特点:具有热阻小、衰耗小、功率大、工作频率宽凳使用优点。成品重量轻、结构合理、易表面贴装。
用途:广泛应用于体积小而功率大的变压器,如精密仪器、模块电源、计算机终端输出等。
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EFD型功率磁芯尺寸规格
磁芯型号 Type |
图 TYP |
Dimensions(mm) 尺 寸 |
A |
B |
C |
D |
E min |
F |
G |
EFD10/10 |
TYP2 |
10.50±0.30 |
5.20±0.20 |
2.70±0.20 |
4.55±0.20 |
7.25 |
3.85±0.20 |
1.50±0.20 |
EFD12/12 |
TYP2 |
12.50±0.30 |
6.20±0.20 |
3.50±0.20 |
5.40±0.20 |
8.70 |
4.60±0.20 |
2.00±0.20 |
EFD13/13 |
TYP3 |
13.20±0.35 |
6.60±0.20 |
4.60±0.20 |
5.60±0.20 |
10.40 |
4.50±0.20 |
2.05±0.20 |
EFD15/15 |
TYP1 |
15.00±0.40 |
7.50±0.20 |
4.60±0.20 |
5.30±0.20 |
10.70 |
5.50±0.20 |
2.30±0.20 |
EFD16/15 |
TYP3 |
16.25±0.40 |
7.40±0.30 |
4.80±0.30 |
5.90±0.30 |
12.00 |
5.30±0.30 |
2.50±0.20 |
EFD20/20 |
TYP2 |
20.00±0.55 |
10.00±0.30 |
6.65±0.30 |
8.90±0.30 |
14.90 |
7.70±0.30 |
3.60±0.20 |
EFD20/23/5.5 |
TYP2 |
20.00±0.55 |
11.50±0.30 |
5.50±0.30 |
8.90±0.30 |
15.50 |
9.30±0.30 |
3.70±0.20 |
EFD20/23/6.5 |
TYP2 |
20.00±0.55 |
11.50±0.30 |
6.50±0.30 |
8.90±0.30 |
15.50 |
9.30±0.30 |
3.70±0.20 |
EFD20/25 |
TYP2 |
20.00±0.55 |
12.60±0.30 |
6.65±0.30 |
8.90±0.30 |
15.50 |
10.30±0.30 |
3.70±0.20 |
EVD25 |
TYP3 |
25.10±0.65 |
12.80±0.30 |
12.40±0.30 |
8.80±0.30 |
19.20 |
9.80±0.30 |
8.30±0.30 |
EFD25/25 |
TYP2 |
25.00±0.65 |
12.50±0.30 |
9.10±0.30 |
11.40±0.30 |
18.10 |
9.30±0.30 |
5.20±0.25 |
EFD26/25 |
TYP2 |
26.20±0.70 |
12.60±0.40 |
9.10±0.30 |
11.40±0.30 |
19.80 |
9.40±0.30 |
5.20±0.25 |
EFD30/30 |
TYP2 |
30.50±0.80 |
15.20±0.30 |
9.10±0.30 |
14.60±0.30 |
21.60 |
11.30±0.40 |
4.90±0.25 |
EFD31/30 |
TYP2 |
31.50±0.80 |
15.30±0.30 |
9.10±0.30 |
14.60±0.30 |
24.00 |
11.40±0.30 |
4.90±0.25 |
EFD40/45 |
TYP3 |
40.50±0.80 |
22.50±0.30 |
10.60±0.30 |
16.60±0.30 |
30.60 |
16.30±0.30 |
6.60±0.25 |
EFD50/50 |
TYP3 |
50.60±1.20 |
25.80±0.40 |
11.90±0.30 |
21.50±0.40 |
37.50 |
18.70±0.30 |
7.50±0.30 |
EFD50/60 |
TYP3 |
50.60±1.20 |
30.00±0.40 |
13.50±0.30 |
22.50±0.40 |
34.80 |
22.00±0.40 |
9.00±0.30 |
EM15 |
TYP4 |
15.50±0.40 |
6.60±0.30 |
5.00±0.30 |
6.20±0.30 |
11.80 |
4.60±0.30 |
2.30±0.25 |
EM16.5 |
TYP4 |
16.60±0.40 |
7.50±0.30 |
4.40±0.30 |
5.70±0.30 |
11.60 |
4.50±0.30 |
2.80±0.25 |
EFD型功率磁芯电气特性及有效参数
磁芯型号 Type |
材质 Material |
AL(nH/N2) ±25% |
有 效 参 数 Effective parameters |
C1 (mm-1) |
Le (mm) |
Ae (mm2) |
Ve (mm3) |
重量 (g/PRS) |
功耗 (W/PRS,max) |
约设计功率(W) 1KHz/0.25v |
EFD10/10 |
TP4 |
590 |
3.29 |
23.7 |
7.2 |
171 |
0.9 |
0.10 |
3 |
EFD12/12 |
TP4 |
800 |
2.50 |
28.5 |
11.4 |
325 |
1.8 |
0.21 |
5 |
EFD13/13 |
TP4 |
700 |
3.01 |
29.5 |
9.8 |
289 |
1.6 |
0.18 |
5 |
EFD15/15 |
TP4 |
800 |
2.44 |
32.9 |
13.5 |
444 |
2.8 |
0.32 |
8 |
EFD16/15 |
TP4 |
1450 |
3.07 |
44.5 |
14.5 |
645 |
3.1 |
0.36 |
9 |
EFD20/20 |
TP4 |
1200 |
1.47 |
46.1 |
31.4 |
1448 |
7.2 |
0.83 |
22 |
EFD20/23/5.5 |
TP4 |
1100 |
1.94 |
52.0 |
26.8 |
1394 |
7.0 |
0.81 |
21 |
EFD20/23/6.5 |
TP4 |
1180 |
1.79 |
52.0 |
29.1 |
1513 |
7.6 |
0.87 |
23 |
EFD20/25 |
TP4 |
1550 |
1.85 |
61.2 |
33.0 |
2020 |
9.1 |
1.05 |
27 |
EVD25 |
TP4 |
2500 |
0.97 |
68.9 |
70.9 |
4885 |
23.5 |
2.70 |
70 |
EFD25/25 |
TP4 |
2200 |
0.96 |
56.5 |
58.6 |
3311 |
16.7 |
1.92 |
50 |
EFD26/25 |
TP4 |
2200 |
0.95 |
56.5 |
59.4 |
3356 |
16.9 |
1.94 |
50 |
EFD30/30 |
TP4 |
2100 |
0.98 |
67.3 |
69.0 |
4644 |
22.5 |
2.59 |
68 |
EFD31/30 |
TP4 |
2300 |
0.98 |
68.0 |
69.5 |
4726 |
24.0 |
2.76 |
75 |
EFD40/45 |
TP4 |
2300 |
1.02 |
108.8 |
106.5 |
11587 |
58.0 |
6.67 |
175 |
EFD50/50 |
TP4 |
3200 |
0.78 |
120.8 |
155.8 |
18821 |
89.0 |
10.24 |
265 |
EFD50/60 |
TP4 |
3500 |
0.63 |
130.0 |
208.0 |
27040 |
130.0 |
14.95 |
390 |
EM15 |
TP4 |
1000 |
2.80 |
38.6 |
13.8 |
533 |
2.9 |
0.33 |
8 |
EM16.5 |
TP4 |
1200 |
3.48 |
50.4 |
14.5 |
731 |
3.7 |
0.42 |
11 |
注:AL值测试条件为1KHz,0.25v,100Ts,25±3℃ Pc值测试条件为100KHz,200mT,100℃
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