DHA壳式滤波电容器的结构特点和技术参数
DHA壳式滤波电容器广泛应用于UPS,SMPSs, 逆变电源,焊机电源等设备中,起耦合隔直/滤波或DC-Link用。
它使用聚丙烯薄膜作为电介质,金属化膜干式结构,塑料外壳,阻燃(94V-0级)环氧封装,并采用镀锡铜线引出,具有高频、低自感拜、稳定性、自愈性的特点。
技术参数/Specifications
| 引用标准/Reference standares | IEC 61071 60068 | 
| 工作温度范围Operating temperature range | -40~85℃ | 
| 容量范围Capacitance | 5.0~90μF | 
| 额定电压 Rated Voltage | 500~1200VDC | 
| 容量偏差 Tolerance | ±5%, ±10% | 
| 极间耐电压 Test voltage between terminals | 1.5Ur(DC) 10s 25±5℃ | 
| 极壳耐电压 Test voltage between terminals and case | 3000V 50Hz 60S, 25±5℃ | 
| 损耗角正切Dissipation factor | tgδ≤1×10-3 at 25±5℃ , 1KHz | 
| 绝缘电阻Insulation resistance | C*IR≥5000S, at 100VDC,25±5℃,60S | 
| 预期寿命Life expectancy | 100000h at Un and 70℃ | 
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