EFD型功率磁芯
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介绍
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，如仪器、模块电源、计算机终端输出等。
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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