DGT高压吸收电容器
面议
采用金属化聚丙烯薄膜进行无感式卷绕，特殊喷金工艺，迈拉胶带、铝外壳或不锈钢外壳封装，阻燃环氧树脂灌封，铜螺母或铜螺栓引出。
具有{yx}的高频纹波吸收能力，高dv/dt，频率特性好，杂散电感小。
产品广泛应用于高压逆变系统开关模块（IGBT.GTO）中作吸收保护、尖峰电压钳位等场合。
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Reference standards |
IEC 61071 61881 |
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工作温度范围Operating temperature range |
-40~85℃ |
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容量范围Capacitance |
0.33~3.0μF |
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额定电压 Rated Voltage |
4000~10000VDC |
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容量偏差 Tolerance |
±5%, ±10% |
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极间耐电压 Test voltage between terminals |
1.5Ur(DC) 10s 25±5℃ |
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极壳耐电压 Test voltage between terminals and case |
3000V 50Hz 60S, 25±5℃ |
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损耗角正切Dissipation factor |
tgδ≤8×10-4 at 25±5℃ , 1KHz |
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绝缘电阻Insulation resistance |
C*IR≥30000S, at 100VDC,25±5℃,60S |
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预期寿命Life expectancy |
100000h at Ur and 70℃ |
