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。
具有优秀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。
reference standardsiec 61071 61881工作温度范围operating temperature range-40~85℃容量范围capacitance0.33~3.0μf额定电压 rated voltage4000~10000vdc容量偏差 tolerance±5%, ±10%极间耐电压 test voltage between terminals1.5ur(dc) 10s 25±5℃极壳耐电压 test voltage between terminals【敏感词】case3000v 50hz 60s, 25±5℃损耗角正切dissipation factortgδ≤8×10-4 at 25±5℃ , 1khz绝缘电阻insulation resistancec*ir≥30000s, at 100vdc,25±5℃,60s预期寿命life expectancy100000h at ur【敏感词】70℃