DHA 方盒式 DC-LINK滤波电容器

主要应用/Application
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。
DC-Link and coupling /filtering for UPS，SMPSs, inverter, 
welding machine power.
产品特点/Characteristics
电介质：聚丙烯薄膜
结构：金属化膜干式结构                                 
封装：塑料外壳，阻燃（94V-0级）环氧封装
引出：镀锡铜线引出
高频,低自感拜                       
高稳定性
具有自愈性
 
技术性能/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%
较间耐电压 Test voltage between terminals
1.5Ur(DC) 10s  25±5℃
较壳耐电压 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℃
过压运行/Protection against over voltages
1.1×Un
30%of the service period
1.15×Un
30min/d
1.2×Un
5min/d
1.3×Un
1min/d
1.5×Un
100ms no more than 1000 times