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磁环及磁芯


4.8×103
4.9×103
4.9×103
4.9×103
5.0×103
Note: The values were obtaind with toroidal cores at the room temperature unless otherwise shown.
注:若无特别说明,各项数值均采用环型磁芯,在室温下测得。
≤7 (10KHz)
≤7 (10KHz)
аμr
×10-6
-0.5~2.0 (20~60℃)
-0.5~2.0 (20~60℃)
-0.5~1.5 (20~60℃)
-0.5~1.5 (20~60℃)
-0.5~3.0 (20~60℃)
-0.5~2.0 (20~60℃)
Bs
mT 420
420
410
400
360
材料特性 1. 锰锌低功耗铁氧体材料特性.............. 1 2. 锰锌高磁导率铁氧体材料特性.......... 2 3. 低功耗材料
初始磁导率的频率特性...................... 3 初始磁导率的温度特性...................... 3 功率损耗的温度特性.......................... 4 4. 高磁导率材料 初始磁导率的频率特性...................... 5 初始磁导率的温度特性...................... 5 直流磁场下的B - H曲线..................... 6 磁芯尺寸 / 性能
Initial permeability vs. Frequency Initial permeability vs. Temperature Power loss vs. Temperature 4. High permeability matereial Initial Permeability vs. Frequency Initial Permeability vs. Temperature B - H Curves at Dc magnetic Field Ferrite cores Size / Characteristics 1. EE / EEL /EEW / EF CORES 2. EI CORES 3. UU / UI CORES 4. ET / FT CORES 5. RM CORES 6. EP CORES 7. EFD CORES 8. EPC CORES 9. PQ CORES 10. POT CORES 11. EER CORES 12. EIR CORES 13. I/C CORES 14. T(Toroidal) CORES
温度
M2.5K 直流磁场下的B-H特性 Static magnetization curves (Typical)
500 23℃
400
100℃ 300
200 25KHz(200mT)
100
0
-100 -20
0
20
40
60
80
Magnetic field H (A/m)
磁场强度
100 120
SHANGHAI FINE CORE ELECTRONICS SCIENCE & TECHNOLOGY CO.,LTD.
1000
100KHz
25KHz 100
10
1
10
100
1000
Flux density Bm (mT)
磁通密度
磁通密度 Flux density B(mT)
300
25KHz(200mT) 200
100
0 0 20 40 60 80 100 120 140 160 180
Temperature (℃)
1000
M2K
M3.5K M2.3K
M2.5K
初始磁导率 Initial permeability μi
初始磁导率 Initial permeability μi
100 10
100
Frequency f (KHz)
频率
1000
μi 温度特性 Permeability vs. Temperature (Typical)
510 390 110 65 16.5 10.0 120 85 95 700 570 600
>230
480 360 125 90 11.5 10.5 110 140 190
>200
6.0 4.8×103
6.5 4.8×103
9.0 4.8×103
1.0 4.8×103
SHANGHAI FINE CORE ELECTRONICS SCIENCE & TECHNOLOGY CO.,LTD.
功率损耗 Power loss Pcv(kw/m3)
600 100KHz(200mT)
500 0 0 20 40 60 80 100 120 140 160 180
Temperature (℃)
温度
M2.5K功率损耗的温度特性 Power loss vs. Temperature (Typical)
600 100KHz(200mT)
500
0 0 20 40 60 80 100 120 140 160 180
Temperature (℃)
温度
M2.5K功率损耗的磁通密度特性 Power loss vs. Fluxdensity (Typical)Leabharlann 10000 at 100℃
500KHz
200KHz
Mn Zn High Permeability Ferrite Material Characteristics 锰锌高磁导率铁氧体材料特性
MEGNETICS
Characteristics 材料特性
Initial Permeability 初始磁导率 Relative loss factor 相对损耗因数 Relative temperature Coefficient 相对温度系数 Saturation Flux density 饱和磁通密度 Remanence 剩磁 Coertivity 矫顽力 Disaccommodation factor 减落因数 Curie temp. 居里温度 Resistivity 电阻率 Density 密度
M2.5K
M3.5K
2000±25%
2300±25%
2500±25%
3500±25%
520 400 310 80 14.3 6.5 145 100 80 720 600 570
>200
500 370 100 60 15.0 8.0 130 85 70 600 450 410 600 450 410 250 220 230 >220
Initial Permeability 初始磁导率 Saturation flux density 饱和磁通密度 Remanenc 剩磁 Coercivity 矫顽力 Power loss 功率损耗 25KHz,200mT Power loss 功率损耗 100KHz,200mT Power loss 功率损耗 200KHz,100mT Power loss 功率损耗 500KHz,50mT Curie temp 居里温度 Resistivity 电阻率 Density 密度
1. EE / EEL / EEW / EF 型磁芯.......... 7 - 8 2. EI 型磁芯........................................ 9 - 10 3. UU / UI 型磁芯............................... 11 4. ET / FT 型磁芯............................... 12 5. RM 型磁芯..................................... 13 6. EP 型磁芯...................................... 14 7. EFD 型磁芯.................................... 15 8. EPC 型磁芯.................................... 16 9. PQ 型磁芯..................................... 17 10. POT (罐形)磁芯......................... 18 11. EER 型磁芯.................................... 19 - 20 12. EIR 型磁芯..................................... 21 13. 条形,圆柱形磁芯.......................... 22 14. 磁环................................................ 23 - 26
360
Br
mT 140
100
95
90
Hc
A/m 8
7.5
7.5
7.2
DF
×10-6 ≤3.0
≤2.5
≤2.5
≤2.0
100 4.4 ≤2.0
100 4.4 ≤2.0
Tc
℃ > 130
> 130
> 125
> 120
> 120
> 110
p
Ω*/m 1
0.3
0.2
0.15
0.15
0.15
d
kg/m3 4.8×103
Low power Loss material 低功耗材料
MEGNETICS
功率损耗 Power loss Pcv(kw/m3)
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