采用金屬化聚丙烯薄膜進行無感式卷繞,特殊噴金工藝,邁拉膠帶、鋁外殼或不銹鋼外殼封裝,阻燃環(huán)氧樹脂灌封,銅螺母或銅螺栓引出。
具有優(yōu)秀的高頻紋波吸收能力,高dv/dt,頻率特性好,雜散電感小。
產品廣泛應用于高壓逆變系統(tǒng)開關模塊(IGBT.GTO)中作吸收保護、尖峰電壓鉗位等場合。
Reference standards |
IEC 61071 61881 |
工作溫度范圍Operating temperature range |
-40~85℃ |
容量范圍Capacitance |
0.33~3.0μF |
額定電壓 Rated Voltage |
4000~10000VDC |
容量偏差 Tolerance |
±5%, ±10% |
極間耐電壓 Test voltage between terminals |
1.5Ur(DC) 10s 25±5℃ |
極殼耐電壓 Test voltage between terminals and case |
3000V 50Hz 60S, 25±5℃ |
損耗角正切Dissipation factor |
tgδ≤8×10-4 at 25±5℃ , 1KHz |
絕緣電阻Insulation resistance |
C*IR≥30000S, at 100VDC,25±5℃,60S |
預期壽命Life expectancy |
100000h at Ur and 70℃ |