TDK变压器磁芯参数表.pdf

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Introduction

TDK Ferrite Cores in Switching Power Supplies(Single forward converter)

Selected Items of Legend

Material Characteristics

MATERIAL CHARACTERISTICS(for Transformer and Choke)

MATERIAL CHARACTERISTICS(for Common mode Choke)

MATERIAL CHARACTERISTICS(for Telecommunication)

Initial Permeability vs. frequency Characteristics

Relative Loss Factor vs. frequency Characteristics

Magnetization Curves (Typical)

Core loss (Typical)

Temperature Dependence of Core loss (Typical)

Magnetization Curves (Typical)

Initial Permeability vs. Temperature Characteristics (Typical)

Low Loss Ferrite Material

PC47

PC45 and PC46

High Saturation Flux Density Material

PC33

Low THD Materials

DN40 and DN70

E Cores

EI Cores

EE and EF Cores

EE and EI Bobbins

EER Cores

EER Bobbins

ETD and EC Cores

ETD and EC Bobbins

Original TDK Cores

PQ Cores

PQ Bobbins

LP Cores and Bobbins

EPC Cores

EPC Bobbins and Accessories

EP Cores and Bobbins

RM Cores

RM Bobbins

SMD Cores

SMD Cores and Bobbins

ET, UU and FT Cores

ET Cores

UU Cores

FT Cores

Toroidal Cores

For Common mode choke

For General Use

Technical Data

EI12.5 Cores(JIS FEI 12.5)

EI16 Cores(JIS FEI 16)

EI19 Cores

EI22 Cores

EI22/19/6 Cores(JIS FEI 22)

EI25 Cores

EI28 Cores(JIS FEI 28)

EI30 Cores(JIS FEI 30)

EI33/29/13 Cores

EI35 Cores(JIS FEI 35)

EI40 Cores(JIS FEI 40)

EI50 Cores(JIS FEI 50)

EI60 Cores(JIS FEI 60)

EE10/11 Cores(JIS FEE 10.2)

EE13 Cores

SEE16 Cores

EE20/20/5 Cores(DIN 41295)

EE25/19 Cores(EE-24/25)

EE30/30/7 Cores(DIN 41295)

EE42/42/15 Cores(DIN 41295)

EE55/55/21 Cores(DIN 41295)

EE50.3/51/6 Cores

EE62.3/62/6 Cores

EER25.5 Cores(JIS FEER 25.5A)

EER28 Cores(JIS FEER 28.5A)

EER28L Cores(JIS FEER 28.5B)

EER35 Cores(JIS FEER 35A)

EER40 Cores

EER42 Cores(JIS FEER 42)

EER42/42/20 Cores

ETD19 Cores

ETD24 Cores

ETD29 Cores

ETD34 Cores

ETD39 Cores

ETD44 Cores

ETD49 Cores

PQ20/16 Cores

PQ20/20 Cores

PQ26/20 Cores

PQ26/25 Cores

PQ32/20 Cores

PQ32/30 Cores

PQ35/35 Cores

PQ40/40 Cores

PQ50/50 Cores

LP23/8 Cores

LP22/13 Cores

LP32/13 Cores

RM4 Cores

RM5 Cores

RM6 Cores

RM8 Cores

RM10 Cores

RM12 Cores

RM14 Cores

EPC10 Cores

EPC13 Cores

EPC17 Cores

EPC19 Cores

EPC25 Cores

EPC25B Cores

EPC27 Cores

EPC27N Cores

EPC30 Cores

Maximum Number of Turns on Bobbins

Wire Table

PART I PART II CONTENTS Introduction .............................................................................. TDK Ferrite Cores in Switching Power Supplies...................... Selected Items of Legend ........................................................ Material Characteristics ........................................................... 3 4 5 6 21 E Cores ................................................................................... 22 EI Cores................................................................................... 24 EE and EF Cores..................................................................... 28 EE and EI Bobbins................................................................... 32 EER Cores............................................................................... 34 EER Bobbins ........................................................................... 36 ETD and EC Cores .................................................................. 38 ETD and EC Bobbins............................................................... 41 Original TDK Cores................................................................ 42 PQ Cores ................................................................................. 44 PQ Bobbins.............................................................................. 46 LP Cores and Bobbins............................................................. 48 EPC Cores............................................................................... 50 EPC Bobbins and Accessories ................................................ 52 EP Cores and Bobbins ............................................................ 55 RM Cores ................................................................................ 56 RM Cores................................................................................. 58 RM Bobbins ............................................................................. 61 SMD Cores.............................................................................. 62 SMD Cores and Bobbins ......................................................... 65 ET, UU and FT Cores ............................................................. 66 ET and UU cores ..................................................................... 67 FT Cores.................................................................................. 69 T Cores ................................................................................... 70 Toroidal Cores (For Common Mode Choke)............................ 72 Toroidal Cores (For General Use) ........................................... 77 Technical Data ....................................................................... 78 EI Cores................................................................................... 91 EE Cores ................................................................................. EER Cores............................................................................... 101 ETD Cores ............................................................................... 108 PQ Cores ................................................................................. 115 LP Cores.................................................................................. 124 RM Cores................................................................................. 127 EPC Cores............................................................................... 134 Maximum Number of Turns on Bobbins.............................. 143 Wire Table ............................................................................... 147 The information included in this book is subject to change without notice resulting from technical developments and product improvements. Specifications which provide more details for the proper and safe use of the described product are available upon request. 1

Introduction Since its outset in 1935, in the wake of the invention of ferrite, TDK has aimed to develop its world leading electronic technology in both material development and production. This accumulated expertise in fine structural control technology has resulted in high performance ferrite components. These components have recently been in greater demand for electronic equipment requiring reduction in size and weight. TDK Ferrite Division engineers have successfully explored every avenue of high performance ferrites, aiming to produce self- contained energy sources for microelectronic equipment. To this end, TDK has developed high frequency power ferrite, such as PC33,PC40,PC44,PC45,PC46,PC47 and PC50 that are identifiable by their excellent magnetic characteristics. It is these high reliability ferrite components that have largely contributed to reducing the size of switching power supplies and DC to DC Converters for micro- electronic equipment. Other TDK endeavors deserving mention are ferrite for EMI filters and common mode chokes with excellent frequency characteristics. Not only have TDK’s researchers overcome the theoretical limiting value of the high µ material’s operating fre- quency, but they have also succeeded in developing a new material HS72 and HS10 those are characterized by its high impedance at high frequencies. In order for you to take full advantage of these and other materials shown in this booklet, TDK has developed a range of cores and accessories to meet the need for miniature high per- formance switching power supplies and DC to DC Converters. TDK offers a comprehensive range of materials and core shapes to meet all of your power requirements. 3

TDK Ferrite Cores in Switching Power Supplies (Single forward converter) Common mode choke coil Active filer choke coil Main power transformer Smoothing choke coil AC input EMI/RFI filter PFC Active filter Output rectifier smoothing circuit DC output Auxiliary power circuit Power switch circuit Control circuit Auxiliary power transformer Drive Transformer Current transformer Notes: LP and EPC cores are ideal for use in thin transformers. LP cores are available in .5 and .7 inches in height (when mounted). EP cores are available in .5 and .65 inches in height (when mounted). 4

Selected Items of Legend Σ A Core constant mm–1 Effective cross-sectional area, mm2 Effective magnetic path length, mm Effective core volume mm3 Cross-sectional center leg/pole area, mm2 C1= Ae e Ve Acp Acp min. Minimum cross-sectional center pole area, mm2 Acw Aw w t W D H Cross-sectional winding area of core, mm2 Cross-sectional winding area of bobbin, mm2 Average length of turns around bobbin, mm Minimum thickness of bobbin inside which core is placed, including flanges, mm Bobbin-core assembly dimensions Bobbin-core assembly dimensions Bobbin-core assembly dimensions H D H D W W 5

Material Characteristics Table 1 MATERIAL CHARACTERISTICS(for Transformer and Choke) Material Initial permeability Amplitude permeability µi µa 25kHz sine wave 100kHz sine wave 25kHz sine wave 100kHz sine wave 25°C 60°C 100°C 120°C 25°C 60°C 100°C 120°C 25°C 60°C 100°C 120°C 25°C 60°C 100°C 120°C 25°C 60°C 100°C 120°C 25°C 60°C 100°C 120°C 25°C 60°C 100°C 120°C 25°C 60°C 100°C 120°C 25°C 60°C 100°C 120°C 25°C 60°C 100°C 120°C Core loss volume density (Core loss)∗ [B=200mT] Pcv kW/m3 Saturation magnetic flux density∗ [H=1194A/m] Bs mT Remanent flux density∗ Br mT A/m °C kg/m3 Ω m Coercive force∗ Curie temperature Density∗ Electrical resistivity∗ ∗ Average value ∗∗ 500kHz, 50mT Material Initial permeability Amplitude permeability Hc Tc db ρv µi µa Core loss volume density (Core loss)∗ [B=200mT] Pcv kW/m3 Saturation magnetic flux density∗ [H=1194A/m] Bs mT Remanent flux density∗ Br mT Coercive force∗ Curie temperature Density∗ Electrical resistivity∗ ∗ Average value Hc Tc db ρv A/m °C kg/m3 Ω m PC40 2300±25% 3000 min. 120 80 70 85 600 450 410 500 510 450 390 350 95 65 55 50 14.3 10.3 8.8 8 >215 4.8×103 6.5 PC44 2400±25% 3000 min. PC47 2500±25% PC50 1400±25% 600 400 300 380 510 450 390 350 110 70 60 55 13 9 6.5 6 >215 4.8×103 6.5 600 400 250 360 530 480 420 390 180 100 60 60 13 9 6 7 >230 4.9×103 4.0 130∗∗ 80∗∗ 80∗∗ 110∗∗ 470 440 380 350 140 110 98 100 36.5 31.0 27.2 26.0 >240 4.8×103 30 PC45 2500±25% PC46 3200±25% PC33 1400±25% 570 250(75°C) 460 650 530 480 420 390 120 80 80 110 12 9 8 9 >230 4.8 3.0 350 250(45°C) 660 760 520 470 410 380 80 80 130 140 10 9 10 9 >230 4.8 3.0 1100 800 600 680 520 490 440 420 220 150 100 100 23 17 14 14 >290 4.8 2.5 6

Material Characteristics Table 2 MATERIAL CHARACTERISTICS(for Common mode Choke) Material HS52 Initial permeability Relative loss factor∗ Saturation magnetic flux density∗ [H=1194A/m] Remanent flux density∗ Coercive force∗ Curie temperature Density∗ Electrical resistivity∗ ∗ Average value µi tanδ/µi Bs Br Hc Tc db ρv ×10–6 mT mT A/m °C kg/m3 Ω m 25°C 25°C 25°C MATERIAL CHARACTERISTICS(for Telecommunication) Material Initial permeability µi Relative loss factor Temperature factor of initial permeability Saturation magnetic flux density∗ [H=1194A/m] Remanent flux density∗ Coercive force∗ Curie temperature Hysteresis material constant Disaccommodation factor Density∗ Electrical resistivity∗ ∗ Average value Material Initial permeability Relative loss factor Temperature factor of initial permeability Saturation magnetic flux density∗ [H=1194A/m] Remanent flux density∗ Coercive force∗ Curie temperature Hysteresis material constant Disaccommodation factor Density∗ Electrical resistivity∗ ∗ Average value tanδ/µi ×10–6 αµir ×10–6 Bs Br Hc Tc ηB DF db ρv µi tanδ/µi αµir Bs Br Hc Tc ηB DF db ρv mT mT A/m °C 10–6 mT ×10–6 kg/m3 Ω m ×10–6 ×10–6 mT mT A/m °C 10–6 mT ×10–6 kg/m3 Ω m 5500±25% 10(100kHz) 410 70 6 >130 4.9×103 1 H5A 3300 +40% –0% <2.5(10kHz) <10(100kHz) –0.5 to 2.0 –0.5 to 2.0 410 100 8.0 >130 <0.8 <3 4.8×103 1 HP5 5000±20% <3.5(10kHz) –30 to +20°C 0 to 20°C 20 to 70°C 25°C 25°C 25°C –30 to +20°C 0 to 20°C 20 to 70°C ±12.5% ±12.5% 25°C 25°C 25°C 400 65 7.2 >140 <0.4 <3 4.8×103 0.15 HS72 7500±25% (2000min. at 500kHz) 30(100kHz) HS10 10000±25% 30(100kHz) 410 80 6 >130 4.9×103 0.2 380 120 5 >120 4.9×103 0.2 H5B2 H5C2 H5C3 7500±25% 10000±30% 15000±30% <6.5(10kHz) <7.0(10kHz) <7.0(10kHz) 0 to 1.8 0 to 1.8 420 40 5.6 >130 <1.0 <3 4.9×103 0.1 –0.5 to 1.5 –0.5 to 1.5 –0.5 to 1.5 –0.5 to 1.5 400 90 7.2 >120 <1.4 <2 4.9×103 0.15 360 105 4.4 >105 <0.5 <2 4.95×103 0.15 DN40 4000±25% <2.5(10kHz) –0.5 to 2.0 –0.5 to 2.0 405 95 8.0 >130 <0.8 <3 4.8×103 1.0 DN70 7500±25% <2.0(10kHz) –0.5 to 1.5 –0.5 to 1.5 390 45 3.5 >105 <0.2 <2.5 5.0×103 0.3 7

Material Characteristics µi vs. frequency Characteristics tanδ/µi vs. frequency Characteristics i µ 10 5 10 4 10 3 10 2 1 H5C3 HS10 HS72 HS52 PC44 PC40 PC50 HS52 PC40 PC44 PC50 H5C3 HS10 HS72 10–3 10–4 i µ / δ n a t 10–5 10 102 Frequency(kHz) 103 104 10–6 1 10 102 Frequency(kHz) 103 104 Magnetization Curves (Typical) Material: PC40 Material: PC44 ( ) T m B y t i s n e d x u F l 500 400 300 200 100 0 0 25˚C 60˚C 100˚C 120˚C 800 Magnetic field H(A/m) 1600 25˚C 60˚C 100˚C 120˚C 800 Magnetic field H(A/m) 1600 25˚C 60˚C 80˚C 100˚C 120˚C 800 Magnetic field H(A/m) 1600 ( ) T m B y t i s n e d x u F l 500 400 300 200 100 0 0 Material: PC50 ( ) T m B y t i s n e d x u F l 500 400 300 200 100 0 0 8

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