特点:
绕线更加容易。
可绕线面积增大。
有对应于ETD的规格供选择。
用途：
各种开关电源变压器，扼流圈等。
型号说明(Naming of Core Models):
| 品名 | Type | 尺寸(mm) | |||||
| Ａ | Ｂ | Ｃ | Ｄ | Ｅ | Ｆ | ||
| EER20/16 | 2 | 20.4±0.4 | 8.0±0.15 | 9.6±0.2 | 7.5±0.15 | 16.8±0.35 | 5.6±0.1 |
| EER25/24 | 1 | 25.0±0.8 | 12.2±0.2 | 8.5±0.3 | 8.5±0.3 | 19.0min | 7.85±0.15 |
| EER27.9/20.4 | 4 | 27.9±0.5 | 10.2±0.2 | 11.9±0.2 | 8.5±0.2 | 20.4min | 6.60±0.2 |
| EER28/21 | 1 | 28.5±0.5 | 10.5±0.2 | 11.4±0.25 | 9.9±0.25 | 21.6min | 6.4±0.2 |
| EER28/28 | 1 | 28.5±0.5 | 14.2±0.2 | 11.4±0.3 | 9.9±0.25 | 21.6min | 10±0.2 |
| EER28/31.4G | 1 | 28.55±0.55 | 15.7±0.3 | 11.4±0.3 | 9.9±0.25 | 21.2min | 11.3±0.3 |
| EER28/34 | 1 | 28.5±0.5 | 16.9±0.25 | 11.4±0.25 | 9.9±0.25 | 21.6min | 12.6±0.3 |
| EER28/35 | 1 | 28.5±0.5 | 17.5±0.4 | 11.4±0.3 | 9.9±0.25 | 22.0±0.4 | 13.1±0.4 |
| EER29/28E | 1 | 29.4±0.6 | 14.0±0.25 | 11.4±0.3 | 9.9±0.25 | 22.0min | 9.6+0.3/-0.25 |
| EER29/34E | 1 | 29.4±0.6 | 17.2±0.2 | 11.4±0.3 | 9.9±0.25 | 22.0min | 12.8±0.2 |
| EER29.3/29.2 | 4 | 29.3±0.5 | 14.6±0.2 | 11.8±0.25 | 8.35±0.2 | 22.2±0.5 | 11.0±0.2 |
| EER30/20 | 1 | 30.0±0.5 | 10.1±0.2 | 9.5±0.3 | 9.5±0.3 | 22.9±0.5 | 6.1±0.2 |
| EER33/33 | 1 | 33±0.45 | 16.65±0.15 | 12.8±0.15 | 10.5±0.15 | 23.4min | 12.0±0.15 |
| EER34/35 | 1 | 35+0/-1.6 | 17.3±0.2 | 11.1+0/-0.6 | 11.1+0/-0.6 | 25.6+1.4/-0 | 11.8+0.6/-0 |
| EER35/35 | 1 | 34.8±0.6 | 17.3±0.3 | 10.8±0.3 | 10.8±0.25 | 26.3min | 12.25±0.2 |
| EER35/43A | 1 | 35.0±0.7 | 21.5±0.3 | 11.3±0.4 | 11.3±0.3 | 25.3MIN | 15.5±0.3 |
| EER35.2/42 | 1 | 35.2±0.6 | 21.0±0.25 | 11.3±0.2 | 11.3±0.2 | 26.4min | 15.0±0.25 |
| EER36/38 | 1 | 36.0±0.6 | 18.9±0.3 | 11.3±0.3 | 11.3±0.25 | 26.4min | 12.9±0.3 |
| EER36/43 | 1 | 36.0±0.6 | 21.4±0.2 | 11.3±0.3 | 11.3±0.25 | 26.4min | 15.4±0.2 |
| EER42/45 | 1 | 42.0±0.8 | 22.5±0.3 | 14.9±0.3 | 14.9±0.3 | 30.7min | 15.5±0.3 |
| EER44/45 | 1 | 44.0±1.0 | 22.3±0.2 | 14.9±.5 | 14.8±0.4 | 33.2±0.7 | 16.5±0.4 |
| EER49/50 | 1 | 49.0±0.7 | 25.4±0.25 | 16.3±0.3 | 16.3±0.3 | 36.4MIN | 18.6±0.3 |
| EER49/53 | 1 | 49.45±0.75 | 26.5±0.3 | 17.2±0.4 | 17.2±0.25 | 37.3MIN | 18.5±0.2 |
| EER53/46 | 1 | 53.4±0.6 | 23.2±0.3 | 21.5±0.3 | 20.0±0.3 | 38.7min | 16.3±0.3 |
| EER54/55 | 1 | 54.2±0.7 | 27.6±0.2 | 18.9±0.3 | 18.9±0.3 | 41.0min | 20.2±0.4 |
| 品名 | 磁芯参数 | AL (Nh/N2) | |||
| Le（mm） | Ae(mm^2) | Ve(mm^3) | W(g/prs) | ||
| EER20/16 | 39.6 | 44.0 | 1761.3 | 8.76 | 2000 |
| EER25/24 | 53.92 | 60.56 | 3266.20 | 17.1 | 2400 |
| EER27.9/20.4 | 50.1 | 78.2 | 3919.2 | 21.62 | 3500 |
| EER28/21 | 50.1 | 84.72 | 4244.46 | 25.05 | 4000 |
| EER28/28 | 62.9 | 86.3 | 5430 | 27.8 | 3000 |
| EER28/29 | 64.7 | 86.2 | 5587.8 | 28.8 | 3200 |
| EER28/31.4G | 70.65 | 80.56 | 5691.8 | 30.8 | 3000 |
| EER28/34 | 74.3 | 85.6 | 6360 | 32.4 | 2600 |
| EER28/35 | 77.0 | 84.38 | 6498 | 32.7 | 4000 |
| EER29/28E | 63.72 | 86.73 | 5526.81 | 28.6 | 2700 |
| EER29/34E | 75.86 | 87.58 | 6643.34 | 34.0 | 2400 |
| EER29.3/29.2 | 69.49 | 86.31 | 5998.94 | 29.6 | 3000 |
| EER30/20 | 50.6 | 73.6 | 3730.7 | 19.0 | 2500 |
| EER33/33 | 76.3 | 120.0 | 9156.0 | 45.0 | 3600 |
| EER34/35 | 79 | 97 | 7670 | 38 | 2800 |
| EER35/35 | 79.82 | 98.78 | 7885.1 | 38.76 | 2780 |
| EER35/43A | 90.8 | 107.0 | 9716.0 | 52.0 | 2500 |
| EER35.2/42 | 94.6 | 110.9 | 10502.3 | 53.3 | 2600 |
| EER36/38 | 83.52 | 113.35 | 9467.2 | 49.6 | 3300 |
| EER36/43 | 93.73 | 111.34 | 10436.8 | 56.5 | 2770 |
| EER42/45 | 99.2 | 181.3 | 18001.4 | 47.2 | 4200 |
| EER44/45 | 103.9 | 174.21 | 18030.3 | 89.5 | 4000 |
| EER49/50 | 115.7 | 210.1 | 24315.9 | 117.6 | 4400 |
| EER49/53 | 117.9 | 238.1 | 28093.7 | 143.0 | 440 |
| EER53/46 | 108.0 | 318.5 | 34418.3 | 172.2 | 8500 |
| EER54/55 | 127.5 | 273.9 | 34935.4 | 178.08 | 5000 |
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