44 45 46 8.50 10.99 13.81 .00635 .00546 .00498 7.30 5.30 4.40 .037 .027 .022 .00400 .00309 .00248 .00800 .00618 .00496 .0120 .00927 .00744 .0160 .0124 .00992 47 48 49 17.36 22.1 27.6 .00452 .00394 .00353 3.60 2.90 2.25 .018 .015 .011 .00194 .00175 .00150 .00388 .00350 .00300 .00582 .00525 .00450 .00776 .00700 .00600 3-21 www.mag-inc.com 0.140” 0.070” 3.56mm OD 1.78mm ID x 1.52mm HT 0.060” Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 4.19 mm 1.27 mm 2.16 mm Permeability (µ) 0.165 in 0.050 in 0.085 in AL +- 8% MPP 13 16 19 26 31 33 36 42 62 55140-AY 55139-AY 55138-AY 55134-AY 55137-AY 55135-AY 60 75 90 125 147 160 173 200 300 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 0.018 cm2 0.0137 cm2 0.817 cm 0.0112 cm2 0.094 gm 0.069 gm 0.0002 cm4 3,600 c.mils 0.0021 in2 0.317 in 0.00067 in2 0.00019 lb 0.00014 lb 0.000006 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 0.698 cm 0.0229 ft 0.658 cm 0.0216 ft 0.619 cm 0.0203 ft 0.600 cm 0.0197 ft 0.594 cm 0.0195 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) Part Number Kool Mµ AL+- 15% 4.95 mm 2.74 mm 0.195 in 0.108 in High Flux - 77141-AY 77445-AY 77444-AY 77140-AY - AWG Wire Size Turns (u.w.f.) Rdc (Ohms, Ω) (u.w.f.) Single Layer Turns Single Layer Rdc. (Ohms, Ω) 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 20 25 31 37 46 59 73 91 111 138 178 225 277 353 428 493 679 818 947 1241 0.0373 0.0595 0.093 0.137 0.217 0.353 0.553 0.865 1.3 2.05 3.45 5.51 8.37 13.4 21 29.2 52.1 78.9 114.7 191.8 11 13 14 16 18 21 24 28 31 35 40 46 52 59 66 72 84 92 102 117 0.0174 0.0263 0.0357 0.0506 0.0723 0.107 0.155 0.227 0.31 0.442 0.661 0.96 1.34 1.91 2.76 3.64 4.78 7.55 10.5 15.4 Surface Area Unwound Core 40% Winding Factor 4-1 0.482 cm2 0.65 cm2 Kool Mµ 0.075 in2 0.101 in2 www.mag-inc.com 0.155” 0.088” 3.94mm OD 2.24mm ID x 2.54mm HT 0.100” Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 4.57 mm 1.73 mm 3.18 mm Permeability (µ) 0.180 in 0.068 in 0.125 in AL +- 8% MPP 17 21 25 35 41 45 48 56 84 55150-AY 55149-AY 55148-AY 55144-AY 55147-AY 55145-AY 60 75 90 125 147 160 173 200 300 Physical Characteristics 0.0308 cm2 0.0211 cm2 0.942 cm 0.0199 cm3 0.172 gm 0.122 gm 0.0006 cm4 6,080 c.mils 0.00327 in 0.371 in 0.00121 in3 0.00038 lb 0.00027 lb 0.000015 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 1.049 cm 0.0344 ft 0.989 cm 0.0324 ft 0.929 cm 0.0305 ft 0.903 cm 0.0296 ft 0.894 cm 0.0293 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 5.77 mm 4.75 mm 0.227 in 0.187 in High Flux Kool Mµ - 77151-AY 77155-AY 77154-AY 77150-AY - AWG Wire Size Turns (u.w.f.) Rdc (Ohms, Ω) (u.w.f.) Single Layer Turns Single Layer Rdc. (Ohms, Ω) 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 24 30 37 46 56 69 88 109 134 164 205 264 333 410 522 634 730 1005 1221 1480 0.0544 0.0837 0.1324 0.205 0.309 0.488 0.787 1.229 1.916 2.89 4.57 7.69 12.31 18.61 29.8 46.7 65 115.9 175.4 269 13 15 17 20 22 25 29 33 37 41 46 53 61 68 78 87 94 110 121 134 0.0249 0.0357 0.0518 0.0768 0.104 0.151 0.222 0.32 0.45 0.615 0.873 1.32 1.91 2.63 3.79 5.46 7.13 10.8 14.9 20.8 Surface Area Unwound Core 40% Winding Factor 0.76 cm2 1.2 cm2 0.118 in2 0.186 in2 www.mag-inc.com 4-2 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number Kool Mµ AL+- 15% 0.183” 0.093” 4.65mm OD 2.36mm ID x 2.54mm HT 0.100” Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 5.28 mm 1.85 mm 3.18 mm Permeability (µ) 0.208 in 0.073 in 0.125 in AL +- 8% MPP 20 25 30 42 49 53 57 67 99 55181-AY 55180-AY 55179-AY 55178-AY 55174-AY 55177-AY 55175-AY 60 75 90 125 147 160 173 200 300 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 0.029 cm2 0.0285 cm2 1.062 cm 0.0303 cm3 0.25 gm 0.18 gm 0.0008 cm4 5,780 c.mils 0.00442 in2 0.418 in 0.00185 in3 0.00056 lb 0.00041 lb 0.000020 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 1.143 cm 0.0375 ft 1.083 cm 0.0355 ft 1.024 cm 0.0336 ft 0.998 cm 0.0327 ft 0.988 cm 0.0324 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) Part Number Kool Mµ AL+- 15% 6.65 mm 4.94 mm 0.262 in 0.195 in High Flux - 4-3 1.108 cm2 1.50 cm2 77181-AY 77185-AY 77184-AY 77180-AY - AWG Wire Size Turns (u.w.f.) Rdc (Ohms, Ω) (u.w.f.) Single Layer Turns Single Layer Rdc. (Ohms, Ω) 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 21 26 32 40 49 60 75 95 118 145 178 222 286 361 444 566 688 791 1090 1313 0.0412 0.0643 0.0989 0.156 0.243 0.366 0.577 0.93 1.46 2.26 3.41 5.4 9.08 14.5 22 35.3 55.2 76.8 137 207 11 13 15 17 19 22 24 28 32 36 40 45 52 59 67 76 85 92 107 118 0.0183 0.0275 0.0395 0.0572 0.0807 0.115 0.16 0.237 0.343 0.484 0.664 0.944 1.43 2.05 2.86 4.08 5.9 7.72 11.6 16.1 Surface Area Unwound Core 40% Winding Factor Kool Mµ 0.172 in2 0.233 in2 www.mag-inc.com 0.250” 0.110” 6.35mm OD 2.79mm ID x 2.79mm HT 0.110” 020A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 6.99 mm 2.29 mm 3.43 mm Permeability (µ) 0.275 in 0.090 in 0.135 in AL +- 8% MPP 6 10 24 30 36 50 59 64 69 80 120 220 55023-A2 55022-A2 55021-A2 55020-A2 55019-A2 55018-A2 55014-A2 55017-A2 55015-A2 55016-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics 0.0412 cm2 0.0470 cm2 1.361 cm 0.0640 cm3 0.588 gm 0.553 gm 0.393 gm 0.0019 cm4 8,100 c.mils 0.00729 in2 0.536 in 0.00391 in3 0.0013 lb 0.0012 lb 0.0009 lb 0.000046 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 1.348 cm 0.0442 ft 1.273 cm 0.0417 ft 1.200 cm 0.0394 ft 1.168 cm 0.0383 ft 1.156 cm 0.0379 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 8.81 mm 5.38 mm 0.347 in 0.212 in 1.68 cm2 2.2 cm2 0.260 in2 0.341 in2 High Flux Kool Mµ 58023-A2 58022-A2 58021-A2 58020-A2 58019-A2 58018-A2 - 77021-A7 77825-A7 77824-A7 77020-A7 - AWG Wire Size Turns (u.w.f.) Rdc (Ohms, Ω) (u.w.f.) Single Layer Turns Single Layer Rdc. (Ohms, Ω) 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 24 30 37 45 56 69 84 105 133 165 204 249 312 401 506 623 794 964 1110 1528 0.0432 0.0682 0.1063 0.1635 0.259 0.401 0.604 0.953 1.54 2.42 3.74 5.64 8.92 15.01 24 36.4 58.3 91.2 127 226 12 14 16 18 21 23 26 30 34 38 44 48 54 62 71 80 91 101 110 128 0.0186 0.0273 0.0395 0.0554 0.0828 0.114 0.16 0.235 0.336 0.477 0.691 0.931 1.33 1.99 2.87 4 5.72 8.19 10.8 16.2 Surface Area Unwound Core 40% Winding Factor www.mag-inc.com 4-4 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number Kool Mµ AL+- 12% 0.260” 0.105”” 6.60mm OD 2.67mm ID x 2.54mm HT 0.100” 240A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 7.24 mm 2.16 mm 3.18 mm Permeability (µ) 0.285 in 0.085 in 0.125 in AL +- 8% MPP 6 11 26 32 39 54 64 69 75 86 130 242 55243-A2 55242-A2 55241-A2 55240-A2 55239-A2 55238-A2 55234-A2 55237-A2 55235-A2 55236-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 0.0412 cm2 0.0476 cm2 1.363 cm 0.0649 cm3 0.58 gm 0.55 gm 0.399 gm 0.0020 cm4 8,100 c.mils 0.00738 in2 0.537 in 0.00396 in3 0.0013 lb 0.0012 lb 0.00088 lb 0.000047 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 1.327 cm 0.0435 ft 1.251 cm 0.0410 ft 1.176 cm 0.0386 ft 1.144 cm 0.0375 ft 1.132 cm 0.0371 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) Part Number Kool Mµ AL+- 12% 9.12 mm 5.13 mm 0.359 in 0.202 in High Flux Kool Mµ 58243-A2 58242-A2 58241-A2 58240-A2 58239-A2 58238-A2 - 77241-A7 77245-A7 77244-A7 77240-A7 - AWG Wire Size Turns (u.w.f.) Rdc (Ohms, Ω) (u.w.f.) Single Layer Turns Single Layer Rdc. (Ohms, Ω) 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 24 30 37 45 56 69 84 105 133 165 204 249 312 401 506 623 794 964 1110 1528 0.0425 0.0671 0.1046 0.1609 0.255 0.395 0.595 0.938 1.513 2.38 3.68 5.55 8.78 14.8 23.7 35.8 57.3 89.8 125 223 12 14 16 18 21 23 26 30 34 39 44 48 54 62 71 80 91 101 110 128 0.0183 0.0267 0.0388 0.0542 0.81 0.112 0.156 0.229 0.329 0.479 0.677 0.912 1.3 1.95 2.82 3.92 5.6 8.02 10.6 15.9 Surface Area Unwound Core 40% Winding Factor 4-5 0.264 in2 0.357 in2 1.70 cm2 2.3 cm2 www.mag-inc.com 0.260” 0.105” 6.60mm OD 2.67mm ID x 4.78mm HT 0.188” 270A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 7.24 mm 2.16 mm 5.54 mm Permeability (µ) 0.285 in 0.085 in 0.213 in AL +- 8% MPP 12 21 50 62 74 103 122 132 144 165 247 466 55273-A2 55272-A2 55271-A2 55270-A2 55269-A2 55268-A2 55264-A2 55267-A2 55265-A2 55266-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics 0.0384 cm2 0.0920 cm2 1.363 cm 0.1254 cm3 1.09 gm 1.03 gm 0.771 gm 0.0035 cm4 7,570 c.mils 0.01426 in2 0.537 in 0.00765 in3 0.0024 lb 0.0023 lb 0.0017 lb 0.000085 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 1.754 cm 0.0575 ft 1.701 cm 0.0558 ft 1.650 cm 0.0541 ft 1.628 cm 0.0534 ft 1.620 cm 0.0531 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 9.17 mm 7.42 mm 0.361 in 0.292 in 2.41 cm2 2.9 cm2 0.375 in2 0.450 in2 High Flux Kool Mµ 58273-A2 58272-A2 58271-A2 58270-A2 58269-A2 58268-A2 - 77271-A7 77875-A7 77874-A7 77270-A7 - AWG Wire Size Turns (u.w.f.) Rdc (Ohms, Ω) (u.w.f.) Single Layer Turns Single Layer Rdc. (Ohms, Ω) 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 22 28 34 42 53 65 79 98 124 154 191 233 291 375 473 582 742 901 1037 1428 0.0525 0.0828 0.1292 0.1988 0.314 0.487 0.734 1.158 1.868 2.94 4.55 6.86 10.85 18.25 29.2 44.2 70.8 110.9 154.4 275 12 13 16 17 20 22 25 28 33 37 42 46 52 60 68 77 87 98 106 123 0.0262 0.0355 0.0555 0.0733 0.11 0.153 0.215 0.307 0.457 0.651 0.925 1.25 1.78 2.69 3.86 5.4 7.67 11.1 14.6 21.9 Surface Area Unwound Core 40% Winding Factor www.mag-inc.com 4-6 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number Kool Mµ AL+- 12% 0.270” 0.156” 6.86mm OD 3.96mm ID x 5.08mm HT 0.200” 410A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 7.49 mm 3.45 mm 5.71 mm Permeability (µ) 0.295 in 0.136 in 0.225 in AL +- 8% MPP 8 14 33 42 50 70 81 89 95 112 166 55413-A2 55412-A2 55411-A2 55410-A2 55409-A2 55408-A2 55404-A2 55407-A2 55405-A2 14 26 60 75 90 125 147 160 173 200 300 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 0.0934 cm2 0.0725 cm2 1.65 cm 0.1196 cm3 1.0 gm 0.94 gm 0.736 gm 0.0067 cm4 18,500 c.mils 0.01124 in2 0.650 in 0.00731in3 0.0022 lb 0.0021 lb 0.0016 lb 0.000161 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 1.786 cm 0.0586 ft 1.698 cm 0.0557 ft 1.612 cm 0.0529 ft 1.579 cm 0.0518 ft 1.561 cm 0.0512 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) Part Number Kool Mµ AL+- 12% 9.60 mm 10.0 mm 0.378 in 0.394 in 2.7 cm2 3.2 cm2 0.419 in2 0.496 in2 High Flux Kool Mµ 58413-A2 58412-A2 58411-A2 58410-A2 58409-A2 58408-A2 - 77411-A7 77415-A7 77414-A7 77410-A7 - AWG Wire Size Turns (u.w.f.) Rdc (Ohms, Ω) (u.w.f.) Single Layer Turns Single Layer Rdc. (Ohms, Ω) 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 55 69 85 103 129 159 193 239 305 378 466 570 712 916 1157 1424 1814 2203 2535 3491 0.1321 0.208 0.325 0.49 0.786 1.221 1.832 2.89 4.66 7.33 11.33 17.1 27 45.5 72.5 110.1 176.5 276 385 685 20 23 26 29 33 37 41 46 53 60 67 73 83 95 108 121 138 153 166 195 0.042 0.0605 0.0869 0.121 0.176 0.248 0.34 0.485 0.708 1.02 1.42 1.91 2.75 4.12 5.92 8.18 11.7 16.8 22 33.4 Surface Area Unwound Core 40% Winding Factor 4-7 www.mag-inc.com 0.310” 0.156” 7.87mm OD 3.96mm ID x 3.18mm HT 0.125” 5 5030A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 8.51 mm 3.45 mm 3.81 mm Permeability (µ) 0.335 in 0.136 in 0.150 in AL +- 8% MPP 6 11 25 31 37 52 62 66 73 83 124 229 55033-A2 55032-A2 55031-A2 55030-A2 55029-A2 55028-A2 55024-A2 55027-A2 55025-A2 55026-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics 0.0922 cm2 0.0615 cm2 1.787 cm 0.1099 cm3 0.92 gm 0.87 gm 0.676 gm 0.0057 cm4 18,200 c.mils 0.00953 in2 0.704 in 0.00671 in3 0.0020 lb 0.0019 lb 0.0015 lb 0.000136 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 1.598 cm 0.0524 ft 1.471 cm 0.0482 ft 1.347 cm 0.0442 ft 1.292 cm 0.0424 ft 1.272 cm 0.0417 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 11.0 mm 6.73 mm 0.433 in 0.265 in 2.38 cm2 3.2 cm2 0.369 in2 0.496 in2 AWG Wire Size Turns (u.w.f.) 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 23 28 35 43 54 68 83 101 127 156 190 235 300 372 459 561 701 902 1139 1402 High Flux Kool Mµ 58033-A2 58032-A2 58031-A2 58030-A2 58029-A2 58028-A2 - 77031-A7 77835-A7 77834-A7 77030-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.0191 0.0298 0.0467 0.0728 0.1152 0.1818 0.284 0.436 0.69 1.069 1.612 2.54 4.1 6.45 9.98 15.04 23.8 40 64.1 97 Single Layer Turns 12 13 15 18 20 23 26 29 33 37 41 46 53 60 67 73 83 95 108 121 Single Layer Rdc. (Ohms, Ω) 0.0082 0.0109 0.016 0.0243 0.0342 0.0493 0.0707 0.0982 0.143 0.202 0.277 0.395 0.577 0.828 1.16 1.56 2.24 3.79 4.82 6.65 Surface Area Unwound Core 40% Winding Factor www.mag-inc.com 4-8 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number Kool Mµ AL+- 12% 0.380” 0.188” 9.65mm OD 4.78mm ID x 3.18mm HT 0.125” 55280A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 10.29 mm 4.27 mm 3.81 mm Permeability (µ) 0.405 in 0.168 in 0.150 in AL +- 8% MPP 6 11 25 32 38 53 63 68 74 84 128 232 55283-A2 55282-A2 55281-A2 55280-A2 55279-A2 55278-A2 55274-A2 55277-A2 55275-A2 55276-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 0.1429 cm2 0.0752 cm2 2.18 cm 0.1639 cm3 1.4 gm 1.3 gm 1.008 gm 0.0107 cm4 28,200 c.mils 0.01166 in2 0.858 in 0.0100 in3 0.0030 lb 0.0028 lb 0.00222 lb 0.000258 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 1.793 cm 0.0588 ft 1.627 cm 0.0533 ft 1.465 cm 0.0480 ft 1.393 cm 0.0457 ft 1.366 cm 0.0448 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) Part Number Kool Mµ AL+- 12% 13.4 mm 7.44 mm 0.526 in 0.293 in 3.12 cm2 4.4 cm2 0.483 in2 0.682 in2 AWG Wire Size Turns (u.w.f.) 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 23 28 35 43 54 66 83 105 128 157 196 241 294 365 464 576 711 868 1086 1397 High Flux Kool Mµ 58283-A2 58282-A2 58281-A2 58280-A2 58279-A2 58278-A2 - 77281-A7 77885-A7 77884-A7 77280-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.01345 0.0212 0.0332 0.0518 0.0812 0.1265 0.2 0.316 0.493 0.758 1.199 1.858 2.8 4.42 7.12 11.21 17.3 26.1 41.4 69.6 Surface Area Unwound Core 40% Winding Factor 4-9 www.mag-inc.com Single Layer Turns Single Layer Rdc. (Ohms, Ω) 12 13 15 18 20 23 26 29 33 37 42 47 52 58 67 75 84 92 104 119 0.0054 0.0074 0.0108 0.0164 0.0231 0.0334 0.0478 0.0668 0.0966 0.135 0.195 0.276 0.377 0.535 0.783 1.11 1.57 2.11 3.02 4.52 0.380” 0.188” 9.65mm OD 4.78mm ID x 3.96mm HT 0.156” 5 5290A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 10.29 mm 4.27 mm 4.60 mm Permeability (µ) 0.405 in 0.168 in 0.181 in AL +- 8% MPP 7 14 32 40 48 66 78 84 92 105 159 290 55293-A2 55292-A2 55291-A2 55290-A2 55289-A2 55288-A2 55284-A2 55287-A2 55285-A2 55286-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics 0.1429 cm2 0.0945 cm2 2.18 cm 0.206 cm3 1.8 gm 1.7 gm 1.44 gm 0.0135 cm4 28,200 c.mils 0.01465 in2 0.859 in 0.0126 in3 0.0039 lb 0.0037 lb 0.0032 lb 0.000325 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 1.928 cm 0.0632 ft 1.768 cm 0.0580 ft 1.613 cm 0.0529 ft 1.545 cm 0.0506 ft 1.519 cm 0.0498 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 13.4 mm 8.20 mm 0.526 in 0.323 in 3.46 cm2 4.7 cm2 0.537 in2 0.729 in2 AWG Wire Size Turns (u.w.f.) 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 23 28 35 43 54 66 83 105 128 157 196 241 294 365 464 576 711 868 1086 1397 High Flux Kool Mµ 58293-A2 58292-A2 58291-A2 58290-A2 58289-A2 58288-A2 - 77291-A7 77295-A7 77294-A7 77290-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.01446 0.0228 0.0357 0.0557 0.0873 0.136 0.215 0.34 0.529 0.815 1.288 1.997 3.01 4.75 7.66 12.05 18.65 28.1 44.5 74.8 Single Layer Turns 12 13 15 18 20 23 26 29 33 37 42 47 52 58 67 75 84 92 104 119 Single Layer Rdc. (Ohms, Ω) 0.00605 0.00826 0.012 0.0182 0.0256 0.0371 0.0531 0.0743 0.107 0.15 0.217 0.307 0.42 0.594 0.871 1.24 1.74 2.34 3.35 5.02 Surface Area Unwound Core 40% Winding Factor www.mag-inc.com 4-10 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number Kool Mµ AL+- 12% 0.400” 0.200” 10.2mm OD 5.08mm ID x 3.96mm HT 0.156” 5 5040A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 10.80 mm 4.57 mm 4.60 mm Permeability (µ) 0.425 in 0.180 in 0.181 in AL +- 8% MPP 7 14 32 40 48 66 78 84 92 105 159 290 55043-A2 55042-A2 55041-A2 55040-A2 55039-A2 55038-A2 55034-A2 55037-A2 55035-A2 55036-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 0.164 cm2 0.1000 cm2 2.38 cm 0.238 cm3 1.91 gm. 1.80 gm 1.46 gm 0.0164 cm4 32,400 c.mils 0.01550 in2 0.906 in 0.014 in3 0.0041 lb 0.0039 lb 0.0032 lb 0.000395 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 1.986 cm 0.0651 ft 1.811 cm 0.0594 ft 1.640 cm 0.0538 ft 1.566 cm 0.0513 ft 1.537 cm 0.0504 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) Part Number Kool Mµ AL+- 12% 14.1 mm 8.46 mm 0.554 in 0.333 in AWG Wire Size Turns (u.w.f.) 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 26 32 40 50 62 76 95 120 147 180 225 277 338 419 533 661 816 1000 1246 1604 High Flux Kool Mµ 58043-A2 58042-A2 58041-A2 58040-A2 58039-A2 58038-A2 - 77041-A7 77845-A7 77844-A7 77040-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.01709 0.0267 0.0422 0.0659 0.1032 0.1608 0.254 0.402 0.626 0.963 1.523 2.36 3.56 5.61 9.05 14.25 22 33.3 52.6 88.4 Surface Area Unwound Core 40% Winding Factor 4-11 3.703 cm2 5.1 cm2 0.574 in2 0.791 in2 www.mag-inc.com Single Layer Turns 13 15 17 19 22 25 28 31 36 40 45 50 56 63 72 81 91 99 112 128 Single Layer Rdc. (Ohms, Ω) 0.00663 0.00968 0.0139 0.0195 0.0285 0.0408 0.0579 0.0804 0.119 0.164 0.236 0.33 0.457 0.654 0.947 1.35 1.9 2.56 3.66 5.46 0.440” 0.250” 11.2mm OD 6.35mm ID x 3.96mm HT 0.156” 555130-A2 5130A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 11.81 mm 5.84 mm 4.60 mm Permeability (µ) 0.465 in 0.230 in 0.181 in AL +- 8% MPP 6 11 26 32 38 53 63 68 74 85 127 55133-A2 55132-A2 55131-A2 55130-A2 55129-A2 55128-A2 55124-A2 55127-A2 55125-A2 14 26 60 75 90 125 147 160 173 200 300 Physical Characteristics 0.273 cm2 0.0906 cm2 2.69 cm 0.2437 cm3 2.12 gm 1.99 gm 1.499 gm 0.0247 cm4 53,800 c.mils 0.0140 in2 1.08 in 0.01487 in3 0.0046 lb 0.0043 lb 0.0033 lb 0.000592 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 2.195 cm 0.0720 ft 1.942 cm 0.0637 ft 1.695 cm 0.0556 ft 1.585 cm 0.0520 ft 1.545 cm 0.0507 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 15.7 mm 9.0 mm 0.618 in 0.353 in 4.31 cm2 6.0 cm2 0.669 in2 0.936 in2 AWG Wire Size Turns (u.w.f.) 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 17 22 28 34 43 54 66 83 102 127 158 199 245 299 374 460 560 695 885 1098 High Flux Kool Mµ 58133-A2 58132-A2 58131-A2 58130-A2 58129-A2 58128-A2 - 77131-A7 77335-A7 77334-A7 77130-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00533 0.00808 0.01276 0.02 0.03192 0.04958 0.07747 0.121 0.1896 0.295 0.467 0.737 1.15 1.747 2.8 4.34 6.54 10.31 16.63 26.2 Single Layer Turns Single Layer Rdc. (Ohms, Ω) 10 11 13 15 17 20 23 26 29 33 37 42 47 52 59 66 73 82 93 105 0.00203 0.00282 0.00422 0.00612 0.00873 0.013 0.0188 0.0268 0.0378 0.0543 0.077 0.109 0.155 0.214 0.311 0.438 0.6 0.856 1.23 1.76 Surface Area Unwound Core 40% Winding Factor www.mag-inc.com 4-12 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number Kool Mµ AL+- 12% 0.500” 0.300” 12.7mm OD 7.62mm ID x 4.75mm HT 0.187” 5 5050A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 13.46 mm 6.99 mm 5.51 mm Permeability (µ) 0.530 in 0.275 in 0.217 in MPP 6.4 12 27 34 40 56 67 72 79 90 134 255 55053-A2 55052-A2 55051-A2 55050-A2 55049-A2 55048-A2 55044-A2 55047-A2 55045-A2 55046-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 0.383 cm2 0.1140 cm2 3.12 cm 0.356 cm3 3.07 gm 2.90 gm 2.20 gm. 0.0437 cm4 75,600 c.mils 0.01767 in2 1.229 in 0.0217 in3 0.0064 lb 0.0060 lb 0.0049 lb 0.001049 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 2.49 cm 0.0815 ft 2.20 cm 0.0721 ft 1.920 cm 0.0629 ft 1.797 cm 0.0589 ft 1.751 cm 0.0574 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) Part Number AL +- 8% 18.2 mm 11.5 mm 0.717 in 0.451 in 5.60 cm2 8.1 cm2 0.870 in2 1.26 in2 AWG Wire Size Turns (u.w.f.) 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 25 31 39 48 61 76 93 116 144 178 222 280 344 420 525 646 788 977 1244 1543 High Flux Kool Mµ 58053-A2 58052-A2 58051-A2 58050-A2 58049-A2 58048-A2 - 77051-A7 77055-A7 77054-A7 77050-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00826 0.0129 0.0203 0.0318 0.05 0.0789 0.1233 0.1925 0.302 0.47 0.743 1.173 1.829 2.81 4.45 6.9 10.4 16.4 26.5 41.6 Surface Area Unwound Core 40% Winding Factor 4-13 www.mag-inc.com Single Layer Turns Single Layer Rdc. (Ohms, Ω) 12 14 16 19 21 24 28 31 35 40 45 50 56 63 71 79 87 98 112 125 0.00276 0.00406 0.00587 0.00877 0.0122 0.0176 0.026 0.0362 0.0516 0.0744 0.106 0.148 0.21 0.293 0.434 0.594 0.809 1.16 1.68 2.37 0.650” 0.400” 16.5mm OD 10.2mm ID x 6.35mm HT 0.250” 5 5120A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 17.40 mm 9.53 mm 7.11 mm Permeability (µ) 0.680 in 0.375 in 0.280 in MPP 8 15 35 43 52 72 88 92 104 115 173 317 55123-A2 55122-A2 55121-A2 55120-A2 55119-A2 55118-A2 55114-A2 55117-A2 55115-A2 55116-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics 0.713 cm2 0.1920 cm2 4.11 cm 0.789 cm3 6.78 gm 6.34 gm 4.98 gm 0.1369 cm4 140,600 c.mils 0.0298 in2 1.619 in 0.048 in3 0.015 lb 0.014 lb 0.011 lb 0.0029 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 3.22 cm 0.1057 ft 2.82 cm 0.0926 ft 2.44 cm 0.0798 ft 2.26 cm 0.0742 ft 2.20 cm 0.0721 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 23.7 mm 15.2 mm 0.932 in 0.599 in 9.2 cm2 13.6 cm2 1.43 in2 2.11 in2 AWG Wire Size Turns (u.w.f.) 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 24 30 37 47 58 72 90 113 141 174 216 268 331 414 521 639 781 977 1202 1465 High Flux Kool Mµ 58123-A2 58122-A2 58121-A2 58120-A2 58119-A2 58118-A2 - 77121-A7 77225-A7 77224-A7 77120-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00508 0.008 0.01257 0.01992 0.031 0.049 0.0767 0.1205 0.1903 0.297 0.464 0.728 1.133 1.792 2.83 4.41 6.79 10.74 16.64 25.1 Single Layer Turns Single Layer Rdc. (Ohms, Ω) 12 14 16 18 21 24 27 30 34 39 44 49 56 63 70 78 87 98 108 121 Single 0.00174 0.00254 0.00366 0.00522 0.00765 0.0111 0.0157 0.0219 0.0314 0.0455 0.0644 0.0906 0.131 0.189 0.26 0.368 0.51 0.735 1.02 1.41 Surface Area Unwound Core 40% Winding Factor www.mag-inc.com 4-14 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number AL +- 8% 0.680” 0.380” 17.3mm OD 9.65mm ID x 6.35mm HT 0.250” 5 5380A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 18.03 mm 9.02 mm 7.11 mm Permeability (µ) 0.710 in 0.355 in 0.280 in MPP 10 19 43 53 64 89 105 114 123 142 214 55383-A2 55382-A2 55381-A2 55380-A2 55379-A2 55378-A2 55374-A2 55377-A2 55375-A2 14 26 60 75 90 125 147 160 173 200 300 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 0.576 cm2 0.232 cm2 4.14 cm 0.960 cm3 8.16 gm 7.7 gm 5.9 gm 0.134 cm4 126,000 c.mils 0.0360 in2 1.63 in 0.059 in3 0.018 lb 0.017 lb 0.013 lb 0.00321 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 3.67 cm 0.1204 ft 3.15 cm 0.1032 ft 2.64 cm 0.0864 ft 2.41 cm 0.0791 ft 2.33 cm 0.0763 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) Part Number AL +- 8% 24.9 mm 16.3 mm 0.980 in 0.641 in 9.9 cm2 14.7 cm2 1.53 in2 2.28 in2 AWG Wire Size Turns (u.w.f.) 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 21 26 33 42 52 64 80 100 126 155 193 240 296 370 466 572 700 875 1076 1312 High Flux Kool Mµ 58383-A2 58382-A2 58381-A2 58380-A2 58379-A2 58378-A2 - 77381-A7 77385-A7 77384-A7 77380-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00506 0.00789 0.0126 0.0203 0.0316 0.0492 0.0775 0.122 0.194 0.302 0.472 0.743 1.15 1.83 2.88 4.49 6.84 10.96 16.97 25.6 Surface Area Unwound Core 40% Winding Factor 4-15 www.mag-inc.com Single Layer Turns Single Layer Rdc. (Ohms, Ω) 11 13 15 17 19 22 25 29 32 37 41 46 52 59 66 74 82 92 102 114 0.00167 0.0025 0.00364 0.00521 0.00732 0.0107 0.0154 0.0224 0.0215 0.0313 0.0457 0.0635 0.0902 0.129 0.185 0.259 0.369 0.508 0.73 1.02 0.800” 0.500” 20.3mm OD 12.7mm ID x 6.35mm HT 0.250” 5 5206A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 21.1 mm 12.07 mm 7.11 mm Permeability (µ) 0.830 in 0.475 in 0.280 in MPP 7.8 14 32 41 49 68 81 87 96 109 163 320 55209-A2 55208-A2 55848-A2 55206-A2 55205-A2 55204-A2 55200-A2 55203-A2 55201-A2 55202-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics 1.14 cm2 0.226 cm2 5.09 cm 1.15 cm3 9.4 gm 8.9 gm 7.1 gm 0.258 cm4 225,600 c.mils 0.0350 in2 2.01 in 0.0703 in3 0.023 lb 0.022 lb 0.016 lb 0.00620 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 3.67 cm 0.1204 ft 3.15 cm 0.1032 ft 2.64 cm 0.0864 ft 2.41 cm 0.0791 ft 2.33 cm 0.0763 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 29.2 mm 17.4 mm 1.148 in 0.648 in 12.1 cm2 18.9 cm2 1.88 in2 2.93 in2 AWG Wire Size Turns (u.w.f.) 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 25 31 39 48 60 75 93 116 145 181 226 279 347 430 531 664 836 1026 1253 1567 High Flux Kool Mµ 58209-A2 58208-A2 58848-A2 58206-A2 58205-A2 58204-A2 - 77848-A7 77211-A7 77210-A7 77206-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00374 0.00591 0.00929 0.01463 0.023 0.0364 0.0567 0.0895 0.1402 0.22 0.348 0.543 0.848 1.33 2.07 3.28 5.17 8.06 12.41 19.62 Single Layer Turns 12 14 16 18 21 24 27 31 35 39 45 50 56 63 71 80 89 100 111 125 Single Layer Rdc. (Ohms, Ω) 0.001354 0.0017 0.00245 0.00347 0.0051 0.00736 0.0104 0.0151 0.0215 0.0301 0.0439 0.0618 0.0867 0.124 0.176 0.25 0.349 0.498 0.688 0.992 Surface Area Unwound Core 40% Winding Factor www.mag-inc.com 4-16 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number AL +- 8% 0.900” 0.550” 22.9mm OD 14.0mm ID x 7.62mm HT 0.300” 5 5310A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 23.6 mm 13.34 mm 8.38 mm Permeability (µ) 0.930 in 0.525 in 0.330 in MPP 9.9 19 43 54 65 90 106 115 124 144 216 396 55313-A2 55312-A2 55059-A2 55310-A2 55309-A2 55308-A2 55304-A2 55307-A2 55305-A2 55306-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 1.41 cm2 0.331 cm2 5.67 cm 1.88 cm3 15.9 gm 15.0 gm 11.5 gm 0.467 cm4 277,700 c.mils 0.0513 in2 2.23 in 0.114 in3 0.034 lb 0.032 lb 0.025 lb 0.01119 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 4.29 cm 0.1405 ft 3.67 cm 0.1203 ft 3.07 cm 0.1005 ft 2.80 cm 0.0919 ft 2.70 cm 0.0886 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) Part Number AL +- 8% 32.6 mm 19.8 mm 1.283 in 0.778 in 15.7 cm2 23.8 cm2 2.43 in2 3.69 in2 AWG Wire Size Turns (u.w.f.) 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 24 30 38 47 59 74 93 115 143 178 222 278 343 427 529 653 817 1029 1262 1543 High Flux Kool Mµ 58313-A2 58312-A2 58059-A2 58310-A2 58309-A2 58308-A2 - 77312-A7 77059-A7 77315-A7 77314-A7 77310-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00339 0.00537 0.00849 0.01334 0.0211 0.033 0.0523 0.0814 0.1285 0.201 0.316 0.499 0.78 1.219 1.91 2.97 4.71 7.43 11.58 17.82 Surface Area Unwound Core 40% Winding Factor 4-17 www.mag-inc.com Single Layer Turns Single Layer Rdc. (Ohms, Ω) 12 14 16 18 21 24 27 31 35 39 44 50 56 63 71 80 89 99 111 124 0.00106 0.00156 0.00226 0.0032 0.0047 0.00676 0.00961 0.0138 0.0198 0.0278 0.0395 0.0565 0.0804 0.113 0.161 0.229 0.324 0.45 0.642 0.892 0.928” 0.567” 23.6mm OD 14.4mm ID x 8.89mm HT 0.350” 5 5350A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 24.3 mm 13.77 mm 9.65 mm Permeability (µ) 0.958 in 0.542 in 0.380 in MPP 12 22 51 63 76 105 124 135 146 169 253 55353-A2 55352-A2 55351-A2 55350-A2 55349-A2 55348-A2 55344-A2 55347-A2 55345-A2 14 26 60 75 90 125 147 160 173 200 300 Physical Characteristics 1.49 cm2 0.388 cm2 5.88 cm 2.28 cm3 19.9 gm 18.8 gm 14.0 gm 0.578 cm4 293,800 c.mils 0.061 in2 2.32 in 0.142 in3 0.042 lb 0.040 lb 0.031 lb 0.0139 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 4.49 cm 0.1473 ft 3.91 cm 0.1282 ft 3.34 cm 0.1095 ft 3.09 cm 0.1013 ft 3.00 cm 0.0982 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 33.5 mm 21.4 mm 1.319 in 0.843 in 17.9 cm2 26.3 cm2 2.78 in2 4.08 in2 AWG Wire Size Turns (u.w.f.) 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 20 26 32 40 50 63 78 98 121 157 188 235 294 363 452 560 691 864 1088 1335 High Flux Kool Mµ 58353-A2 58352-A2 58351-A2 58350-A2 58349-A2 58348-A2 - 77352-A7 77351-A7 77355-A7 77354-A7 77350-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00238 0.00376 0.00595 0.00941 0.0148 0.0233 0.0366 0.058 0.0903 0.1425 0.223 0.351 0.554 0.865 1.351 2.12 3.3 5.22 8.24 12.84 Single Layer Turns 11 13 15 17 19 22 25 28 32 36 40 46 51 58 65 73 82 92 102 114 Single Layer Rdc. (Ohms, Ω) 0.000853 0.00127 0.00186 0.00265 0.00373 0.00544 0.00781 0.0111 0.0159 0.0226 0.0316 0.0458 0.0691 0.0923 0.13 0.184 0.261 0.37 0.515 0.731 Surface Area Unwound Core 40% Winding Factor www.mag-inc.com 4-18 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number AL +- 8% 1.060” 0.580” 26.9mm OD 14.7mm ID x 11.2mm HT 0.440” 5 5930A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 27.7 mm 14.10 mm 11.94 mm Permeability (µ) 1.090 in 0.555 in 0.470 in MPP 18 32 75 94 113 157 185 201 217 251 377 740 55933-A2 55932-A2 55894-A2 55930-A2 55929-A2 55928-A2 55924-A2 55927-A2 55925-A2 55926-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 1.56 cm2 0.654 cm2 6.35 cm 4.15 cm3 35.8 gm 33.8 gm 25.5 gm 1.020 cm4 308,000 c.mils 0.1014 in2 2.50 in 0.254 in3 0.080 lb 0.075 lb 0.056 lb 0.0245 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 5.23 cm 0.1714 ft 4.66 cm 0.1526 ft 4.10 cm 0.1344 ft 3.85 cm 0.1263 ft 3.76 cm 0.1233 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) Part Number AL +- 8% 37.3 mm 24.0 mm 1.468 in 0.944 in 24.7 cm2 33.8 cm2 3.83 in2 5.24 in2 AWG Wire Size Turns (u.w.f.) 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 21 27 34 42 53 66 82 103 127 159 197 246 308 380 474 587 725 906 1141 1400 High Flux Kool Mµ 58933-A2 58932-A2 58894-A2 58930-A2 58929-A2 58928-A2 - 77932-A7 77894-A7 77935-A7 77934-A7 77930-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00291 0.00459 0.00726 0.01148 0.01805 0.0284 0.0447 0.0707 0.1102 0.1739 0.272 0.428 0.676 1.056 1.649 2.58 4.02 6.37 10.05 15.67 Surface Area Uwound Core 40% Winding Factor 4-19 www.mag-inc.com Single Layer Turns Single Layer Rdc. (Ohms, Ω) 11 13 15 17 20 22 25 29 33 37 42 47 53 60 66 75 84 94 105 117 0.00107 0.0016 0.00233 0.00333 0.00494 0.00685 0.0098 0.0144 0.0203 0.0291 0.0416 0.0587 0.0835 0.12 0.165 0.237 0.335 0.476 0.744 0.942 1.300” 0.785” 33.0mm OD 19.9mm ID x 10.7mm HT 0.420” 5 5548A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 33.8 mm 19.30 mm 11.43 mm Permeability (µ) 1.330 in 0.760 in 0.450 in MPP 14 28 61 76 91 127 150 163 176 203 305 559 55551-A2 55550-A2 55071-A2 55548-A2 55547-A2 55546-A2 55542-A2 55545-A2 55543-A2 55544-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics 2.93 cm2 0.672 cm2 8.15 cm 5.48 cm3 46.9 gm 44.2 gm 33.7 gm 1.969 cm4 577,600 c.mils 0.1042 in2 3.21 in 0.334 in3 0.106 lb 0.100 lb 0.074 lb 0.0473 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 5.93 cm 0.1943 ft 5.09 cm 0.1668 ft 4.27 cm 0.1400 ft 3.91 cm 0.1282 ft 3.78 cm 0.1238 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 46.7 mm 28.0 mm 1.840 in 1.103 in 31.5 cm2 48.0 cm2 4.88 in2 7.44 in2 AWG Wire Size Turns (u.w.f.) 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 32 40 50 63 79 99 123 154 193 239 298 370 462 578 713 889 1100 1359 1699 2139 High Flux Kool Mµ 58551-A2 58550-A2 58071-A2 58548-A2 58547-A2 58546-A2 - 77550-A7 77071-A7 77553-A7 77552-A7 77548-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00393 0.00618 0.00976 0.01544 0.0244 0.0384 0.0604 0.0949 0.1504 0.234 0.37 0.579 0.909 1.437 2.24 3.5 5.49 8.56 13.53 21.4 Single Layer Turns Single Layer Rdc. (Ohms, Ω) 15 17 19 22 25 28 32 36 41 46 52 58 65 74 83 92 103 116 130 145 0.00117 0.00166 0.00236 0.00343 0.0055 0.00693 0.00999 0.0142 0.0204 0.0288 0.0411 0.0578 0.0815 0.118 0.166 0.231 0.328 0.465 0.66 0.922 Surface Area Unwound Core 40% Winding Factor www.mag-inc.com 4-20 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number AL +- 8% 1.350” 0.920” 34.3mm OD 23.4mm ID x 8.89mm HT 0.350” 5 5585A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 35.2 mm 22.6 mm 9.78 mm Permeability (µ) 1.385 in 0.888 in 0.385 in MPP 9 16 38 47 57 79 93 101 109 126 190 348 55588-A2 55587-A2 55586-A2 55585-A2 55584-A2 55583-A2 55579-A2 55582-A2 55580-A2 55581-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 4.01 cm2 0.454 cm2 8.95 cm 4.06 cm3 34.9 gm 32.9 gm 25.0 gm 1.821 cm4 788,500 c.mils 0.0704 in2 3.53 in 0.249 in3 0.081 lb 0.076 lb 0.055 lb 0.0436 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 5.87 cm 0.1923 ft 4.84 cm 0.1586 ft 3.84 cm 0.1258 ft 3.39 cm 0.1113 ft 3.23 cm 0.1059 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) Part Number AL +- 8% 50.1 mm 29.0 mm 1.974 in 1.142 in 29.3 cm2 51.3 cm2 4.537 in2 7.95 in2 AWG Wire Size Turns (u.w.f.) 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 44 55 69 86 108 135 168 210 263 326 406 505 631 789 974 1213 1502 1855 2319 2921 High Flux Kool Mµ 58588-A2 58587-A2 58586-A2 58585-A2 58584-A2 58583-A2 - 77587-A7 77586-A7 77590-A7 77589-A7 77585-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00531 0.00835 0.01319 0.0209 0.033 0.0518 0.0817 0.1283 0.203 0.316 0.499 0.782 1.229 1.941 3.03 4.74 7.43 11.56 18.29 28.9 Surface Area Unwound Core 40% Winding Factor 4-21 www.mag-inc.com Single Layer Turns Single Layer Rdc. (Ohms, Ω) 18 20 23 26 30 34 38 43 48 54 61 69 77 87 98 109 122 137 153 170 0.0012 0.00168 0.00243 0.00348 0.00505 0.0072 0.0101 0.0145 0.0205 0.0288 0.0413 0.0665 0.0826 0.118 0.168 0.234 0.322 0.47 0.665 0.925 1.410” 0.880” 35.8mm OD 22.4mm ID x 10.5mm HT 0.412” 5 5324A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 36.7 mm 21.5 mm 11.35 mm Permeability (µ) 1.445 in 0.848 in 0.447 in MPP 13 24 56 70 84 117 138 150 162 187 281 515 55327-A2 55326-A2 55076-A2 55324-A2 55323-A2 55322-A2 55318-A2 55321-A2 55319-A2 55320-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics 3.64 cm2 0.678 cm2 8.98 cm 6.088 cm3 51.8 gm 48.9 gm 37.4 gm 2.47 cm4 719,100 c.mils 0.1051 in2 3.54 in 0.372 in3 0.112 lb 0.106 lb 0.082 lb 0.0594 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 6.22 cm 0.2040 ft 5.27 cm 0.1727 ft 4.34 cm 0.1422 ft 3.93 cm 0.1288 ft 3.78 cm 0.1238 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 51.1 mm 29.6 mm 2.01 in 1.165 in AWG Wire Size Turns (u.w.f.) 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 40 50 63 79 98 123 154 191 240 297 371 461 575 719 888 1106 1370 1692 2115 2663 High Flux Kool Mµ 58327-A2 58326-A2 58076-A2 58324-A2 58323-A2 58322-A2 - 77326-A7 77076-A7 77329-A7 77328-A7 77324-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00513 0.00807 0.01275 0.0202 0.0319 0.0501 0.079 0.124 0.1965 0.306 0.483 0.757 1.188 1.877 2.93 4.58 7.18 11.18 17.68 27.9 Single Layer Turns Single Layer Rdc. (Ohms, Ω) 17 19 22 25 28 32 36 41 46 52 58 65 73 82 93 103 116 130 146 161 0.00133 0.00185 0.00273 0.0039 0.00551 0.00792 0.0112 0.0162 0.0229 0.0325 0.0458 0.0648 0.0915 0.13 0.187 0.259 0.368 0.521 0.741 1.02 Surface Area Unwound Core 40% Winding Factor 34.5 cm2 55.1 cm2 5.35 in2 8.54 in2 www.mag-inc.com 4-22 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number AL +- 8% 1.570” 0.950” 39.9mm OD 24.1mm ID x 14.5mm HT 0.570” 5 5254A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 40.8 mm 23.3 mm 15.37 mm Permeability (µ) 1.605 in 0.918 in 0.605 in MPP 19 35 81 101 121 168 198 215 233 269 403 740 55257-A2 55256-A2 55083-A2 55254-A2 55253-A2 55252-A2 55248-A2 55251-A2 55249-A2 55250-A2 14 26 60 75 90 125 147 160 173 200 300 550 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 4.27 cm2 1.072 cm2 9.84 cm 10.5 cm3 91.7 gm 86.5 gm 64.9 gm 4.58 cm4 842,700 c.mils 0.1662 in2 3.88 in 0.645 in3 0.206 lb 0.194 lb 0.143 lb 0.1100 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 7.38 cm 0.242 ft 6.38 cm 0.209 ft 5.40 cm 0.1772 ft 4.97 cm 0.1631 ft 4.81 cm 0.1578 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 56.4 mm 35.2 mm Part Number AL +- 8% 2.22 in 1.385 in AWG Wire Size Turns (u.w.f.) 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 47 59 73 92 115 144 180 224 281 348 434 540 674 843 1040 1297 1605 1983 2479 3121 High Flux Kool Mµ 58257-A2 58256-A2 58083-A2 58254-A2 58253-A2 58252-A2 - 77256-A7 77083-A7 77259-A7 77258-A7 77254-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00714 0.01123 0.01774 0.0281 0.0444 0.0698 0.1099 0.1726 0.273 0.426 0.672 1.053 1.653 2.61 4.08 6.37 9.99 15.55 24.6 38.8 Surface Area Unwound Core 40% Winding Factor 4-23 48.4 cm2 71.7 cm2 7.5 in2 11.1 in2 www.mag-inc.com Single Layer Turns Single Layer Rdc. (Ohms, Ω) 18 21 24 27 31 35 39 44 50 56 63 71 80 90 101 112 126 141 158 175 0.00179 0.00263 0.00378 0.00537 0.00778 0.0111 0.0155 0.0221 0.0317 0.0446 0.0636 0.0902 0.128 0.182 0.259 0.359 0.511 0.721 1.02 1.42 1.840” 0.950” 46.7mm OD 24.1mm ID x 18.0mm HT 0.710” 5 5438A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 47.6 mm 23.3 mm 18.92 mm Permeability (µ) 1.875 in 0.918 in 0.745 in MPP 32 59 135 169 202 281 330 360 390 450 674 55441-A2 55440-A2 55439-A2 55438-A2 55437-A2 55436-A2 55432-A2 55435-A2 55433-A2 14 26 60 75 90 125 147 160 173 200 300 Physical Characteristics 4.27 cm2 1.990 cm2 10.74 cm 21.3 cm3 181 gm 171 gm 131.4 gm 8.50 cm4 842,700 c.mils 0.308 in2 4.23 in 1.30 in3 0.399 lb 0.378 lb 0.29 lb 0.204 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 8.66 cm 0.284 ft 7.71 cm 0.253 ft 6.78 cm 0.222 ft 6.37 cm 0.209 ft 6.22 cm 0.204 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 63.8 mm 38.7 mm 2.51 in 1.525 in AWG Wire Size Turns (u.w.f.) 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 47 59 73 92 115 144 180 224 281 348 434 540 674 843 1040 1297 1605 1983 2479 3121 High Flux Kool Mµ 58441-A2 58440-A2 58439-A2 58438-A2 - 77440-A7 77439-A7 77443-A7 77442-A7 77438-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00837 0.01317 0.0208 0.0329 0.052 0.0818 0.1288 0.202 0.32 0.499 0.788 1.234 1.938 3.06 4.78 7.47 11.71 18.23 28.8 45.5 Single Layer Turns Single Layer Rdc. (Ohms, Ω) 18 21 24 27 31 35 39 44 50 56 63 71 80 90 101 112 126 141 158 175 0.00231 0.00339 0.0049 0.00694 0.01 0.0143 0.0201 0.0285 0.041 0.0577 0.0821 0.116 0.166 0.236 0.334 0.464 0.66 0.932 1.32 1.83 Surface Area Unwound Core 40% Winding Factor 69.3 cm2 94.3 cm2 10.7 in2 14.6 in2 www.mag-inc.com 4-24 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number AL +- 8% 1.840” 1.130” 46.7mm OD 28.7mm ID x 15.2mm HT 0.600” 5 5089A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 47.6 mm 27.9 mm 16.13 mm Permeability (µ) 1.875 in 1.098 in 0.635 in MPP 20 37 86 107 128 178 210 228 246 285 427 55092-A2 55091-A2 55090-A2 55089-A2 55088-A2 55087-A2 55082-A2 55086-A2 55084-A2 14 26 60 75 90 125 147 160 173 200 300 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 6.11 cm2 1.340 cm2 11.63 cm 15.58 cm3 130.4 gm 123 gm 95.8 gm 8.19 cm4 1,206,000 c.mils 0.208 in2 4.58 in 0.953 in3 0.287 lb 0.271 lb 0.211 lb 0.1971 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 8.34 cm 0.273 ft 7.12 cm 0.233 ft 5.92 cm 0.194 ft 5.40 cm 0.177 ft 5.20 cm 0.171 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) Part Number AL +- 8% 66.3 mm 39.8 mm 2.61 in 1.568 in 61.7 cm2 95.1 cm2 9.56 in2 14.74 in2 AWG Wire Size Turns (u.w.f.) 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 67 84 105 132 165 206 258 321 402 498 621 773 964 1206 1488 1855 2296 2837 3546 4465 High Flux Kool Mµ 58092-A2 58091-A2 58090-A2 58089-A2 - 77091-A7 77090-A7 77094-A7 77093-A7 77089-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.01153 0.01814 0.0287 0.0453 0.0717 0.1127 0.1774 0.279 0.442 0.688 1.085 1.7 2.67 4.22 6.59 10.29 16.13 25.1 39.7 62.7 Surface Area Unwound Core 40% Winding Factor 4-25 www.mag-inc.com Single Layer Turns Single Layer Rdc. (Ohms, Ω) 23 26 29 33 37 42 47 54 60 68 76 86 96 108 121 135 152 170 190 211 0.00247 0.0035 0.00494 0.00709 0.01 0.0143 0.0202 0.0293 0.0411 0.0664 0.0828 0.118 0.166 0.236 0.335 0.468 0.666 0.939 1.33 1.86 2.000” 1.250” 50.8mm OD 31.8mm ID x 13.5mm HT 0.530” 5 5715A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 51.7 mm 30.9 mm 14.35 mm Permeability (µ) 2.035 in 1.218 in 0.565 in MPP 17 32 73 91 109 152 179 195 210 243 365 55718-A2 55717-A2 55716-A2 55715-A2 55714-A2 55713-A2 55709-A2 55712-A2 55710-A2 14 26 60 75 90 125 147 160 173 200 300 Physical Characteristics 7.50 cm2 1.251 cm2 12.73 cm 15.93 cm3 141 gm 133 gm 98.1 gm 9.38 cm4 1,484,000 c.mils 0.194 in2 5.02 in 0.974 in3 0.312 lb 0.294 lb 0.216 lb 0.226 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 8.51 cm 0.279 ft 7.12 cm 0.234 ft 5.77 cm 0.189 ft 5.18 cm 0.170 ft 4.95 cm 0.162 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 72.4 mm 40.6 mm 2.85 in 1.600 in AWG Wire Size Turns (u.w.f.) 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 82 103 129 162 203 254 317 395 495 613 765 951 1187 1484 1832 2282 2826 3491 4363 5495 High Flux Kool Mµ 58718-A2 58717-A2 58716-A2 58715-A2 - 77717-A7 77716-A7 77720-A7 77719-A7 77715-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.0144 0.0228 0.036 0.0569 0.09 0.1415 0.223 0.35 0.555 0.864 1.363 2.14 3.35 5.3 8.28 12.93 20.3 31.6 49.9 78.8 Single Layer Turns Single Layer Rdc. (Ohms, Ω) 25 29 33 37 42 47 53 60 67 76 85 95 107 120 135 150 168 188 211 234 0.0025 0.00369 0.00533 0.00752 0.0108 0.0153 0.0217 0.031 0.0437 0.0622 0.0882 0.121 0.176 0.25 0.354 0.494 0.701 0.989 1.4 1.95 Surface Area Unwound Core 40% Winding Factor 64.2 cm2 106.3 cm2 9.95 in2 16.48 in2 www.mag-inc.com 4-26 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number AL +- 8% 2.250” 1.039” 57.2mm OD 26.4mm ID x 15.2mm HT 0.600” 5 5195A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 58.0 mm 25.6 mm 16.1 mm Permeability (µ) 2.285 in 1.007 in 0.635 in MPP 32 60 138 172 207 287 306 333 360 417 55190-A2 55191-A2 55192-A2 55195-A2 55196-A2 55197-A2 55198-A2 55199-A2 14 26 60 75 90 125 147 160 173 200 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 5.14 cm2 2.29 cm2 12.5 cm 28.6 cm3 240 gm 226 gm 176 gm 11.8 cm4 1,014,049 c.mils 0.355 in2 4.93 in 1.75 in3 0.527 lb 0.497 lb 0.388 lb 0.283 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 9.02 cm 0.296 ft 8.35 cm 0.274 ft 7.62 cm 0.250 ft 7.01 cm 0.230 ft 6.46 cm 0.212 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) Part Number AL +- 8% 75.7 mm 34.0 mm 2.98 in 1.34 in 91.0 cm2 115 cm2 14.1 in2 17.8 in2 AWG Wire Size Turns (u.w.f.) 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 56 70 88 110 138 173 216 269 338 419 522 650 811 1014 1252 1560 1931 2386 2982 3755 High Flux Kool Mµ 58190-A2 58191-A2 58192-A2 58195-A2 - 77191-A7 77192-A7 77193-A7 77194-A7 77195-A7 - Rdc (Ohms, Ω) (u.w.f.) 0.00967 0.0151 0.0241 0.0379 0.0601 0.0948 0.149 0.234 0.372 0.58 0.914 1.43 2.25 3.55 5.55 8.67 13.6 21.2 33.5 52.9 Surface Area Unwound Core 40% Winding Factor 4-27 www.mag-inc.com Single Layer Turns Single Layer Rdc. (Ohms, Ω) 20 23 26 30 34 39 43 49 55 62 70 78 88 99 111 124 138 156 174 193 0.00267 0.00385 0.00551 0.00801 0.0115 0.0165 0.023 0.033 0.0469 0.0664 0.0948 0.133 0.189 0.269 0.381 0.534 0.752 1.07 1.51 2.10 2.250” 1.400” 57.2mm OD 35.6mm ID x 14.0mm HT 0.550” 5 5109A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 58.0 mm 34.7 mm 14.86 mm Permeability (µ) 2.285 in 1.368 in 0.585 in MPP 18 33 75 94 112 156 185 200 218 250 374 55112-A2 55111-A2 55110-A2 55109-A2 55108-A2 55107-A2 55103-A2 55106-A2 55104-A2 14 26 60 75 90 125 147 160 173 200 300 Physical Characteristics 9.48 cm2 1.444 cm2 14.30 cm 20.65 cm3 175 gm 165 gm 127 gm 13.69 cm4 1,871,000 c.mils 0.224 in2 5.63 in 1.260 in3 0.387 lb 0.365 lb 0.280 lb 0.329 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 9.33 cm 0.306 ft 7.76 cm 0.254 ft 6.23 cm 0.204 ft 5.56 cm 0.182 ft 5.30 cm 0.174 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 81.3 mm 44.4 mm 3.20 in 1.748 in 76.8 cm2 130.7 cm2 11.9 in2 20.26 in2 High Flux Kool Mµ 58112-A2 58111-A2 58110-A2 58109-A2 - 77111-A7 77110-A7 77214-A7 77213-A7 77109-A7 - AWG Wire Size Turns (u.w.f.) Rdc (Ohms, Ω) (u.w.f.) Single Layer Turns Single Layer Rdc. (Ohms, Ω) 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 104 130 163 204 256 320 400 498 624 773 965 1200 1497 1871 2310 2879 3565 4403 5504 6931 0.02 0.0315 0.0498 0.0787 0.1245 0.1957 0.308 0.484 0.767 1.195 1.886 2.95 4.64 7.33 11.45 17.88 28 43.6 69 109 29 33 37 42 48 54 60 68 76 85 96 108 120 135 152 169 189 212 237 263 0.00318 0.00453 0.00644 0.0092 0.0133 0.0188 0.0263 0.0376 0.0531 0.0746 0.107 0.152 0.211 0.3 0.428 0.596 0.845 1.19 1.69 2.35 Surface Area Unwound Core 40% Winding Factor www.mag-inc.com 4-28 Core Data Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product Part Number AL +- 8% 3.063” 1.938” 77.8mm OD 49.2mm ID x 12.7mm HT 0.500” 5 5866A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 78.9 mm 48.2 mm 13.84 mm Permeability (µ) 3.108 in 1.898 in 0.545 in MPP 16 30 68 142 55869-A2 55868-A2 55867-A2 55866-A2 14 26 60 125 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 17.99 cm2 1.77 cm2 20.0 cm 34.7 cm3 288 gm 272 gm 213 gm 31.8 cm4 3,550,000 c.mils 0.274 in2 7.72 in 2.115 in3 0.635 lb 0.599 lb 0.467 lb 0.765 in4 Winding Turn Length WINDING FACTOR 100% (Unity) 60% 40% 20% 0% LENGTH/TURN 10.40 cm 0.340 ft 8.60 cm 0.282 ft 6.90 cm 0.226 ft 6.15 cm 0.202 ft 5.90 cm 0.193 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 112 mm 54.3 mm Part Number AL +- 8% 4.40 in 2.14 in High Flux Kool Mµ 58869-A2 58868-A2 58867-A2 58866-A2 77868-A7 - AWG Wire Size Turns (u.w.f.) Rdc (Ohms, Ω) (u.w.f.) Single Layer Turns Single Layer Rdc. (Ohms, Ω) 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 197 248 309 388 486 608 760 944 1182 1465 1830 2275 2840 3550 4390 5470 6770 8350 10450 13150 0.0422 0.0664 0.105 0.1663 0.262 0.412 0.65 1.022 1.616 2.52 3.98 6.23 9.8 15.45 24.2 37.4 59.2 92 145.8 229 41 47 53 60 67 76 84 95 106 119 134 150 168 188 211 235 263 295 330 365 0.00552 0.00794 0.0113 0.0162 0.0228 0.0325 0.0454 0.0646 0.0912 0.129 0.183 0.258 0.364 0.514 0.732 1.02 1.3 1.84 2.61 3.62 Surface Area Unwound Core 40% Winding Factor 4-29 117.5 cm2 203.1 cm2 18.2 in2 31.49 in2 www.mag-inc.com 3.063” 1.938” 77.8mm OD 49.2mm ID x 15.9mm HT 0.625” 5 5906A2 Core Dimensions (after finish) O.D. (max.) I.D. (min) HT. (max.) 78.9 mm 48.2 mm 17.02 mm Permeability (µ) 3.108 in 1.898 in 0.670 in MPP 20 37 85 178 55909-A2 55908-A2 55907-A2 55906-A2 14 26 60 125 Physical Characteristics Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Area Product 17.99 cm2 2.27 cm2 19.95 cm 45.3 cm3 377 gm 356 gm 279 gm 40.8 cm4 3,550,000 c.mils 0.352 in2 7.86 in 2.77 in3 0.832 lb 0.785 lb 0.615 lb 0.982 in4 Winding Turn Length LENGTH/TURN 11.00 cm 0.361 ft 9.24 cm 0.303 ft 7.53 cm 0.247 ft 6.80 cm 0.223 ft 6.52 cm 0.214 ft Wound Coil Dimensions Max. O.D. (u.w.f.) Max. HT. (u.w.f.) 113 mm 57.7 mm 4.45 in 2.27 in High Flux Kool Mµ 58909-A2 58908-A2 58907-A2 58906-A2 77908-A7 - AWG Wire Size Turns (u.w.f.) Rdc (Ohms, Ω) (u.w.f.) Single Layer Turns Single Layer Rdc. (Ohms, Ω) 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 197 248 309 388 486 608 760 944 1182 1465 1830 2275 2840 3550 4390 5470 6770 8350 10450 13150 0.0418 0.0705 0.1115 0.1766 0.278 0.437 0.69 1.085 1.716 2.67 4.23 6.61 10.4 16.4 25.7 39.7 62.9 97.7 154.8 243.1 41 47 53 60 67 76 84 95 106 119 134 150 168 188 211 235 263 295 330 365 0.00612 0.0088 0.0125 0.018 0.0253 0.036 0.0503 0.0716 0.101 0.143 0.203 0.286 0.404 0.57 0.812 1.13 1.44 2.04 2.89 4.01 Surface Area Unwound Core 40% Winding Factor 130 cm2 225.2 cm2 20.1 in2 34.90 in2 www.mag-inc.com 4-30 Core Data WINDING FACTOR 100% (Unity) 60% 40% 20% 0% Part Number AL +- 8% Kool Mµ® E Core Data C B L Additional Kool Mµ E Core sizes being tooled: K1207-E (EF12.6) K3007-E (DIN 30/7) K7228-E (F11) K8020-E (Metric E80) F A E M D PART NO. A B C D (min) E (min) F L (nom) M (min) K1808-E (EI-187) in. (mm) .760±.012 .319±.007 (19.30) (8.10) .188±.006 (4.78) .218 (5.54) .548 (13.9) .188±.005 (4.78) .094 (2.39) .183 (4.65) K2510-E (E-2425) in. (mm) 1.000±.010 .375±.005 (25.40) (9.53) .250±.004 (6.53) .245 (6.22) .740 (18.8) .250±.005 (6.22) .125 (3.17) .246 (6.25) K3515-E (EI-375) in. (mm) 1.360±.015 .557±.005 (34.54) (14.10) .368±.007 (9.35) .380 (9.65) .995 (25.3) .367±.008 (9.32) .175 (4.45) .310 (7.87) K4017-E (EE 42/11) in. (mm) 1.687±.025 .830±.007 (42.8) (21.1) .424±.010 (10.8) .587 (15.0) 1.195 (30.4) .468±.010 (11.9) .234 (5.95) .365 (9.27) K4020-E (DIN 42/15) in. (mm) 1.687±.025 .830±.007 (42.8) (21.1) .608±.010 (15.4) .587 (15.0) 1.195 (30.4) .468±.010 (11.9) .234 (5.95) .365 (9.27) K4022-E (DIN 42/20) in. (mm) 1.687±.025 .830±.007 (42.8) (21.1) .788±.010 (20.0) .587 (15.0) 1.195 (30.4) .468±.010 (11.9) .234 (5.95) .365 (9.27) K4317-E (EI-21) in. (mm) 1.609±.015 .650±.006 (40.9) (16.5) .493±.007 (12.5) .410 (10.4) 1.115 (28.3) .493±.007 (12.5) .238 (6.0) .310 (7.9) K5528-E (DIN 55/21) in. (mm) 2.16±.025 1.085±.016 (54.90) (27.60) .812±.015 (20.6) .730 (18.5) 1.476 (37.5) .660±.015 (16.8) .330 (8.38) .405 (10.30) K5530-E (DIN 55/21) in. (mm) 2.16±.025 1.085±.016 (54.90) (27.60) .969±.015 (24.61) .730 (18.5) 1.476 (37.5) .660±.015 (16.8) .330 (8.38) .405 (10.30) AL MH/100 TURNS±8% 26µ 40µ 60µ 90µ Path Length Le (cm) Cross Section AE (cm2) Volume Ve (cm2) 26 39 56 56 80 104 88 116 138 35 52 75 76 108 140 119 157 187 48 70 102 105 150 194 163 219 261 69 100 146 151 217 281 234 - 4.01 4.85 6.94 9.84 9.84 9.84 7.75 12.3 12.3 0.228 0.385 0.840 1.28 1.83 2.37 1.52 3.50 4.17 0.914 1.87 5.83 12.6 18.0 23.3 11.8 43.1 51.4 PART NO. K1808-E*** K2510-E*** K3515-E*** K4017-E*** K4020-E*** K4022-E*** K4317-E*** K5528-E*** K5530-E*** *** Add material code to part number, e.g., for 60µ the complete part number is K1808-E060 4-31 www.mag-inc.com Kool Mµ® E Core DC Bias Kool Mµ E cores are available in four permeabilities, 26µ, 40µ, 60µ, and 90µ. The magnetic data for each core is shown in the table below. The most critical parameter of a switching regulator inductor material is its ability to provide inductance, or permeability, under DC bias. The graph below shows the reduction of permeability as a function of DC bias. The distributed air gap of Kool Mµ results in a soft inductance versus DC bias curve. In most applications, this swinging inductance is desirable since it improves efficiency and accommodates a wide operating range. With a fixed current requirement, the soft inductance versus DC bias curve provides added protection against overload conditions. The chart below is plotted on a semi-log scale to show the DC bias characteristics at high currents. 0.9 26 0.8 µ 0.7 40 0.6 µ 0.5 60 0.4 µ 0.3 90 0.2 µ Per Unit of Initial Permeability 1.0 0.1 0.0 1 10 100 1000 Core Data DC Magnetizing Force (Oersteds) www.mag-inc.com 4-32 MPP THINZ Core Data TM Special core heights are available, consult factory. B A C PART NO. A nom. B nom. C nom. A max. B min. C max. M-0301-T in. (mm) .120 (3.05) .070 (1.78) .032 (.81) .123 (3.12) .067 (1.70) .035 (.89) M-0302-T in. (mm) .140 (3.55) .070 (1.78) .032 (.81) .143 (3.63) .067 (1.70) .035 (.89) M-0402-T in. (mm) . 155 (3.94) .088 (2.23) .032 (.81) .159 (4.04) .084 (2.13) .035 (.89) M-0502-T in. (mm) .181 (4.60) .093 (2.36) .032 (.81) .185 (4.70) .089 (2.26) .035 (.89) M-0603-T in. (mm) .250 (6.35) .110 (2.79) .032 (.81) .255 (6.47) .105 (2.67) .035 (.89) M-0804-T in. (mm) .310 (7.87) .156 (3.96) .032 (.81) .315 (8.00) .151 (3.83) .035 (.89) AL MH/1000 TURNS±15% 125µ 160µ 200µ 250µ Path Length Le (cm) Cross Section AE (cm2) Volume Ve (cm3) 8.4 11.6 9.6 11.7 14.9 12.6 10.8 14.8 12.3 15.0 19.1 16.2 13.5 18.7 15.4 18.7 24.0 20.2 16.9 23.4 19.3 23.4 30.0 25.3 .704 .806 .944 1.058 1.361 1.789 .0040 .0060 .0058 .0079 .0130 .0145 .0028 .0048 .0055 .0083 .0177 .0259 PART NO. M0301-T*** M0302-T*** M0402-T*** M0502-T*** M0603-T*** M0804-T*** *** Add material code to part number, e.g., for 125µ the complete part number is M0502-T125 4-33 www.mag-inc.com MPP THINZ DC Bias TM THINZTM are available in four permeabilities, 125µ, 160µ, 200µ, and 250µ. The most critical parameter of a power inductor material is its ability to provide inductance, or permeability, under DC bias. The distributed air gap of MPP results in a soft inductance versus DC bias curve. This swinging inductance is often desirable since it improves efficiency and accommodates a wide operating range. With a fixed current requirement, the soft H = .4 inductance versus DC bias curve provides added protection against overload conditions. With a variable current requirement a more efficient inductor is achieved. The graph below shows the reduction of permeability as a function of DC bias. This graph is plotted on a semi-log scale to show the DC bias characteristics at high DC magnetizing forces. The following equation can be used to relate current to magnetizing force, or H. π N I/L e where: H = DC Magnetizing force in Oersteds N = number of turns I = current in amps Le = magnetic path length in cm2 0.9 12 0.8 5µ 16 0µ 0.7 20 0µ 0.6 Core Data 0.5 25 0µ Per Unit of Initial Permeability 1.0 0.4 0.3 0.2 0.1 0.0 10 1 100 DC Magnetizing Force (Oersteds) www.mag-inc.com 4-34 Hardware TV-B2206-6A Usable with toroids from 12.7mm (0.500”) through 22.2mm (0.875”) C E A D B H J G Material Phenolic rated UL94V0 6 Pins Bottom View 1 2 3 6 5 4 F A Nom. 1.0mm 19.0mm CP wire 0.748” B Nom. C Nom. D Nom. E Ref. F Typ. G Typ. H Ref. J Ref. 5.5mm 0.216” 10.8mm 0.425” 3.5mm 0.138” 4.8mm 0.189” 6.0mm 0.236” 7.5mm 0.295” 2.0mm 0.079” 5.5mm 0.216” TV-B2908-TA Usable with toroids from 20.5mm (0.810”) through 31.8mm (1.250”) C E A Bottom View B D J Phenolic rated UL94V0 5-1 10 Pins A Nom. 1.0mm 27.0mm CP wire 1.063” 2 3 4 5 10 9 8 7 6 H F G Material 1 B Nom. C Nom. D Nom. 7.5mm 0.295” 19.0mm 0.748” 5.0mm 0.197” E Ref. F Typ. 11.0mm 15.0mm 0.432” 0.590” G Typ. H Ref. J Ref. 5.0mm 0.197” 3.5mm 0.138” 8.13mm 0.320” www.mag-inc.com Hardware TV-B3610-FA Usable with toroids from 28.6mm (1.125”) through 38.1mm (1.500”) C E A Bottom View B D J G2 Material Phenolic rated UL94V0 2 3 4 5 6 7 14 13 12 11 10 9 8 H F G1 14 Pins 1 A Nom. B Nom. 1.0mm 35.8mm CP wire 1.409” C Nom. 7.6mm 20.8mm 0.299” 0.819” D Nom. E Ref. F Typ. G1 Typ. 5.0mm 12.3mm 16.0mm 5.0mm 0.197” 0.484” 0.630” 0.197” G2 Typ. 6.3mm 0.248” H Ref. J Ref. 4.5mm 9.75mm 0.177” 0.384” TV-H2206-4A Usable with toroids from 12.7mm (0.500”) through 25.4mm (1.000”) C E A Top View H B J G Material 4 Pins A Nom. 0.040” 19.0mm CP wire 0.750” B Nom. C Nom. E Ref. F Typ. 3.9mm 0.155” 10.8mm 0.425” 9.8mm 0.385” 6.4mm 0.250” www.mag-inc.com G Typ. H Typ. 15.2mm 3.3mm 0.600” 0.130” J Typ. 3.8mm 0.150” 5-2 Hardware Nylon rated UL94V0 F Hardware TV-H2507-4A Usable with toroids from 20.5mm (0.810”) through 30.5mm (1.200”) C E A Top View H B J G Material F 4 Pins Nylon rated UL94V0 A Nom. CP wire 25.4mm 0.050” 1.000” B Nom. C Nom. 5.1mm 0.200” E Ref. F Typ. G Typ. H Typ. 15.2mm 13.0mm 10.2mm 20.33mm 2.3mm 0.600” 0.510” 0.400” 0.800” 0.090” J Typ. 5.1mm 0.200” TV-H3813-4A Usable with toroids from 25.4mm (1.000”) through 40.6mm (1.600”) C E A Top View H B J F G Material Nylon rated UL94V0 5-3 4 Pins A Nom. CP wire 27.9mm 0.050” 1.100” B Nom. 5.1mm 0.200” C Nom. E Ref. F Typ. G Typ. H Typ. 20.3mm 18.0mm 15.2mm 22.9mm 2.3mm 0.800” 0.710” 0.600” 0.900” 0.090” www.mag-inc.com J Typ. 5.1mm 0.200” Hardware TV-H4196-4A Usable with toroids from 38.1mm (1.500”) through 63.5mm (2.500”) C E A Top View H B J G Material F 4 Pins Nylon rated UL94V0 A Nom. B Nom. CP wire 35.6mm 0.050” 1.400” 5.1mm 0.200” C Nom. E Ref. F Typ. G Typ. H Typ. 22.9mm 20.6mm 17.8mm 30.5mm 2.3mm 0.900” 0.810” 0.700” 1.200” 0.090” J Typ. 5.1mm 0.200” TV-H6113-4A Usable with toroids from 44.4mm (1.750”) through 71.1mm (2.800”) C E A Top View H B J G Material 4 Pins A Nom. CP wire 43.2mm 0.050” 1.700” B Nom. 5.1mm 0.200” www.mag-inc.com C Nom. E Ref. F Typ. G Typ. H Typ. 27.9mm 25.7mm 22.9mm 38.1mm 2.3mm 1.100” 1.010” 0.900” 1.500” 0.090” J Typ. 5.1mm 0.200” 5-4 Hardware Nylon rated UL94V0 F Kool Mµ® E Core Hardware A horizontal mount printed circuit bobbin is available for each Kool Mµ E-core size. Plain or un-pinned, bobbins are also available for most sizes. Refer to Magnetics Ferrite Cores catalog FC-601, section 11 for details. The cores are standard industry sizes that will fit standard bobbins available from many sources. Core pieces can be assembled by bonding the mating surfaces and taping around the perimeter of the core set. Winding Area Length Per Turn Core Number Bobbin Number Number of Pins Winding Area (cm2) Winding Area (in2) Length per Turn (cm) Length per Turn (ft) K1808-E (EI-187) PC-B1808-81 8 0.316 0.049 4.05 0.133 K2510-E (E-2425) PC-B2510-T1 10 0.406 0.063 5.42 0.178 K3515-E (EI-375) PC-B3515-L1 12 0.948 0.147 7.34 0.241 K4020-E (DIN 42/15) PC-B4020-L1 12 1.94 0.300 9.14 0.300 K4022-E (DIN 42/20) PC-B4022-L1 12 1.94 0.300 10.21 0.335 K4317-E (EI-21) PC-B4317-L1 12 1.01 0.156 8.56 0.281 K5528-E (DIN 55/21) PC-B5528-WA 20 3.02 0.468 10.73 0.352 K5530-E (DIN 55/25) PC-B5530-FA 14 2.89 0.448 13.38 0.439 5-5 www.mag-inc.com Notes Hardware www.mag-inc.com Other Products From Magnetics Ferrite Cores Bobbin Cores For telecommunications and high Q filter inductors, high purity manganese-zinc ferrite pot cores exhibit low loss characteristics and exceptionally low disaccommodation. They are available with linear temperature characteristics (-30°C to +70°C) in permeabilities of 750 and 2000, or flat temperature characteristics (+20° to +70°C) in a 2300 permeability material. For transformer applications, the inductance of ungapped pot cores in the above materials are guaranteed to ±25%. For filters, cores can be gapped to standard inductance factors guaranteed to ±3%. Twentythree physical sizes (3 x 2 mm to 45 x 29 mm) are stocked; each size offers a variety of standard inductance values. Miniature Tape Wound Bobbin Cores are manufactured from Permalloy 80, Orthonol, and amorphous alloy 2714A ultra-thin tape (0.000125” to 0.001” thick). They are available in widths from 0.023” to 0.250” (wider on special request). Wound on non-magnetic stainless steel bobbins, core diameters are available down to 0.050”, with flux capacities as low as several maxwells. Toroids, E-cores, U-I cores, pot cores, and other shapes are also available for high frequency inductor and power transformers. For these applications, four low loss power materials with permeabilities of 1500, 2300, 2500, and 3000 are available. Many of these same shapes are also available in high permeability materials of 5,000µ, 10,000µ, and 15,000µ for EMI/RFI filters and broadband transformers. For further information view Ferrite Cores Catalog (FC-601) at www.mag-inc.com. SHAPES: Pot cores, Toroids, E, I, U Cores, and Other Shapes APPLICATIONS: Inductors, Filters, Delay Lines, Transformers, etc. Tape Wound Cores Tape Wound Cores are made from high permeability alloys of nickel-iron, grain oriented silicon-iron, and cobalt-iron. The alloys are known as Orthonol®, Alloy 48, Square Permalloy 80, Round Permalloy, Supermalloy, Magnesil®, Supermendur, and amorphous alloys. Cores are available in all IEEE standard sizes and over 1,400 special sizes. For a wide range of frequency applications, materials are produced in thicknesses from 1/2 mil (0.013mm) through 14 mils (0.356mm). All core sizes can be provided in non-metallic (phenolic or plastic), aluminum, or GVB (Guaranteed Voltage Breakdown) coated aluminum boxes. Magnesil® material, being less sensitive to external stresses, is also available unboxed or epoxy encapsulated. Commonly used sizes are in stock for immediate shipment. MAGNETICS sophisticated pulse test equipment reproduces most test programs and can measure accurately in the millivolt-microsecond region. Standard sizes are available from stock. For further information view the Bobbin Core Catalog (BCC-1.1) at www.mag-inc.com. APPLICATIONS: Magnetometers, Flux Gates, High Frequency Counters, Timers, Oscillators, Inverters, Magnetic Amplifiers. Cut Cores SUPERMENDUR C-cores and E-cores are used in power transformers at frequencies up to 1500 Hz where minimum weight and size are required. PERMALLOY 80 C-cores are ideal for the output transformer of high frequency, high power inverters. The low core loss of these cores makes them suitable up to 5000 gauss, at frequencies up to 25 kHz. Other uses: high power pulse transformers, high frequency inductors, and low loss current transformers. ORTHONOL® C-cores have a saturation flux density of 15,000 gauss, and a core loss approximately one-half that of a silicon-iron C-core of the same material thickness. These cores are suitable for power transformers operating at flux densities to 10,000 gauss, and frequencies to 8 kHz. Amorphous alloy cores offer low losses up to 100 kHz at flux densities comparable to 50 Ni / 50 Fe cores. These alloys are attractive for magnetic core devices where ruggedness and low weight are important. For further information view the Cut Core Catalog (MCC-100) at www.mag-inc.com. For further information view the Tape Wound Core Catalog (TWC-500) www.mag-inc.com. APPLICATIONS: Magnetic Amplifiers, Converters, Inverters, Reactors, Regulators, Static Magnetic Devices www.mag-inc.com w w w . m a g - i n c . c o m Website Enhanced The newly redesigned MAGENTICS website contains a wealth of easy to access information on soft magnetic cores and materials. Some of the most important features of the new website are: ● The MAGNETICS Digital Library contains all of the company’s technical bulletins, white papers, and design manuals, which can be viewed on-screen or downloaded. ● The Software section of the website provides access to the MAGNETICS software design aids for designing Common Mode Filters, Current Transformers, Inductors, and MagAmps. ● All of the product specifications for ferrite cores, powder cores, strip wound products, and specialty metals can be quickly found by using the menu driven product locator. ● The Contact Application Engineering page allows users to quickly contact our Application Engineering staff for assistance. ● The News section of the website keeps users up to date on the latest product introductions and developments. CD Now Available MAGNETICS has just developed an interactive CD that contains all of the company’s publicly available design manuals, technical literature, and design software. The CD is a small 3-inch format for easy portability and is PC and Mac compatible. It allows the user to view, print, and run the software design aids directly from the CD. This CD is free and available from MAGNETICS or any of the company’s distributors or agents. To request a free CD, visit the MAGNETICS website at www.mag-inc.com. ® HOME OFFICE AND FACTORY P.O. Box 11422 Pittsburgh, PA 15238-0422 PHONE: 1.800.245.3984 FAX: 412.696.0333 w w w . m a g - i n c . c o m magnetics@spang.com
