MAGNETIC POWDER CORES

Transcription

1 ISO/TS KS Q/ISO 001 OHSAS MAGNETIC POWDER CORES Offices and Factories in Korea Headquarters & Incheon Factory 68 Namchondong, Namdonggu, Incheon, Korea Tel Fax Pyeongtaek Factory 840, Goryeomri, Cheongbukmyeon, Pyeongtaeksi, Gyeonggido, Korea Tel Fax Cheongju Factory 88 Poongjungri, Naesueup, Cheongwongun, Chungbuk, Korea Tel Fax Offices and Factories Overseas CHINA Weihai Factory Changxing Road, First Industrial Complex, Huanshan RD, Economic Technological Development Zone, Weihai City, Shandong Province, China Tel Fax Dongguan Ofiice 2Floor, Innovation Park of SongYuan Technology, No.1, GuanLong Road YuWu Section, DongCheng District, DongGuan City, GuangDong Province, China Tel Fax JAPAN Tokyo Office Bansui Ken Bldg, 5F, Toranomon 166, MinatoKu Tokyo, Japan Tel Fax CO1509

2 MAGNETIC POWDER CORES

3 Ver.15 MAGNETIC POWDER CORES Moving Forward with Chang Sung Corporation Through continuous innovations and steadfast advancements in technology, we have become one of the leading suppliers of cutting edge products to companies around the world at the forefront of next generation energy solutions.

4 4 Chang Sung Corporation CSC SOFT MAGNETIC POWDER CORES ARE AT THE FOREFRONT OF ADVANCED INDUSTRIES

5 TABLE OF CONTENTS NEW MATERIAL HS Cores 004 KS Cores 008 KH Cores 012 TOROIDAL CORES Materials 0 Part Number Description 022 Magnetic Design Formulas 024 Permeability vs DC Bias 024 Permeability vs Frequency 028 Core Loss 029 Temperature Stability 035 Winding Information 037 Part List 038 SPECIAL SHAPES Block Cores 076 Ellipse Cores 078 Cylinder + Round Block Cores 080 Cylinder Cores 081 EE Cores 082 EER Cores 083 EQ Cores 084 ER II Cores 085 U Cores 086 Washer Cores 087 Big Toroidal Cores 088 TERMINOLOGY 091

6 002 Chang Sung Corporation NEW MATERIALS HS CORES KS CORES KH CORES TOLERANCE OF AL VALUE Core Size OD035 ~ OD095 HS NA OD036 ~ OD778 ±8 OD1013 ~ OD16 ±8

7 Magnetic Powder Cores 003 HS CORES CSC has recently released its new HS series of iron alloy powder cores.the,000 gauss saturation level of HS cores exhibits similar DCB characteristics to High Flux cores. HS cores with permeability of μ and μ show outstanding DCB performance for high current applications such as UPS. Especially, the core losses of HS μ and μ are significantly lower than any other material, even lower than MPP. HS cores with μ and μ offer good solutions for applications requiring high efficiency such as UPS,ESS and similar industrial uses. HS cores over μ have good DCB characteristics and lower core losses than Sendust cores. They provide an economic solution for applications requiring high efficiency including high power desktop PCs, Server PCs, automotive parts, and solar power parts. They can be a good alternative to Amorphous cores, and also present excellent thermal properties without any thermal aging effects found in other soft magnetic powder cores. Finished HS cores are coated with a dark blue epoxy. KS CORES The range of permeability for KS cores is relatively low, u~u, but the,000 gauss saturation level allows them to exhibit similar DCB characteristics to High Flux cores. KS cores can be widely used for solar inverters, because they are economic and have a great level of efficiency. They have especially come into the spotlight for large capacity solar inverters. Recently, KS cores have been used in the automobile electricity fields as well. Finished KS cores are coated with a dark blue epoxy. KH CORES The range of permeability for KH cores is u~90u. The 15,000 gauss saturation level of KH cores exhibits similar DCB characteristics to High Flux cores, which exhibit the best DCB characteristics among existing materials including Sendust, MPP, and Mega Flux cores. They also have lower losses than FeSi based permalloy cores as well as greater frequency characteristics that allow them to be used at a higher frequency. Since KH cores have greater DCB characteristics and a low level of loss, they are most suitable for UPS and ESS applications and other industrial uses. Finished KH cores are coated with a dark blue epoxy.

8 004 Chang Sung Corporation TOROIDAL POWDER CORES HS CORES Features Low core loss at high current Good DC Bias characteristics Economical price Applications Desktop PCs, Server PCs Automotive parts, solar power parts UPS and ESS PART NO. Before Finish Dimensions After Finish Dimensions AL value (nh/n 2 )±8% Cross Path Section length OD ID HT OD ID HT Area 0µ 0µ 075µ 090µ MAX MIN MAX MAX MIN MAX (cm) (cm 2 ) HS096 HS097 HS102 HS112 HS127 HS166 HS172 HS3 HS229 HS234 HS270 HS330 HS343 HS358 HS400 HS467 HS468 HS508 HS571 HS572 HS610 HS740 HS777 HS

9 Magnetic Powder Cores 005 BIG TOROIDAL CORES Features Excellent DC bias characteristics Low core losses Large energy storage capacity Good temperature stability HS CORES Applications Below μ : UPS, power inductors for large currents Over μ : PFC or output chokes for server PCs, industrial powers Product Identification HS Permeability : µ Available Perm :,,, 75, 90µ Core Size HS Core PART NO. Before Finish Dimensions OD( mm) MAX ID MIN HT MAX After Finish Dimensions OD MAX ID MIN HT MAX Path length (cm) Cross Section Area (cm 2 ) AL value (nh/n 2 )±8% 0µ 0µ 0µ HS1013 HS1016 HS1027 HS1033 HS13 HS13 HS1333 HS1340 HS

10 006 Chang Sung Corporation Permeability vs DC Bias Curves HS CORES Percentage of Permeability(%) %perm = 1 a+b H c Material HS ui a b 1.12E E09 2.E E E06 c Permeability vs Frequency Curve Percentage of Permeability(%) Frequency(kHz)

11 Magnetic Powder Cores 007 Core Loss, µ HS CORES (2.277f f ) Core Loss µ (2.830f f )

12 008 Chang Sung Corporation TOROIDAL POWDER CORES KS CORES Features Low core loss at high current Good DC Bias characteristics Economical price Applications Desktop PCs, Server PCs Automotive parts, solar power parts UPS and ESS PART NO. Before Finish Dimensions OD MAX ID MIN HT MAX After Finish Dimensions OD MAX ID MIN HT( mm) MAX Weight (B.F) µ 40 µ µ Weight (A.F) Weight (B.F) Weight (A.F) Weight Weight (B.F) (A.F) Path length (cm) Cross Section Area (cm 2 ) AL value (nh/n 2 ) 0µ 040µ 0µ KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS

13 Magnetic Powder Cores 009 BIG TOROIDAL CORES Features Excellent DC bias characteristics Low core losses Large energy storage capacity Good temperature stability KS CORES Applications Below μ : UPS, power inductors for large currents Over μ : PFC or output chokes for server PCs, industrial powers Product Identification KS Permeability : µ Available Perm :, µ Parylene C coated Core Size Height : 1.2mm KS Core OD size : 4.6mm Available HT 0.8mm~ 1.2mm Available size : 3.5mm~ 6.3mm Washer Core PART NO. Before Finish Dimensions OD MAX ID MIN HT MAX After Finish Dimensions OD MAX ID MIN HT( mm) MAX Weight (B.F) µ 40 µ µ Weight (A.F) Weight (B.F) Weight (A.F) Weight Weight (B.F) (A.F) Path length (cm) Cross Section Area (cm 2 ) 0µ AL value (nh/n 2 ) 040µ 0µ KS KS KS KS KS KS KS KS KS

14 010 Chang Sung Corporation Permeability vs DC Bias Curves KS CORES Percentage of Permeability(%) KS0 KS040 KS0 %perm = 1 a+b H c Material KS ui a b 4.07E E E06 c Core loss µ (8.295f f )

15 Magnetic Powder Cores 011 Core Loss 40µ KS CORES (7.465f f ) Core Loss µ (7.370f f )

16 012 Chang Sung Corporation TOROIDAL POWDER CORES KH CORES Features Low core loss at high current Good DC Bias characteristics Economical price Applications Desktop PCs, Server PCs Automotive parts, solar power parts UPS and ESS PART NO. Before Finish Dimensions OD MAX ID MIN HT MAX After Finish Dimensions OD MAX ID MIN HT( mm) MAX Weight (B.F) µ 40µ µ µ Weight (A.F) Weight (B.F) Weight (A.F) Weight (B.F) Weight (A.F) Weight (B.F) Weight (A.F) Path length (cm) Cross Section Area (cm 2 ) AL value (nh/n 2 ) 0µ 040µ 0µ KH KH KH KH KH KH KH KH KH KH KH KH KH KH KH KH KH KH KH KH KH KH KH KH KH

17 Magnetic Powder Cores 013 BIG TOROIDAL CORES Features Excellent DC bias characteristics Low core losses Large energy storage capacity Good temperature stability KH CORES Applications Below μ : UPS, power inductors for large currents Over μ : PFC or output chokes for server PCs, industrial powers Product Identification KH Permeability : µ Available Perm :,, 75, 90µ Parylene C coated Core Size Height : 1.2mm KH Core OD size : 4.6mm Available HT 0.8mm~ 1.2mm Available size : 3.5mm~ 6.3mm Washer Core DM : Washer MPP Core PART NO. Before Finish Dimensions OD MAX ID MIN HT MAX After Finish Dimensions OD MAX ID MIN HT( mm) MAX Weight (B.F) µ 40 µ µ 90µ Weight (A.F) Weight (B.F) Weight (A.F) Weight (B.F) Weight (A.F) Weight (B.F) Weight (A.F) Path length (cm) Cross Section Area (cm 2 ) AL value (nh/n 2 ) 0µ 040µ 0µ KH KH KH KH KH KH KH KH KH

18 0 Chang Sung Corporation Permeability vs DC Bias Curves KH CORES Percentage of Permeability(%) KH0 KH040 KH0 KH090 %perm = 1 a+b H c Material ui KH a b 1.065E E E E07 c Core loss µ (7.613f f )

19 Magnetic Powder Cores 015 Core Loss 40µ KH CORES (7.0f f ) Core Loss µ (6.615f f )

20 016 Chang Sung Corporation Core Loss 90µ KH CORES (4.861f f )

21 Magnetic Powder Cores MAGNETIC POWDER CORES NOTES 017

22 018 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES Tolerance of AL value Core Size Sendust MPP High Flux Mega Flux OD035~OD046 ±15% ±12% ±12% NA OD063~OD112 ±12% ±8% ±8% ±8% OD127~OD16 ±8% ±8% ±8% ±8% Inductance Calculation by AL vs NI Curves; Inductor specification Core : CM2701 Number of Winding : 22Turns Current : DC 10Amperes Solution a) Calculate NI (Ampere Turns) NI = 22Turns X 10Ampere = 2 b) Read the AL value of CM2701 using the AL vs NI curve on page 56. AL value of CM2701 yields when NI is 2. c) Calculate L at 10Ampere by using formula; LN = AL x N 2 X 10 3 (μh) Therefore, L(@10A) = 100.4x22 2 x0.001 = 48.6(μH)

23 MAGNETIC POWDER CORES PRODUCT LINE UP CHANG SUNG CORPORATION S ADVANCED TECHNOLOGY ENABLES US TO FULFILL THE DIVERSE NEEDS OF OUR CLIENTS FOR SOFT MAGNETIC POWDER CORES. Powder cores are distributed air gap cores made from ferrous alloy powders for low losses at high frequencies. Small air gaps distributed evenly throughout the cores increase the amount of Direct Current (DC) that can be passed through the winding before core saturation occurs. Molybdenum Permalloy Powder (MPP) cores are ideal for low loss inductors such as switching regulators and noise filters. High Flux, Sendust and Mega Flux cores are the preferred choices for Power Factor Correction (PFC), switching regulator inductors, inline noise filters, pulse and flyback transformers and many other applications requiring low losses at high frequencies. Products Cross Sectional View Magnetic Powder Ceramic Layer Core Materials MPP Cores : NiFeMo alloy High Flux Cores : FeNi alloy Sendust Cores : FeSiAl alloy Mega Flux Cores : FeSi alloy HS, KS, KH Cores : Fe alloy Core Shapes Toroids : From 3.5mm to 165mm OD Special : Ellipse, Block, Cylinder Washer, ER Ⅱ, U, EE, EER, EQ Permeability MPP :,, 1, 7, 1, 173, 0μ High Flux :,, 1, 7, 1μ Sendust :,, 75, 90, 1μ Mega Flux :, 50,, 75, 90μ HS :,,, 75, 90μ KS :, 40, μ KH :, 40,, 90μ Core Finishes Finish : Epoxy, ParyleneC, Plastic Case Color MPP : Gray High Flux : Khaki Sendust : Black Mega Flux : Dark Brown HS, KS, KH : Dark Blue BreakDown Voltage : 500V min.

24 0 MAGNETIC POWDER CORES PRODUCT DESCRIPTIONS Chang Sung Corporation OUTSTANDING PRODUCTS BEGIN WITH A STANDARDIZED PRODUCTION LINE AND A STRICT QUALITY CONTROL PROCESS Chang Sung Corporation manufactures four types of soft magnetic powder cores including the Molybdenum Permalloy (MPP), High Flux, Sendust and Mega Flux, which are mainly used for inductors and transformers requiring low losses and inductance stability under high DC bias conditions. A fully standardized production management system under strict quality control of the raw materials (nickel, iron, molybdenum, aluminum and silicon) enables CSC to guarantee consistent quality and thus build greater confidence in our company s product line. MPP NiFeMo alloy powder cores are made from alloy powders of nickel, iron and molybdenum. MPP cores exhibit a highly sustainable level of stability in temperature and inductance under high DC magnetization or high DC Bias conditions. They offer the highest permeability among our materials and the lowest core loss compared to any other core material. MPP cores are also considered to be a premium material for direct current output inductors for SMPS including high Q filters, loading coils and EMI/RFI filters. Finished toroid cores are coated with a gray epoxy to provide dielectric protection and added physical strength. HIGH FLUX NiFe alloy powder cores are made from alloy powders of nickel and iron. The 15,000 Gauss saturation level of High Flux cores has a higher energy storage capability and more effective permeability when compared to the performance of gapped ferrite or powdered iron cores of a similar size. The excellent DC bias characteristics and low core losses of High Flux cores offer a reduction in size and the number of winding turns as well as superior magnetic properties. CSC High Flux cores are an excellent choice for applications such as PFC reactors, switching regulator inductors, inline noise filters, pulse transformers and flyback transformers. Finished High Flux cores are coated with a Khaki epoxy and come in a variety of shapes and sizes. SENDUST FeSiAl alloy powder cores are made from alloy powders of iron, silicon and aluminum. Nearzero magnetostriction makes Sendust cores ideal for eliminating audible noise in filter inductors. Core losses of Sendust cores are significantly lower than those of powdered iron cores. Especially Sendust E shapes provide a higher energy storage capability than gapped Ferrite E cores. Gap losses and eddy current losses are minimized with Sendust E cores compared to gapped ferrite E shapes. Sendust cores are a smart choice for PFC circuits. Other major applications include switching regulator inductors, Inline noise filters, pulse transformers and flyback transformers. Finished Sendust cores are coated in a black epoxy. MEGA FLUX FeSi alloy powder cores are made from an alloy of iron and silicon. CSC is the first company in the world to develop magnetic powder cores made from iron and silicon. The innovative design of these unique Mega Flux cores includes a smaller size, higher current and higher energy storage capability. Mega Flux cores have a higher flux density than any other magnetic material,16,000 gauss compared to 15,000 gauss for High Flux cores and 10,000 gauss for Sendust cores. The excellent DC bias characteristics provide the best solution for high end applications including buck/boost inductors for high power supply systems, smoothing chokes for inverters and reactors for electric vehicles. Mega Flux cores are pressed without organic binders and have significantly lower core losses than powdered iron cores and FeSi strip cores. They also present excellent thermal properties with no thermal aging effects. Finished Mega Flux cores are coated with a dark brown epoxy.

25 Magnetic Powder Cores MAGNETIC POWDER CORES TECHNICAL DATA 021 Comparison of Core Materials Materials Perm. ( ι ) Bs(kg) Core Loss DC Bias Relative Cost Temp. Stability Curie Temp( ) MPP 0 7 Lower Good High Best 450 High Flux 1 15 Low Best Medium Better 500 Powder Sendust Mega Flux HS Low Medium Low Good Best Better Low Low Medium Good Better Better KS Medium Better Low Good 500 KH 15 Medium Best Medium Good 0 Iron High Poor Lowest Poor 770 FeSi Strip (Gap) High Better Lowest Good 740 Strip Amorphous (Gap) 15 Low Better Medium Good 399 Ferrite (Gap) 35 Lowest Poor Lowest Poor 100~300 Permeability vs DC Bias Core Loss (at 50kHz)

26 022 MAGNETIC POWDER CORES TECHNICAL DATA Chang Sung Corporation CSC s Core Designation Toroidal Core Designation CM E Epoxy coated Permeability :1µ OD size:27.0mm MPP core Core finish E : Epoxy, P : ParyleneC, C : Plastic Case Available perm., 50,, 75, 90, 1, 7, 1, 173, 0µ Available size 3.5mm~165.0mm(OD) Core material CM : MPP, CH : High Flux, CS : Sendust, CK : Mega Flux Nominal Inductance Table (AL Value) (nh/n 2 ) Permeability µ 0 µ 0 75µ µ 090 1µ 1 7µ 7 1µ 1 173µ 173 0µ 0 C 035 C 039 C 046 C 063 C 066 C 067 C 068 C 078 C 096 C 097 C 102 C 112 C 127 C 7 C 166 C 172 C 3 C 229 C 234 C 2 C 270 C 300 C 330 C 343 C 358 C 378 C 400 C 434 C 467 C 468 C 488 C 508 C 540 C 571 C 572 C 596 C 610 C 640 C 680 C 740 C 777 C 778 C 888 C 1016 C 13 C example) AL value of CM2701 is 157(nH/N 2 )

27 Magnetic Powder Cores MAGNETIC POWDER CORES TECHNICAL DATA 023 Core Dimension Table (Millimeters) Part Number Magnetic Path Length (cm) Cross Window Surface Area(cm 2 ) Dimensions Weight (g) Section Area OD(Max) X ID(Min) X HT(Max) 40% winding A(cm 2 ) (cm After Finish 2 ) factor CM CH CS CK Before Finish After Finish Package Unit (pcs/box) C 035 C 039 C X1.78X X2.24X X2.36X X1.52X X1.98X X1.93X K 30K 30K C 063 C 066 C X2.79X X2.67X X2.67X X2.29X X2.29X X2.21X K 30K K C 068 C 078 C X3.96X X3.96X X4.78X X3.45X X3.43X X4.27X3.81 K 12K 9K C 097 C 102 C X4.78X X5.08X X6.35X X4.27X X4.57X X5.89X4.72 8K 7K 5K C 127 C 7 C X7.62X X8.90X X10.16X X6.99X X8.X X9.53X7.11 4K 1.96K C 172 C 3 C X9.65X X12.70X X13.97X X9.02X X12.07X X13.39X K 1.37K 580 C 234 C 2 C X.40X8.89.X.X X.73X X13.77X X13.90X X.10X C 300 C 330 C X17.40X X.94X X23.37X X16.70X X.30X X22.X C 358 C 378 C X22.35X X23.X X24.13X X21.50X X22.30X X23.30X C 434 C 467 C X.40X X24.13X X28.70X X.50X X23.30X X27.90X C 488 C 500 C X27.90X X31.75X X29.00X X27.00X X30.90X X28.10X C 571 C 572 C X.39X X35.56X X34.00X X.X X34.70X.86.X33.00X C 610 C 640 C X32.6X X40.00X X36.00X X31.37X X39.00X X35.00X C 740 C 777 C 778 C X45.3X X49.23X X49.23X X66.0X X44.07X X48.0X X48.0X X64.54X C 1016 C 13 C X57.2X X78.6X X88.9X X55.7X X77.0X X86.9X CM : MPP Core, CH : High Flux Core, CS : Sendust Core, CK : Mega Flux Core Window area : area of inner diameter In addition to the cores listed above, customized specifications are also available. Please refer to our web site( for the new toroidal cores.

28 024 MAGNETIC POWDER CORES TECHNICAL DATA Chang Sung Corporation Magnetic Design Formulas Inductance of a Wound Core The inductance of a wound core at a given number of turns is calculated using the following formula. L LN 0.4 µ N 2 A 10 2 = = AL N L = inductance( µh) µ = core permeability N = number of turns A = effective cross section area(cm 2 ) = mean magnetic path length(cm) LN = Inductance at N turns( µh) AL = nominal Inductance(nH/N 2 ) Permeability Flux Density Magnetizing Force Ampere s Law and Faraday s Law show the relations of permeability, flux density and magnetizing force of a wound core. H = 0.4 Nl Ampere s Law H N l = magnetizing force(oersteds) = number of turns = peak magnetizing current(amperes) B max = Erms fAN Faraday s Law = mean magnetic path length(cm) Bmax= maximum flux density(gausses) E rms = voltage across coil(volts) µ = B H f = frequency(hertz) Inductance Calculation by Permeability vs DC Bias Curves Inductor specification Core : CM2701 Number of Windings : 22Turns Current : DC 10Amperes solution a) Formula to calculate L at 0Ampere LN = AL N The Nominal inductance table on page 22 shows the AL value of CM2701 to be 157. Therefore, L (@0A) = = 76 ( µh) b) Determine DC magnetizing force (H) by using Ampere s law to achieve the roll off. H = 0.4 Nl / H = / 6.35 = 43.5(Oe) The magnetizing force(dc bias) is 43.5 oersteds, yielding 64% of initial permeability. See on page 28. The inductance at 10Ampere will decrease the inductance by 64% compared with 0Ampere. Therefore, L(@10A) = = 48.6 ( µh) Inductance calculation by AL vs Nl Curve is also available on page 18.

29 Magnetic Powder Cores MAGNETIC POWDER CORES TECHNICAL DATA 0 Mean Magnetic Path Length For toroidal powder cores, the effective area(a) is the same as the cross sectional area. By definition and Ampere s Law, the effective magnetic path length is the ratio of ampereturns(ni) to the average magnetizing force. Using Ampere s Law and averaging the magnetizing force gives the formula for effective path length. = (OD ID) OD ln( ID ) OD = outside diameter of core (cm) ID = inside diameter of core (cm) A = core cross section (effective area) = mean magnetic path length (cm) Q Factor The Q factor is defined as the ratio of reactance to the effective resistance for an inductor and thus indicates its quality. The Q of wound core can be calculated using the following formula, when neglecting the effects of selfresonance caused by the distributed capacitance resulting from the differential voltage between adjacent turns. Q = L Rdc Rac Rd Q = quality factor = 2 frequency (hertz) L = inductance (henries) Rdc = DC winding resistance (ohms) Rac = resistance due to core loss (ohms) Rd = resistance due to winding dielectric loss (ohms) Core Loss Powder cores have low hysteresis loss, minimizing signal distortion, and low residual loss. The total core loss at low flux Densities is the sum of three frequency dependent losses : hysteresis loss, residual loss, and eddy current loss. The core loss is calculated from the following Legg s equation. Where Rac = core loss resistance (ohms) Rac L = abmaxf cf ef 2 Eddy current loss a = hysteresis loss coefficient c = residual loss coefficient e = eddy current loss coefficient, L, Bmax, f = same as mentioned before Residual loss Hysteresis loss Total loss factor When a varying magnetic field passes through the core, eddy currents are induced in it. Joule heat loss by these currents is called eddy current loss. Hysteresis loss is due to the irreversible behavior in the hysteresis curve and equal to the enclosed area of the loop. The other core loss is called residual loss.

30 0 MAGNETIC POWDER CORES TECHNICAL DATA Chang Sung Corporation Permeability vs DC Bias Curves MPP %perm = 1 a+b H c µ a b 1.42E E E E07 8.E E E06 c High Flux %perm = 1 a+b H c µ a b 3.41E E E E E07 c

31 Magnetic Powder Cores MAGNETIC POWDER CORES TECHNICAL DATA 027 %perm = 1 a+b H c Sendust µ a b 1.23E E E E E05 c %perm = 1 a+b H c Mega Flux µ a b 9.96E E E E E06 c

32 028 MAGNETIC POWDER CORES TECHNICAL DATA Chang Sung Corporation Permeability vs Frequency Curves Mega Flux Sendust High Flux MPP

33 Magnetic Powder Cores MAGNETIC POWDER CORES TECHNICAL DATA 029 MPP Core Loss MPP µ, µ MPP µ, µ 1.99 (B kilogauss, f khz) MPP 1µ MPP 1µ

34 030 MAGNETIC POWDER CORES TECHNICAL DATA Chang Sung Corporation MPP Core Loss MPP 7µ, 1µ, 173µ MPP 0µ MPP 7µ, 1µ, 173µ MPP 0µ

35 Magnetic Powder Cores MAGNETIC POWDER CORES TECHNICAL DATA 031 High Flux Core Loss High Flux µ High Flux µ High Flux µ High Flux µ

36 032 MAGNETIC POWDER CORES TECHNICAL DATA Chang Sung Corporation High Flux Core Loss High Flux 1µ High Flux 7 µ, 1 µ High Flux 1 µ High Flux 7µ, 1µ

37 Magnetic Powder Cores MAGNETIC POWDER CORES TECHNICAL DATA 033 Sendust Core Loss Sendust µ Sendust µ, 75 µ, 90 µ, 1 µ Sendust µ Sendust µ, 75µ, 90µ, 1µ

38 034 MAGNETIC POWDER CORES TECHNICAL DATA Chang Sung Corporation Mega Flux Core Loss Mega Flux µ Mega Flux 50µ, µ, 75µ, 90 µ Mega Flux µ Mega Flux 50µ, µ, 75µ, 90µ

39 Magnetic Powder Cores MAGNETIC POWDER CORES TECHNICAL DATA 035 Temperature Stability Mega Flux Sendust High Flux MPP

40 036 Chang Sung Corporation inch cm cm 2 ( 10 3 ) CirMil Area Diameter gm/cm Weight cm at CirMil cm 2 ( 10 3 ) AWG Wire No Bare Area Heavy Synthetics Current Capacity Amps (listed by columns of amps/cm 2 ) Wire Table Resistivity MAGNETIC POWDER CORES TECHNICAL DATA

41 Magnetic Powder Cores MAGNETIC POWDER CORES TECHNICAL DATA 037 Winding Data Core Size Wire Length / Turn Wound Dimension c Window Area a 100 (unity) b 0 OD HT(Max) 2 CirMils cm ft cm ft cm inch mm 3,0 6,080 5,780 8,100 8,100 7,570 18,500 18,0 28,0 28,0 32,400 53,800 75,0 0,0 1,000 2,0 277, , , ,0 788,500 7, , ,700 1,6,000 1,484,000 1,0,049 1,871,000 3,550, a : Window Area (= π/4 ID 2 : Core inside diameter), b : Winding Factor ( k= Usable window area/total window area), c : 100% Winding Assumed Single Layer Winding Capacity Core Size ID Wire No Wire Dia Turns / Single Layer

42 038 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD035 OD 3.56mm / 0.0inch ID 1.78mm HT 1.52mm Core Dimensions Before coating 3.56 (inch) 0.0 After coating (parylenec) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) cm cm 0.018cm cm in in 3,0cmil in 3 Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM0350 CM0351 CM0357 CM0351 CH0350 CH0351 CS0350 CS CS CS0351 CK0350 CK CK Single layer winding with 1 inch leads AL vs NI Curve(1µ)

43 Magnetic Powder Cores 039 Core Dimensions Before coating 3.94 (inch) After coating (parylenec) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) cm cm cm cm in inch 6,080cmil in 3 ID 2.24mm HT 2.54mm OD039 OD 3.94mm / 0.155inch TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads CM0390 CM0391 CM0397 CM0391 CH0390 CH0391 CS0390 CS CS CS0391 CK0390 CK CK AL vs NI Curve(1µ)

44 040 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD046 OD 4.65mm / 0.183inch ID 2.36mm HT 2.54mm Core Dimensions Before coating 4.65 (inch) After coating (parylenec) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) cm 2 1.0cm 0.029cm cm in in 5,780cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM04 CM0461 CM0467 CM0461 CH04 CH0461 CS04 CS0475 CS0490 CS0461 CK04 CK0475 CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

45 Magnetic Powder Cores 041 Core Dimensions Before coating 6.35 (inch) 0.0 After coating (parylenec) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) cm cm cm cm in inch 8,100cmil in 3 ID 2.79mm HT 2.79mm OD063 OD 6.35mm / 0.0inch TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads CM0630 CM0631 CM0637 CM0631 CM CM0630 CH0630 CH0631 CH0637 CH0631 CS0630 CS CS CS0631 CK0630 CK CK AL vs NI Curve(µ, 1µ)

46 042 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD066 OD 6.6mm / 0.0inch ID 2.67mm HT 2.54mm Core Dimensions Before coating 6.6 (inch) 0.0 After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) cm cm cm m in in 8,100cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM06 CM06 CM0661 CM0667 CM0661 CM CM0660 CH06 CH06 CH0661 CH0667 CH0661 CS06 CS0675 CS0690 CS0661 CK06 CK0675 CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

47 Magnetic Powder Cores 043 Core Dimensions Before coating 6.6 (inch) 0.0 After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 0.09cm cm cm 2 0.cm 3 0.0in inch 7,570cmil in ID 2.67mm HT 4.78mm OD067 OD 6.6mm / 0.0inch TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads CM0670 CM0670 CM0671 CM0677 CM0671 CM CM0670 CH0670 CH0670 CH0671 CH0677 CH0671 CS0670 CS CS CS0671 CK0670 CK CK AL vs NI Curve(µ, 1µ)

48 044 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD068 OD 6.86mm / 0.270inch ID 3.96mm HT 5.08mm Core Dimensions Before coating 6.86 (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 0.07cm cm cm m in 2 0.5in 18,500cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM0680 CM0680 CM0681 CM0687 CM0681 CM CM0680 CH0680 CH0680 CH0681 CH0687 CH0681 CS0680 CS CS CS0681 CK0680 CK CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

49 Magnetic Powder Cores 045 Core Dimensions Before coating 7.87 (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) cm cm cm cm in inch 18,0cmil in ID 3.96mm HT 3.18mm OD078 OD 7.87mm / 0.310inch TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads CM0780 CM0780 CM0781 CM0787 CM0781 CM CM0780 CH0780 CH0780 CH0781 CH0787 CH0781 _ CS0780 CS CS CS0781 _ CK0780 CK CK _ AL vs NI Curve(µ, 1µ)

50 046 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD096 OD 9.65mm / 0.380inch ID 4.78mm HT 3.18mm Core Dimensions Before coating 9.65 (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 0.07cm cm 0.29cm m in in 128,0cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM09 CM09 CM0961 CM0967 CM0961 CM CM0960 CH09 CH09 CH0961 CH0967 CH0961 CS09 CS0975 CS0990 CS0961 CK09 CK0975 CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

51 Magnetic Powder Cores 047 Core Dimensions Before coating 9.65 (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) cm cm 0.29cm 2 0.cm in inch 28,0cmil in ID 4.78mm HT 3.96mm OD097 OD 9.65mm / 0.380inch TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads CM0970 CM0970 CM0971 CM0977 CM0971 CM CM0970 CH0970 CH0970 CH0971 CH0977 CH0971 CS0970 CS CS CS0971 CK0970 CK CK AL vs NI Curve(µ, 1µ)

52 048 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD102 OD 10.16mm / 0.400inch ID 5.08mm HT 3.96mm Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) cm cm cm cm in in 32,400cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM10 CM10 CM1021 CM1027 CM1021 CM CM1020 CH10 CH10 CH1021 CH1027 CH1021 CS10 CS1075 CS1090 CS1021 CK10 CK1075 CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

53 Magnetic Powder Cores 049 Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) cm cm 0.273cm cm in in 53,800cmil in ID 6.35mm HT 3.96mm OD112 OD 11.18mm / 0.440inch TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads CM11 CM11 CM1121 CM1127 CM1121 CM CM1120 CH11 CH11 CH1121 CH1127 CH1121 CS11 CS11 CS1175 CS10 CS1121 CK11 CK11 CK1175 CK AL vs NI Curve(µ, 1µ)

54 050 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD127 OD 12.70mm / 0.500inch ID 7.62mm HT 4.75mm Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 0.1cm cm cm cm in in 75,0cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM1270 CM1270 CM1271 CM1277 CM1271 CM CM1270 CH1270 CH1270 CH1271 CH1277 CH1271 CS1270 CS1270 CS CS CS1271 CK1270 CK1270 CK CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

55 Magnetic Powder Cores 051 Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 0.cm in cm 1.6in cm 0,0cmil cm in ID 10.16mm HT 6.35mm OD166 OD 16.51mm / 0.650inch TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads CM16 CM16 CM1661 CM1667 CM1661 CM CM1660 CH16 CH16 CH1661 CH1667 CH1661 CS16 CS16 CS1675 CS1690 CS1661 CK16 CK16 CK1675 CK AL vs NI Curve(µ, 1µ)

56 052 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD172 OD 17.27mm / 0.680inch ID 9.65mm HT 6.35mm Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 0.232cm 2 4.cm cm 0.95cm in in 1,000cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM17 CM17 CM1721 CM1727 CM1721 CM CM1720 CH17 CH17 CH1721 CH1727 CH1721 CS17 CS17 CS1775 CS1790 CS1721 CK17 CK17 CK1775 CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

57 Magnetic Powder Cores 053 Core Dimensions Before coating.32 (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 0.2cm in cm 2.01in 2 1.cm 2,0cmil cm in ID 12.70mm HT 6.35mm OD3 OD.32mm / 0.800inch TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads CM30 CM30 CM31 CM37 CM31 CM3173 CM30 CH30 CH30 CH31 CH37 CH31 CS30 CS30 CS3075 CS3090 CS31 CK30 CK30 CK3075 CK AL vs NI Curve(µ, 1µ)

58 054 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD229 OD 22.86mm / 0.900inch ID 13.97mm HT 7.62mm Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 0.331cm cm cm cm in in 277,700cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM2290 CM2290 CM2291 CM2297 CM2291 CM CM2290 CH2290 CH2290 CH2291 CH2297 CH2291 CS2290 CS2290 CS CS CS2291 CK2290 CK2290 CK CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

59 Magnetic Powder Cores 055 Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 0.388cm in cm 2.32in cm 293,800cmil 2.28cm in ID.40mm HT 8.89mm OD234 OD 23.57mm / 0.928inch TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads CM2340 CM2340 CM2341 CM2347 CM2341 CM CM2340 CH2340 CH2340 CH2341 CH2347 CH2341 CS2340 CS2340 CS CS CS2341 CK2340 CK2340 CK CK AL vs NI Curve(µ, 1µ)

60 056 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD270 OD.92mm / 1.0inches ID.73mm HT 11.18mm Core Dimensions Before coating.92 (inch) 1.0 After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 0.654cm cm cm 4.154cm in in 308,000cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM2700 CM2700 CM2701 CM2707 CM2701 CM CM2700 CH2700 CH2700 CH2701 CH2707 CH2701 CS2700 CS2700 CS CS CS2701 CK2700 CK2700 CK CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

61 Magnetic Powder Cores Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) cm in cm 3.21in cm 577,0cmil cm in ID.94mm HT 10.67mm 057 OD330 OD 33.02mm / 1.300inches TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads CM3300 CM3300 CM3301 CM3307 CM3301 CM CH3300 CH3300 CH3301 CH3307 CH3301 CS3300 CS3300 CS CS CS3301 CK3300 CK3300 CK CK AL vs NI Curve(µ, 1µ)

62 058 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD343 OD 34.29mm / 1.350inches ID 23.37mm HT 8.89mm Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 0.454cm cm cm cm in in 788,500cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM3430 CM3430 CM3431 CM3437 CM3431 CM CH3430 CH3430 CH3431 CH3437 CH3431 CS3430 CS3430 CS CS CS3431 CK3430 CK3430 CK CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

63 Magnetic Powder Cores Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 0.678cm in cm 3.54in cm 7,100cmil cm in ID 22.35mm HT 10.46mm 059 OD358 OD 35.81mm / 1.410inches TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads CM3580 CM3580 CM3581 CM3587 CM3581 CM CH3580 CH3580 CH3581 CH3587 CH3581 CS3580 CS3580 CS CS CS3581 CK3580 CK3580 CK CK AL vs NI Curve(µ, 1µ)

64 0 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD400 OD 39.88mm / 1.570inches ID 24.13mm HT.48mm Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 1.072cm cm cm cm in in 842,700cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM4000 CM4000 CM4001 CM4007 CM4001 CM CH4000 CH4000 CH4001 CH4007 CH4001 CS4000 CS4000 CS CS CS4001 CK4000 CK4000 CK CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

65 Magnetic Powder Cores Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 1.990cm in cm 4.23in cm 842,700cmil cm in ID 24.13mm HT 18.03mm 061 OD467 OD 46.74mm / 1.840inches TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads CM4670 CM4670 CM4671 CM4677 CM4671 CH4670 CH4670 CH4671 CS4670 CS4670 CS CS CS4671 CK4670 CK4670 CK CK AL vs NI Curve(µ, 1µ)

66 062 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD468 OD 46.74mm / 1.840inches ID 28.70mm HT 15.24mm Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 1.340cm cm cm cm 3 0.8in in 1,6,000cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux CM4680 CH4680 CS4680 CK4680 CM4680 CH4680 CS4680 CK4680 CS CK CS CK CM4681 CH4681 CS4681 CM4687 CM4681 AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

67 Magnetic Powder Cores Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 1.1cm 2 0.4in cm 5.02in cm 1,484,000cmil cm in ID 31.75mm HT 13.46mm 063 OD508 OD 50.80mm / 2.000inches TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads CM5080 CM5080 CM5081 CM5087 CM5081 CH5080 CH5080 CH5081 CS5080 CS5080 CS CS CS5081 CK5080 CK5080 CK CK AL vs NI Curve(µ, 1µ)

68 064 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD571 OD 57.15mm / 2.0inches ID.39mm HT 15.24mm Core Dimensions Before coating (inch) 2.0 After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 2.29cm cm 2 5.cm 28.6cm in in 1,0,049cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM5710 CM5710 CM5711 CM5717 CM5711 CH5710 CH5710 CH5711 CS5710 CS5710 CS CS CS5711 CK5710 CK5710 CK CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

69 Magnetic Powder Cores Core Dimensions Before coating (inch) 2.0 After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 1.444cm in 2.30cm 5.63in cm 1,871,000cmil.65cm in ID 35.56mm HT 13.97mm 065 OD572 OD 57.15mm / 2.0inches TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, Single layer winding with 1 inch leads MPP High Flux Sendust Mega Flux CM57 CH57 CS57 CK57 CM57 CH57 CS57 CK57 CS5775 CK5775 CS5790 CK5790 CM5721 CH5721 CS5721 CM5727 CM5721 AL (nh/n 2 ) Perm. (µ) AL vs NI Curve(µ, 1µ)

70 066 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD610 OD 62.0mm / 2.441inches ID 32.6mm HT.0mm Core Dimensions Before coating 62.0 (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 3.675cm 2.37cm cm 52.81cm in in 1,5,610cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM6100 CM6100 CM6101 CH6100 CH6100 CH6101 CS6100 CS6100 CS CS CS6101 CK6100 CK6100 CK CK N A N A Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

71 Magnetic Powder Cores Core Dimensions Before coating 74.1 (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 5.040cm in cm 7.24in 2 15.cm 3,009, 310cmil 92.64cm in ID 45.3mm HT 35.0mm 067 OD740 OD 74.1mm / 2.917inches TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, N A N A MPP High Flux Sendust Mega Flux CM7400 CH7400 CS7400 CK7400 CM7400 CH7400 CS7400 CK7400 CS CK CS CK CM7401 CH7401 CS7401 AL (nh/n 2 ) Perm. (µ) Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

72 068 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD777 OD 77.8mm / 3.063inches ID 49.23mm HT 12.70mm Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 1.770cm 2.0cm cm cm in in 3,550,000cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM7770 CM7770 CM7771 CH7770 CH7770 CH7771 CS7770 CS7770 CS CS CS7771 CK7770 CK7770 CK CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

73 Magnetic Powder Cores Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 2.270cm in 2.0cm 7.72in cm 3,550,000cmil cm in ID 49.23mm HT 15.9mm 069 OD778 OD 77.8mm / 3.063inches TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) N A N A CM7780 CM7780 CM7781 CH7780 CH7780 CH7781 CS7780 CS7780 CS CS CS7781 CK7780 CK7780 CK CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

74 070 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD888 OD 88.9mm / 3.500inches ID 66.0mm HT 15.9mm Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 1.83cm cm cm cm in in 6,00,0cmil in Available Cores Winding Information MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, CM8880 CM8880 CM8881 CH8880 CH8880 CH8881 CS8880 CS8880 CS CS CS8881 CK8880 CK8880 CK CK N A N A Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

75 Magnetic Powder Cores Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 3.522cm in cm 9.56in cm 4,807,4cmil cm in ID 57.2mm HT 16.5mm 071 OD1016 OD 101.6mm / 3.980inches TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) N A N A CM101 CM101 CM10161 CH101 CH101 CH10161 CS101 CS101 CS10161 CK101 CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

76 072 Chang Sung Corporation TOROIDAL MAGNETIC POWDER CORES OD13 OD 132.5mm / 5.217inches ID 78.6mm HT.4mm Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 6.71cm cm cm cm in in 9,9,089cmil in Available Cores MPP High Flux Sendust Mega Flux CM130 CM130 CM131 CH130 CH130 CH131 CS130 CS130 CS131 AL (nh/n 2 ) CK CK Perm. (µ) Winding Information AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, N A N A Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

77 Magnetic Powder Cores Core Dimensions Before coating (inch) After coating (Epoxy) (inch) Magnetic Dimensions OD(max) ID(min) HT(max) Cross Section Path Length Window Area Volume (A) (l) (Wa) (V) 9.46cm in cm 15.22in cm 11,704,978cmil cm in ID 88.9mm HT.4mm 073 OD16 OD 165.0mm / 6.496inches TOROIDAL MAGNETIC POWDER CORES Winding Information Available Cores AWG Wire Single Layer AWG Wire Single Layer No. Dia(cm) Turn Rdc, No. Dia(cm) Turn Rdc, MPP High Flux Sendust Mega Flux AL (nh/n 2 ) Perm. (µ) N A N A CM1 CM1 CM161 CH1 CH1 CH161 CS1 CS1 CS161 CK1 CK Single layer winding with 1 inch leads AL vs NI Curve(µ, 1µ)

78 074 MAGNETIC POWDER CORES NOTES Chang Sung Corporation

79 SPECIAL MAGNETIC POWDER CORES

80 076 Chang Sung Corporation SPECIAL MAGNETIC POWDER CORES BLOCK CORES Features Applications Large energy storage capacity No magnetic flux leakage Good temperature stability Low core loss at high frequency High inductance choke coils Flyback transformers Multiple circuit choke coils Output chokes for SMPS Product Identification BK Permeability :µ Height : mm Available perm.,40,µ Available HT : 15mm~ mm Width : 30mm Length : mm Mega Flux Block Core Available size : 50mm~ 90mm BH : High Flux, BS : Sendust, KH : BKH, KS : BKS A Length Dimensions B Width C Height Cross Section Area(cm 2 ) BK5315 BK53 BK6315 BK63 BK7315 BK73 BK8315 BK ± ±0.5.5±0.5.5± ± ± ± ± ± ± ± ± ± ± ± ±0.3 15±0.2 ±0.2 15±0.2 ±0.2 15±0.2 ±0.2 15±0.2 ± BK ± ±0.3 15± BK ± ±0.3 ±0.2 6 BK50A 50.5±0.5.3±0.3 ±0.2 4 BKA.5±0.5.3±0.3 ±0.2 4 BKB.5±0.5.3±0.3 ±0.2 5 BK70A 70.5±0.5.3±0.3 ±0.2 4 BK70B 70.5±0.5.3±0.3 ±0.2 5 BK80A 80.5±0.5.3±0.3 ±0.2 4 BK80B 80.5±0.5.3±0.3 ±0.2 5 BS(Sendust Block Core), BH(High Flux Core) and customized designs are also available.

81 Magnetic Powder Cores 077 BLOCK CORES ASSEMBLY SPECIAL MAGNETIC POWDER CORES Permeability vs DC Bias Curves A Length Dimensions B Width C Height Path Length (cm) Cross Section Area(cm 2 ) 0µ 4PCS AL value (nh/n 2 ) 12% 040µ 0µ BK5315 BK53 BK6315 BK63 BK7315 BK73 BK8315 BK ± ±0.5.5±0.5.5± ± ± ± ± ± ± ± ± ± ± ± ±0.3 15±0.2 ±0.2 15±0.2 ±0.2 15±0.2 ±0.2 15±0.2 ± BK ± ±0.3 15± BK ± ±0.3 ± BK50A 50.5±0.5.3±0.3 ± BKA.5±0.5.3±0.3 ± BKB.5±0.5.3±0.3 ± BK70A 70.5±0.5.3±0.3 ± BK70B 70.5±0.5.3±0.3 ± BK80A 80.5±0.5.3±0.3 ± BK80B 80.5±0.5.3±0.3 ± BS(Sendust Block Core), BH(High Flux Core), KH(KH Core), KS(KS Core) and customized designs are also available.

82 078 Chang Sung Corporation SPECIAL MAGNETIC POWDER CORES ELLIPSE CORES Features Applications Shorter wire length than rectangular posts Good DC Bias characteristics Larger energy storage capacity Low core loss at high frequency Choke filters for solar cell inverters Boost inductors for solar cell inverters Product Identification Post LK A 0 Permeability : µ Available perm. :, 40, µ Height(A) : mm Available size : A=mm B=mm Width : 15mm Available size : 15mm Length : 35mm Available size : 35mm Ellipse Core LK : Mega Flux Plate LK A 0 Permeability : µ Available Perm :, 40, µ Height : 13.5mm Available Size : A=13.5mm B=18.5mm Width : 35mm Available Size : 35mm Length : 70mm Available Size : 50 ~ 80 mm Ellipse Core LK : Mega Flux Plate Ellipse Cores Post Ellipse Cores Dimensions LK3515A LK3515B LK35A LK35B A Length B Width Dimensions RC Radius D Height LK5035A LK5035B LK35A LK35B LK7035A LK7035B LK8035A LK8035B A Length B Width RC Radius D Height LS(Sendust Ellipse Core), LH(High Flux Ellipse Core) and customized designs are also available.

83 079 Magnetic Powder Cores Permeability vs DC Bias Curves ELLIPSE CORES ASSEMBLY PLATE 1 LEG STACK Dimensions POST Path Length (cm) Cross Section Area(cm 2 ) Window Area (cm 2 ) A L value (nh/n 2 ) 12% 0µ 040µ 0µ A Length B Width C Height D Inner Height LK5035A LK5035B LK3515A LK3515B LK3515A LK35A LK35B LK35A ± ± ± ± ± ±0.5 E Inner Length LK35A LK35B LK7035A LK7035B LK3515A LK3515B LK3515A LK35A LK35B LK35A LK3515A LK3515B LK3515A LK35A LK35B LK35A ±0.5.5±0.5.5±0.5.5±0.5.5±0.5.5± ± ± ± ± ± ±0.5 LK8035A LK8035B LK3515A LK3515B LK3515A LK35A LK35B LK35A ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ±0.4.0± ± ±0.4.0± ± ±0.4.0± ± ±0.4.0± ± ±0.4.0± ± ±0.4.0± ± ±0.4.0± ± ±0.4.0±0.4.0±0.4.0±0.4.0± ± ± ± ± ± ±0.4.0±0.4.0±0.4.0± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ±0.3 SPECIAL MAGNETIC POWDER CORES

84 080 Chang Sung Corporation SPECIAL MAGNETIC POWDER CORES CYLINDER+ROUNDBLOCK CORES Features Applications Large energy storage capacity Low core loss at high frequency Power inductors for large currents Buck/Boost inductors for inverters Product Identification Post CK Permeability :µ Available perm. A:µ, B:40µ, C:µ HT : 30mm OD : 30mm Available size : mm~ 68mm Mega Flux Cylinder Core CS : Sendust, CH : High Flux Plate RBK A 0 Permeability :µ Available perm :, 40, µ Height(A) : 21.7mm Width : 27.5mm Available size : mm~ 30mm Length : 74.5mm Available size : 54.5mm~ 80.5mm RB : Round Block K : Mega Flux Plate Cylinder 1 LEG STACK A Length B Width Dimensions C Height D Inner Height E Inner Length Path Length (cm) Cross Section Area (cm 2 ) Window Area (cm 2 ) AL value (nh/n 2 ) 12% 0µ 040µ 0µ RBK54A RBK6424A RBK67A RBK7428A RBK8030A CK CK2424 CK CK2828 CK

85 Magnetic Powder Cores 081 CYLINDER CORES Features Applications Large energy storage capacity Low core loss at high frequency Power inductors for large currents Buck/Boost inductors for inverters SPECIAL MAGNETIC POWDER CORES DC Bais Characteristics OD Dimensions HT Cross Section Area (cm 2 ) CK CK2424 CK CK28 CK2830 CK30 CK3030 CK3035 CK3530 CK3735 CK4030 CK4230 CK4630 CK5030 CK5530 CK30 CK6330 CK

86 082 Chang Sung Corporation SPECIAL MAGNETIC POWDER CORES EE CORES Features Applications Large energy storage capacity No magnetic flux leakage Good temperature stability Low core loss at high frequency High inductance choke coils Flyback transformers Multiple circuit choke coils Output chokes for SMPS Product Identification ES A 0 Permeability :µ Available perm., 40,, 90µ Height of E core Width : 21mm Available size : 8.0mm~ 38.1mm Length : 43mm Available size :.0mm~80.0mm Sendust E core EK : Mega Flux R ES 08A ES 10A ES 3015A ES 3515A ES 4117A ES 4321A ES 4321B ES 4321C ES 5528A ES 5528B ES 6533A ES 7228A ES 8038A EK(Mega Flux Dimensions Path Cross AL value (nh/n 2 ) 12% Length Section Area A B C D (min ) E(min) F L(nom) M (min) (cm) (cm 2 ) 0µ 040µ 0µ 090µ EE Core) and customized designs are also available

87 Magnetic Powder Cores 083 Features Applications EER CORES Large energy storage capacity No magnetic flux leakage Good temperature stability Excellent DC bias characteristics Power inductors for large currents Multiple circuit choke coils Output chokes for SMPS SPECIAL MAGNETIC POWDER CORES Product Identification HER B 0 Permeability :µ Available perm., 40, µ Height of EER core Width : 13mm Available size : 7mm~ 17mm Length : 40mm Available size : mm~ 49mm High Flux EER Core R KER : Mega Flux, SER : Sendust A B Dimensions C D E F Path Length (cm) Cross Section Area (cm 2 ) AL value (nh/n 2 ) 12% 0µ 040µ 0µ HER 07A HER 07B HER 3010A HER 3511A HER 3511B HER 4013A HER 4013B HER 4215A HER 4215B HER 4917A HER 4917B KER(Mega Flux EER Core), SER(Sendust EER Core)and customized designs are also available.

88 084 Chang Sung Corporation SPECIAL MAGNETIC POWDER CORES EQ CORES Features Applications Small dimensions for large currents No magnetic flux leakage Excellent DC bias characteristics Good temperature stability Large energy storage capacity Small dimension DC/DC converters Large current choke coils Smoothing choke coils CPU cores for laptop computers Product Identification KEQ A 040 Permeability :40µ Available perm., 40, µ Height of EQ core Width : 28mm Available size : mm~ 32mm Length : 41.5mm Available size :.5mm~ 50mm Mega Flux EQ core HEQ : High Flux, SEQ : Sendust A B Dimensions C D E F Path Length (cm) Cross Section Area (cm 2 ) AL value (nh/n 2 ) 12% 0µ 040µ 0µ KEQ A KEQ B KEQ A KEQ B KEQ 3222A KEQ 3222B KEQ 36A KEQ 4128A KEQ 5032A HEQ(High Flux EQ Core), SEQ(Sendust EQ core) and customized designs are also available.

89 Magnetic Powder Cores 085 Features Applications ER II CORES Round Center Leg High Flux, Mega Flux Available Good Temperature Stability No Bulk Gap Rectangular Winding is Possible (DCR Reduction) High Current, Low Inductance Applications Hybrid, Electrical Vehicles PFC Chokes Output Chokes SPECIAL MAGNETIC POWDER CORES Product Identification RH B 0 Permeability :µ Available perm., 40, µ Height Width : 22mm Available size : 11mm~ 28mm Length : 32mm Available size : mm~ 42mm High Flux ER Core RK : MEGA FLUX RH11A RH23A RH18A RH18B RH30A RH30B RH3222A RH3222B RH3222C RH3624A RH3624B RH42A Dimensions Path Cross AL value (nh/n 2 ) 12% Section Weigth Length Area A B C D E F (g) (cm) (cm 2 ) 0µ 040µ 0µ RH42B RH4628A

90 086 Chang Sung Corporation SPECIAL MAGNETIC POWDER CORES U CORES Features Applications Large energy storage capacity No magnetic flux leakage Good temperature stability Low core loss at high frequencies High inductance choke coils Flyback transformers Multiple circuit choke coils Output chokes for SMPS Product Identification UK C 0 Permeability :µ Available perm., 40, µ Height of U core Width : 41mm Available size : 36mm~ 65mm Length : 41mm Available size : 35mm~79mm Mega Flux U core UH : High Flux, US : Sendust A B Dimensions C D E F Path Length (cm) Cross Section Area(cm 2 ) AL value (nh/n 2 ) 12% 0µ 040µ 0µ UK3536A UK3536B UK41A UK41B UK41C UK51A UK51B UK6361A UK6361B UK7965A UK7965B UH(High Flux U Core), US(Sendust U Core) and customized designs are also available.

91 Magnetic Powder Cores 087 WASHER CORES Features Applications High permeability powder cores Low core loss at high frequencies High efficiency washer cores Minimum magnetic flux leakage Excellent DC bias characteristics Good temperature stability Large energy storage capacity Choke coils for mobile phones Inductors for handheld devices Power inductors for PDA, LCD SPECIAL MAGNETIC POWDER CORES Product Identification DM P Parylene C coated Height : 1.2mm Available HT 0.8mm~ 1.2mm OD size : 4.6mm Available size : 3.5mm~ 6.3mm Washer Core DM : Washer MPP Core Core Dimensions Before Finish OD ID HT AL value (nh/n 2 ) 12% Path Length (cm) Typical Inductance L@ 0A, T(μH) Recommended Inductance L(μH) at 0A DM 3508P DM 3510P , 4.7, 6.8,10 DM 3908P DM 3910P DM 3912P , 4.7, 6.8, 10,15, 22 DM 4610P DM 4612P DM 46P , 4.7, 6.8, 10,15, 22 DM 6310P DM 6312P , 6.8,10,15, 22, 33, 47, 56

92 088 Chang Sung Corporation SPECIAL MAGNETIC POWDER CORES BIG TOROIDAL CORES Features Applications Excellent DC bias characteristics Near zero magnetostriction coefficient constant Good temperature stability Power factor correction(pfc) circuits Power inductors for large currents AC Reactors for inverters Product Identification CS 16 0 E Epoxy coated E : Epoxy, C : Plastic case, U : uncoated Perm. : µ Height : mm Available perm., 50,,1µ Available HT 13.6mm~ 40.6mm OD size : 165mm Sendust Core Available size : 101.6mm~ 165.0mm CM : MPP, CH : High Flux, CK : Mega Flux HS : HS CSC big toroidal cores produced by a 3000 ton press are ideal for high current applications, especially in UPS, renewable energy(solar/wind), high power industrial power systems. The maximum diameter is 165mm(6.5 )OD and the electrical characteristics are the same as small toroidal cores. CSC cores are the world s biggest and strongest on the market today. CS1013 CS1016 CS1027 CS1033 CS13 CS13 CS1333 CS1340 CS16 Before Finish Dimensions After Finish Dimensions Path Cross AL value (nh/n Weight ) 8% Length Section (g) Area OD Max ID Min HT Max OD Max ID Min HT Max (cm) (cm 2 ) 0µ 0µ 1µ CM(MPP core), CH(High Flux core), CK(Mega Flux core) and customer specifications are also available.

93 Magnetic Powder Cores MAGNETIC POWDER CORES NOTES 089

94 090 MAGNETIC POWDER CORES NOTES Chang Sung Corporation

95 Magnetic Powder Cores 091 Terminology A L Value (nh/n 2 ) The inductance (nanohenries) of a core for 1 turn winding. It is measured at peak AC flux density of 10 gauss and frequency of 10kHz. 1nH/N 2 = 1mH/(1000turns) 2 Ambient Temperature Temperature surrounding the devices or circuits. The ambient temperature is measured at 0.5inch(1.27cm) away from the devices or circuits. Attenuation The ratio of output parameter (voltage, current, power, etc.) to input parameter. Unit is [db]. In the case of power, db is10log (output power / input power). In the case of current and voltage, db is log (output current /input current), log (output voltage / input voltage) respectively. Coercive Force (Hc) Refer to Hysteresis Curve. CommonMode Noise Electrical interference that is common to both lines in relation to the ground. Copper Loss [watts] The power loss (I 2 R) or heat generated by current (I) flowing in a winding with resistance (R). Core loss [watts] Core loss is composed of eddy current loss, hysteresis loss and residual loss. Refer to Magnetic Design Formulae. frequency. An inductor which has a smaller distributed capacitance extends a much higher self resonant freguency. So the inductor should be wound to have as small a distributed capacitance as possible. Eddy Current When a varying electric or magnetic field passes through the conducting material, current which opposes the change of field is induced in it. This current is called eddy current. Because a conducting material has electric resistance, the eddy current results in heat loss. This is referred to as the eddy current loss. Metal Powder Figure 1. Eddy Current in Powder Cores Ceramic Layers Eddy Current Effective Permeability (µe) Refer to Permeability. EMI The acronym for Electromagnetic Interference is EMI. Generally, EMI refers to unnecessary electrical energies such as noise. EMC Electromagnetic Compatibility Hysteresis Curve (BH Loop) Cross Sectional Area (A) The effective cross sectional area of a core available for magnetic flux. The cross sectional area listed for toroidal cores is based on bare core dimensions. Curie Temperature, Tc [ ] The transition temperature above which a core loses its ferromagnetic properties. Usually defined as the temperature at which falls to 10% of its room temperature value. μi DC Resistance [Ω] Resistance of winding when AC current is not applied. Differential Mode Noise Electrical interference that is not common to both lines but is present between both lines. This is also known as normal mode noise. Figure 2. BH Loop Disaccommodation The proportional change of permeability after a disturbance of a magnetic material. It is measured at a constant temperature over a given time interval. When the magnetic material is taken through a complete cycle of magnetization and demagnetization, the magnetic flux density in that material behaves irreversibly according to the change of the magnetizing force. Distributed Capacitance In an inductor, each winding behaves as a capacitor having the distributed capacitance. Distributed capacitance is parallel with inductance in the circuit and causes selfresonance at a certain The results are as shown in Figure 2. As H is increased in the neutral magnetic material, flux density B increases along the dashed line (initial magnetization curve) to the saturation point, Bs.

96 092 Chang Sung Corporation Terminology When H is now decreased, the BH loop transverses a path to Br (remanent flux density), where H is zero and the core is still magnetized. The magnetizing force H is now reversed to give a negative value. The magnetizing force required to reduce the flux Br to zero is called the coercive force(hc). Along the initial magnetization curve, B increases from the origin nonlinearly with H until the material saturates. In practice, the magnetization of a core in an excited inductor never follows this curve because the core is never in a totally demagnetized state when the magnetizing force is first applied. Flux Density, Magnetic Induction, B [Gauss ; Tesla] The corresponding parameter for the induced magnetic field in an area perpendicular to the flux path. Flux density is determined by the field strength and permeability of the medium in which it is measured. 1T=10 4 Gauss Incremental Permeability(Δµ) Refer to Permeability. Inductor A passive device that prevents a variance of the current. Magnetic flux is induced in the inductor when current flows through the inductor, and the voltage induced by magnetic flux prevents the change of current. Induced voltage ξ = L di/dt. Initial Permeability(µi) Refer to Permeability. Leakage Flux Leakage flux is the small fraction of the total magnetic flux in a transformer or common mode choke that does not contribute to the magnetic coupling of the windings of the device. The presence of leakage flux in a transformer or common mode choke is modeled as a small "leakage" inductance in series with each winding. In a multiwinding choke or transformer, leakage inductance is the inductance measured at one winding with all other windings short circuited. Litz Wire A wire made by twisting and bundling some insulated wire. It can decrease the copper loss at high frequency by reducing the skin effect. Normal Mode Noise Refer to Differential Mode Noise. Noise Unnecessary electrical energy that rises in a circuit. Operating Temperature Range The temperature at which a device can be operated normally. Above this temperature, the characteristics of the device can become inferior or the device may operate abnormally. In the case of the inductor, this temperature refers to the temperature rise by the copper loss or core loss. Refer to temperature rise. Permeability(µ) In magnetics, permeability is the ability of a material to conduct flux. The magnitude of the permeability at a given induction is a measure of the ease with which a core material can be magnetized to that induction. It is defined as the ratio of the flux density B to the magnetizing force H. Permeability : µ = B/H [Gauss/Oersted] The slope of the initial magnetization curve at any given point gives the permeability at that point. Permeability can be plotted against a typical B H curve as shown in Figure 3 Permeability is not constant, therefore its value can be stated only at a given value of B or H. There are many different kinds of permeability. Absolute Permeability(µ o) Permeability in a vacuum Initial Permeability(µi) Slope of the initial magnetization curve at the origin, that is, the value of permeability at a peak AC flux density of 10 gauss (1 millitesla). Figure 3. Variation of μ along the Magnetization Curve Magnetic Hysteresis Refer to Hysteresis Loop. µ= B/H (Figure 4) Magnetizing Force, H [Oe ; A/m] The magnetic field strength which produces magnetic flux. The mmf per unit length. H can be considered to be a measure of the strength or effort that the magnetomotive force applies to magnetic circuit to establish a magnetic field. H may be expressed as H=NI/l, where l is the mean length of the magnetic circuit in meters. 1 oersted=79.58a/m Mean Magnetic Path Length(l) The effective magnetic path length of a core structure (cm). Refer to Magnetic Design Formulae. Figure 4. Initial Permeability Incremental Permeability(Δµ) The slope of the magnetization curve for finite values of peaktopeak flux density with superimposed DC magnetization (Figure 5). Initial permeability can be thought of as incremental permeability with 0 DC magnetization at small inductions. The incremental permeability is expressed as the slope of the BH characteristic at around the given operating point.

97 Magnetic Powder Cores 093 Terminology Δμ = ΔB ΔH Effective Permeability(μe) If a magnetic circuit is not homogeneous(i.e. contains an air gap), the effective permeability is the permeability of a hypothetical homogeneous(ungapped) structure of the same shape, dimensions, and reluctance that would give the inductance equivalent to the gapped structure. Relative Permeability(μr) Permeability of a material relative to that of free space. Maximum permeability(μmax) The slope of a straight line drawn from the origin tangent to the curve at its knee. (Figure 6) Figure 5. Incremental Permeability arises between wires and between wires and cores is parallel with inductance in circuits. Above the self resonant frequency, the capacitive reactance is dominant and the inductor works like the capacitor. Skin Effect As the frequency is higher, the current flow is limited to the surface of the wire because the magnetic field in the center of the wire increases. The depth from the wire surface at which the current density at the wire surface decreases by 1/e (37%) is called "skin depth", and this is determined by the conductivity of the wire. As the frequency is higher, skin depth decreases, the reactance of wire increases and current flow is interfered. Litz wire may be used in order to decrease the skin effect. Storage Temperature Range Temperature range in which the characteristics of a device can be preserved. Remanence, Br [Gauss ; Tesla] Refer to Hysteresis Curve. Saturation The point at which the flux density B in a magnetic material does not increase with further applications of greater magnetization force H. At saturation, the slope of a material's BH characteristic curve becomes extremely small, with the instantaneous permeability approaching that of free space. (relative permeability = 1.0) Figure 6. Maximum Permeability Saturation Flux Density, Bs [Gauss ; Tesla] The maximum intrinsic induction possible in a material. This is the flux level at which additional Hfield produces no additional Bfield. Rated Current Continuous DC current that can flow in the inductor. It is determined by the maximum temperature rise at the maximum storage temperature range. As rated current is related to power loss of the inductor, DC resistance of the inductor should be lowered or the inductor size should be increased in order to increase the rated current. Temperature Rise(ΔT) The increase in surface temperature of a component in freestanding air due to the total power dissipation (both copper and core loss). Approximate temperature rise is as follows ; Saturation Current The current at which the inductance decreases below a critical percent inductance (10% or % of the initial inductance) by applying DC current to an inductor. In general the critical percent inductance is 10% for ferrite cores and % for metal powder cores. The decrease of inductance is caused by the magnetic characteristics of cores. Cores can store a certain amount of flux density, but above that flux density the permeability and inductance of the cores decrease. Total Power Dissipation(Miliwatts) ΔT( ) = Surface Area( cm2 ) Total Power Dissipation= Copper Losses + Core Losses Self Resonant Frequency, SRF The frequency at which the resonance appears between distributed capacitance and inductance of an inductor. At this frequency, inductance and capacitance are canceled out and the inductor is almost a resistor having high impedance. Distributed capacitance that

98 094 MAGNETIC POWDER CORES NOTES Chang Sung Corporation

99 Magnetic Powder Cores 095 RESEARCH & DEVELOPMENT Chang Sung Corporation has become a global leader through its outstanding R&D center, which is constantly striving to develop new technologies and products. In particular, CSC magnetic powder cores have raised the company s profile and competitiveness in the world market.

100 096 RESEARCH AND DEVELOPMENT Chang Sung Corporation THE CSC PRODUCT LINE IS CONSTANTLY EVOLVING AND IMPROVING THROUGH OUR HIGHLY ADVANCED R&D CENTER EQUIPPED WITH THE MOST MODERN RESEARCH FACILITIES. EQUIPMENT BH Analyser BH Loop Tracer DC Bias Tracer Precision LCR Meter AC Power Supply Electrical Load Oscilloscope Puncture Tester Vibrating Sample Magnetometer (VSM) PFC Test Kit Impedance Analyser Scanning Electron Microscope (SEM) Optical Microscope Laser Particle Size Analyser Specific Surface Area Analyser (BET) Oxygen / Nitrogen Analyser Atomic Absorption Spectrophotometer Heat Treating Furnaces Optical Emission Spectrometer Electrolysis Analyser Thermal Analysis Equipment (DSC, TG, DTA) Constant Temperature & Humidity Chamber Universal Testing Machine (UTM) Hardness Testers, etc. VSM AC Power Supply SEM BET BH LOOP Anechoic Chamber LCR

101 INNOVATIVE TECHNOLOGICAL ADVANCEMENTS SPECIAL SHAPED MAGNETIC POWDER CORES