Material

东磁 MnZn 铁氧体材料主要应用 Application Area Frequency Range Material Main Features μi Bs Bs 1 Pcv Pcv 1 Tc( ) <.5MHz DMR24 High Bs 2 54 mt 46 mt 8 kw/m 3 445 kw/m 3 >28 <.2MHz DMR28 High Bs 16 6 mt 49 mt 125 kw/m3 135 kw/m3 >28 <.5MHz DMR91 High Bs and low loss 2 55 mt 46 mt 7 kw/m 3 3 kw/m 3 >28 <.3MHz DMR4 Low loss 23 51 mt 39 mt 6 kw/m 3 41 kw/m 3 >215 <.4MHz DMR44 Low loss 24 51 mt 4 mt 6 kw/m 3 3 kw/m 3 >215 Medium frequency Transformers Power inductors Chokes <.4MHz DMR47 Low loss 25 53 mt 42 mt 6 kw/m 3 28 kw/m 3 >23 <.4MHz DMR95 Low loss and wide Temp. 33 53 mt 41 mt 35 kw/m 3 32 kw/m 3 >215 <.4MHz DMR95L Low loss and wide Temp. 33 53 mt 41 mt 32 kw/m 3 29 kw/m 3 >215 <.4MHz DMR95B Low loss & wide Temp. 33 54 mt 45 mt 35 kw/m 3 3 kw/m 3 >23 &High Bs <.4MHz DMR96 Low loss with wide temperature range 33 54 mt 43mT 29 kw/m3 28 kw/m3 >215 <.6MHz DMR96A Low loss with wide temperature range 35 54 mt 43mT 29 kw/m3 28 kw/m3 >215.5-1MHz DMR5 Low loss at high frequency 14 47 mt 38 mt *13 kw/m 3 *8 kw/m 3 >24 High frequency transformers Power inductors Chokes 1-2MHz DMR51 Low loss at high frequency 9 5 mt 41 mt **8 kw/m 3 **8 kw/m 3 >29 2-4MHz DMR52 Low loss at high frequency 6 5 mt 43 mt ***3 kw/m 3 ***1 kw/m 3 >22 1-3MHz DMR51W Low loss at high frequency 9 5 mt 43 mt **4 kw/m 3 **4kw/m 3 >28 High Q inductors <.1MHz DMR7 High Q material for filter inductor 23 42 mt 31 mt >17 ISDN transformers <.5MHz DMR71 High Bs for telecommunication 38 55 mt 435 mt >255 XDSL transformers Wide temperature range LAN transformers <.5MHz DMR73 (-4~85 ) 42 47 mt >16 with super DC bias <.5MHz R4k 43 45 mt >15 <.3MHz R5k 5 43 mt >14 Broadband transformers Pulse transformers Delay lines <.2MHz R7k 7 42 mt >125 <.2MHz R1k 1 4 mt >12 <.3MHz R1kZ 1 >4mT >12 <.1MHz R12k 12 38 mt >11 <.1MHz R15k 15 36 mt >11 Notes: * testing condition: 5kHz/5mT; ** testing condition: 1MHz/3mT; *** testing condition: 3MHz/1mT; **** testing condition: 4kHz/5mT. 1

Initial Permeability (μ i ) 低损耗 MnZn 铁氧体材料 Parameter Unit DMR4 DMR44 DMR47 DMR4B Initial permeability 23±25% 24±25% 25±25% 3±25% Saturation magnetic Flux density (f=5hz H=1194A/m) Residual magnetic fulx density mt 51 51 52 52 1 mt 39 4 41 4 mt 95 11 16 12 1 mt 55 6 5 95 Coercive Force A/m 14 15 1 12 1 A/m 9 6 6 1 mw/cm 3 6 6 6 9 ** Core loss 1kHz/2mT 6 mw/cm 3 45 4 4 75 ** 1 mw/cm 3 41 3 28 75 ** 12 mw/cm 3 5 38 38 95 ** Curie temperature >215 >215 >25 >225 Density g/cm 3 4.8 4.8 4.8 4.8 ** At 25 khz/2mt 8 6 DMR4 DMR44 DMR47 DMR4B 4 2-5 5 1 15 2 25 3 Temperature( ) 2

Flux Density Bs(mT) Power Loss (mw/cm 3 ) 12 9 6 DMR4 DMR44 DMR47 DMR4B 3-4 4 8 12 16 55 5 45 DMR4 DMR44 DMR47 DMR4B 4 35 2 4 6 8 1 12 14 Temperature( ) 3

宽温低损耗 MnZn 铁氧体材料 Parameter Unit DMR25 DMR95 DMR95L DMR95B DMR96 DMR96A Initial permeability 18±25% 33±25% 33±25% 33±25% 33±25% 35±25% Saturation magnetic Flux density (f=5hz H=1194A/m) Residual magnetic fulx density mt 52 53 53 54 535 54 1 mt 43 41 41 45 43 43 mt 2 85 85 75 9 9 1 mt 9 55 55 5 7 7 Coercive Force A/m 16 9 9 1 1 1 1 A/m 1 9 9 8 9 9-2 mw/cm 3 - - - - 36 - mw/cm 3 - - 36-32 - mw/cm 3 7 35 32 35 29 27* Core loss 1kHz/2mT 6 mw/cm 3 - - - 27 26* 8 mw/cm 3 45 28-27 26* 1 mw/cm 3 4 31 29 3 28 27* 12 mw/cm 3 35 35 35 36 32 3* 14 mw/cm 3 35 - - 37 - Curie temperature >24 >215 >215 >23 >215 >215 Density g/cm 3 4.9 4.9 4.9 4.9 4.9 4.8 * At 3kHz/1mT 6 DMR25 DMR95 DMR95B 5 DMR96 DMR96A Initial Permeability (μ i ) 4 3 2 1-8 -4 4 8 12 16 2 24 28 4

Flux Density Bs (mt) Power Loss Pcv (mw/cm 3 ) 9 8 7 6 DMR25 DMR95 DMR95B DMR96 DMR96A 5 4 3 2 1-4 -2 2 4 6 8 1 12 14 16 6 55 5 DMR25 DMR95 DMR95B DMR96 DMR96A 45 4 35 2 4 6 8 1 12 14 5

高饱和磁通密度 MnZn 铁氧体材料 Material DMR24 DMR28 DMR91 Initial permeability µ i 2±25% 2±25% 2±2% Saturation magnetic Bs(mT) 54 6 54 flux density (1194A/m ) 1 46 49 46 Remanence Br(mT) 18 15 2 1 65 25 62 Coercive force Hc(A/m) 13 19 11 1 11 18 4.2 75 78 7 core loss Pcv (mw/cm 3 ) 6 / 94 47 (1kHz/2mT) 1 445 114 3 12 / 121 42 Curie temperature Tc( ) >28 3 29 Resistivity ρ(ω m) 8 6 Density d(g/cm 3 ) 4.9 >4.9 4.9 45 Initial Permeability (μ i ) 4 35 3 25 2 15 1 DMR24 DMR28 DMR91 5-4 4 8 12 16 2 24 28 32 6

Flux Desity Bs (mt) Power loss Pcv (mw/cm 3 ) 14 12 1 8 DMR24 DMR28 DMR91 6 4 2 2 4 6 8 1 12 14 16 7 6 DMR24 DMR28 DMR91 5 4 3-25 25 5 75 1 125 15 7

高 µ i 高 Q MnZn 铁氧体材料 Parameter 项目 Initial permeability 初始磁导率 (T=25ºC) Saturation magnetic Flux density 饱和磁感应强度 (H=1194A/m,f=5Hz) Symbol Unit 符号单位 DMR7 DMR71 DMR73 µ i 23±25% 38±25% 42±25% Bs(25ºC) 42 55 47 mt Bs(1ºC) 31 435 Residual magnetic flux density 剩磁 Br(25ºC) 6 12 45 mt Br(1ºC) 5 18 Relative loss factor 比损耗因子 Curie temperature 居里温度 Density(typical values) 密度 Relative temperature coefficient 比温度系数 Hysteresis material constant 比磁滞损耗系数 1 khz 1-6 <4 1 <3.5 1 khz 1-6 <6 2 <1 Tc ºC >17 >255 >16 kg/m 3 4.8 1 3 4.85 1 3 4.9 1 3.3~1.3 4.44 α μ 1-6 / (5 ~) (5 ~).3~1.3-2.22 (~55 ) (~55 ) η B 1-6 /mt <.4 <.3 8

Flux Density Bs(mT) Initial Permeability (μ i ) 8 7 6 DMR7 DMR71 DMR73 5 4 3 2 1-8 -4 4 8 12 16 2 24 28 6 55 5 DMR7 DMR71 DMR73 45 4 35 3 25 2 4 6 8 1 12 Temperature( ) 9

高磁导率 MnZn 铁氧体材料 Parameter 项目 R5K R7K R1K R1KZ R12K R15K ui Initial permeability 1kHz B<.25mT 5±25% 7±25% 1±3% 1±3% (1kHz) >9 (2kHz) 12±3% 15±3% tanδ/ui 1-6 B<.25mT <15. <3. <7. <7. <7. <7. Relative loss factor (1KHz) (1KHz) (1KHz) (1KHz) (1KHz) (1KHz) Bs(mT) Saturation flux density 43 42 4 38 38 36 Br(mT) Residual flux density 5Hz 1194A/m 14 11 1 6 1 1 Hc(A/m) Coercive force 8 7 6.5 5 6 5 α μr (1/ 1-6 ) Relative temperature coefficient 2 ~6 -.5~2. -.5~2. -.5~2. -.5~1.5 -.5~2. -.5~2. η B (/mt) Hysteresis material constant 1kHz 1.5~3mT <1.*1-6 <1.2*1-6 <1.4*1-6 <.2*1-6 <1.5*1-6 <2.*1-6 Tc( ) Curie temperature 14 125 12 12 11 12 d(g/cm 3 ) Density 4.85 4.9 4.9 4.9 4.9 4.9 1

Initial Permeability(μ i ) Initial Permeability (μ i ) 3 25 2 15 R5K R7K R1K R12K R15K R1KZ 1 5-6 -4-2 2 4 6 8 1 12 14 16 Temperature( ) 1 1 R5K R7K R1K R12K R15K R1KZ 1 1 1 1 1 Frequency(kHz) 11

高频低损耗 MnZn 铁氧体材料 特性 Characteristics DMR5 DMR51 DMR52 DMR51W 初始磁导率 i Initial Permeability 饱和磁通密度 Bs (mt) Saturation Magnetic Flux Density (H=1194A/m) 剩磁 Br (mt) Remanent Flux Density 矫顽力 Hc (A/m) Coercive Force 14 25% 9 25% 6 25% 9 25% 47 5 5 5 1 38 41 43 43 14 15 15 15 1 98 9 9 9 37 45 55 45 1 27 38 45 38 *13 **15 功率损耗 Pcv (mw/cm 3 ) Core Loss 6 *8 **14 1 *8 **3 ***9 **14 居里温度 Tc ( ) Curie Temperature >24 >28 >28 >28 密度 d (g/cm 3 ) Density 4.7 4.7 4.7 4.7 注 : 功率损耗测试条件 :*5kHz/5mT **1MHz/5mT *** 3MHz/3mT Initial Permeability μi 24 2 16 12 8 DMR5 DMR51 DMR52 DMR51W 4-5 5 1 15 2 25 3 Temperature( ) 12

Flux Density Bs(mT) Power Loss Pcv (mw/cm 3 ) 12 1 8 5kHz/5mT DMR5 DMR51 DMR52 DMR51W 6 4 2 2 3 4 5 6 7 8 9 1 11 55 5 DMR5 DMR51 DMR52 DMR51W 45 4 2 4 6 8 1 Temperature( ) 13