特点:具有热阻小、衰耗小、功率大、工作频率宽、重量轻、结构合理、易表面贴装、屏蔽效果好等优点,但散热性能稍差。
用途:广泛应用于体积小而功率大且有屏蔽和电磁兼容要求的变压器,如精密仪器、程控交换机模块电源、导航设备等。 |
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EPC型功率磁芯尺寸规格
磁芯型号 Type |
尺 寸 Dimensions(mm) |
A |
B |
C |
D |
Emin |
F |
G |
Hmin |
EPC10/8 |
10.20±0.20 |
4.05±0.30 |
3.40±0.20 |
5.00±0.20 |
7.60 |
2.65±0.20 |
1.90±0.20 |
5.30 |
EPC13/13 |
13.30±0.30 |
6.60±0.30 |
4.60±0.20 |
5.60±0.20 |
10.50 |
4.50±0.30 |
2.05±0.20 |
8.30 |
EPC17/17 |
17.60±0.50 |
8.55±0.30 |
6.00±0.30 |
7.70±0.30 |
14.30 |
6.05±0.30 |
2.80±0.20 |
11.50 |
EPC19/20 |
19.60±0.50 |
9.75±0.30 |
6.00±0.30 |
8.50±0.30 |
15.80 |
7.25±0.30 |
2.50±0.20 |
13.10 |
EPC25/25 |
25.10±0.50 |
12.50±0.30 |
8.00±0.30 |
11.50±0.30 |
20.65 |
9.00±0.30 |
4.00±0.20 |
17.00 |
EPC27/32 |
27.10±0.50 |
16.00±0.30 |
8.00±0.30 |
13.00±0.30 |
21.60 |
12.00±0.30 |
4.00±0.20 |
18.50 |
EPC30/35 |
30.10±0.50 |
17.50±0.30 |
8.00±0.30 |
15.00±0.30 |
23.60 |
13.00±0.30 |
4.00±0.20 |
19.50 |
EPC39/39 |
39.00±0.50 |
19.60±0.30 |
15.60±0.30 |
18.00±0.30 |
30.70 |
14.00±0.30 |
10.00±0.30 |
24.50 |
EPC42/44 |
42.40±1.00 |
22.00±0.30 |
15.00±0.40 |
17.00±0.30 |
33.50 |
16.00±0.30 |
7.40±0.30 |
26.50 |
EPC46/49 |
46.00±1.00 |
24.80±0.30 |
19.50±0.40 |
20.80±0.40 |
35.70 |
18.40±0.40 |
11.90±0.30 |
28.40 |
EPC46.5/44 |
46.50±1.00 |
22.30±0.30 |
19.40±0.40 |
21.00±0.40 |
36.90 |
15.80±0.40 |
12.00±0.30 |
29.40 |
EPC54/54 |
54.50±1.20 |
27.20±0.30 |
21.50±0.40 |
26.50±0.40 |
43.00 |
19.30±0.40 |
14.00±0.30 |
34.30 |
EPC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 |
EPC10/8 |
TP4 |
950 |
1.90 |
17.8 |
9.39 |
167 |
1.1 |
0.13 |
3 |
EPC13/13 |
TP4 |
830 |
2.45 |
30.6 |
12.5 |
382 |
2.1 |
0.24 |
6 |
EPC17/17 |
TP4 |
1150 |
1.76 |
40.2 |
22.8 |
917 |
4.5 |
0.52 |
13 |
EPC19/20 |
TP4 |
900 |
2.03 |
46.1 |
22.7 |
1047 |
5.3 |
0.61 |
15 |
EPC25/25 |
TP4 |
1550 |
1.28 |
59.2 |
46.4 |
2747 |
13.0 |
1.50 |
40 |
EPC27/32 |
TP4 |
1550 |
1.34 |
73.1 |
54.6 |
3991 |
20.0 |
2.30 |
60 |
EPC30/35 |
TP4 |
1500 |
1.34 |
81.6 |
61 |
4977 |
23.0 |
2.65 |
70 |
EPC39/39 |
TP4 |
4250 |
0.53 |
90 |
169 |
15210 |
73.0 |
8.40 |
220 |
EPC42/44 |
TP4 |
2800 |
0.56 |
95 |
169 |
16055 |
78.4 |
9.02 |
235 |
EPC46/49 |
TP4 |
4100 |
0.49 |
111.2 |
227 |
25242 |
122.4 |
14.08 |
360 |
EPC46.5/44 |
TP4 |
4800 |
0.44 |
101 |
229 |
23129 |
125.0 |
14.38 |
370 |
EPC54/54 |
TP4 |
6000 |
0.39 |
130.8 |
336 |
43949 |
200.0 |
23.00 |
600 |
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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