厂商 ：深圳市天明伟业电子有限公司
广东 深圳- 主营产品：
DHE直流支撑DC-Link薄膜电容器(铝壳干式）
主要应用/Application
广泛应用于风力、太阳能、新能源汽车、UPS，SMPSs,
逆变电源，焊机电源等设备中起耦合隔直/滤波或DC-Link.
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：金属铝外壳,阻燃(UL 94V-0)环氧封装
引出：镀锡铜螺母或螺杆引出
高稳定性低ESR,ESL具有自愈性
技术性能/Specifications
|
引用标准/Reference standards |
IEC 61071 60068 |
|
工作温度范围/Operating temperature range |
-40~85℃ |
|
容量范围/Capacitance |
100~2750μF |
|
额定电压/ Rated Voltage |
900~4000VDC |
|
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℃ , 100Hz |
|
绝缘电阻/Insulation resistance |
C*IR≥5000S, at 100VDC,25±5℃,60S |
|
预期寿命/Life expectancy |
100000h at Ur 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 |
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