产品及应用
● 双节滤波
● 对共模干扰和差模干扰具有优异的抑制能力
● 泄露电流低，应用广泛
● 适应各种阻抗匹配，对快速瞬变脉冲群 (EFT) 等实验具有良好的辅助效果
● 适用于于开关电源、UPS、加油机、雕刻机、控制器等电子电力设备
技术参数
| 额定电压 | 250VAC | 额定电流@40℃ | 1A~30A |
| 试验电压 | 线-线 | 1760VDC | 工作频率 | 50/60Hz |
| 线-地 | 2000VAC | 气候类别 | 25/085/21 |
产品列表
| 产品型号 | 额定电流 @40℃ | 泄露电流 250VAC/50Hz | 外型 | 电路参数 | 端接方式 | 重量（g） |
| L (mH) | Cx (uF) | Cy (nF) | R (MΩ) | | |
| WD422-1 | 1A | ≤0.5mA | B1/B2 | 12 | 0.22 | 4.7 | 1.0 | L | M4 | 130 |
| WD422-3 | 3A | ≤0.5mA | B1/B2 | 2.5 | 0.22 | 4.7 | 1.0 | L | M4 | 130 |
| WD422-6 | 6A | ≤0.5mA | B1/B2 | 1.0 | 0.22 | 4.7 | 1.0 | L | M4 | 130 |
| WD422-10 | 10A | ≤0.5mA | H1 | 0.8 | 0.47 | 4.7 | 1.0 | L | M4 | 160 |
| WD422-16 | 16A | ≤0.5mA | H2 | 0.75 | 0.47 | 4.7 | 0.47 | L | M4 | 230 |
| WD422-20 | 20A | ≤0.5mA | H5/J | 0.6 | 1.0 | 4.7 | 0.47 | L | M4 | 300/400 |
| WD422-30 | 30A | ≤1.0mA | J | 0.4 | 1.0 | 10 | 0.47 | --- | M6 | 400
|
| LINE TO GROUND(PN---E) 共模 (dB) | | LINE TO LINE(P---N) 差模 (dB) |
| MHz | .1 | .15 | .5 | 1 | 5 | 10 | 30 | .1 | .15 | .5 | 1 | 5 | 10 | 30 |
| WD422-1 | 85 | 92 | 78 | 72 | 59 | 55 | 55 | 18 | 35 | 78 | 82 | 82 | 78 | 60 |
| WD422-3 | 65 | 75 | 80 | 78 | 63 | 60 | 55 | 19 | 55 | 80 | 78 | 68 | 60 | 58 |
| WD422-6 | 20 | 15 | 75 | 76 | 65 | 63 | 46 | 15 | 30 | 81 | 78 | 68 | 62 | 58 |
| WD422-10 | 15 | 28 | 75 | 80 | 62 | 58 | 50 | 9 | 27 | 72 | 72 | 72 | 71 | 69 |
| WD422-16 | 10 | 22 | 70 | 76 | 62 | 58 | 51 | 10 | 23 | 73 | 74 | 67 | 60 | 60 |
| WD422-20 | 16 | 12 | 53 | 65 | 59 | 55 | 52 | 21 | 18 | 45 | 75 | 80 | 70 | 80 |
| WD422-30 | 15 | 12 | 57 | 70 | 60 | 55 | 52 | 20 | 25 | 55 | 75 | 82 | 75 | 60 |
