2.技术指标(specifications) | 电容量(capacitance) | 18pf~33000pf | | 电容量允许偏差(capacitance tolerance) | k(±10%),m(±20%),z(+80%-20%) | | 使用温度(operating temperature) | -25℃~85℃ | | 温度特性(temperature characteristic) | y5p,y5u,y5v,sl,bn,y5r | | 额定电压(rated voltage) | 1kvdc,2kvdc,3kvdc | | 损耗角正切值(dissipation factor)(tgδ) | y5p、y5u、y5v: tgδ≤2.0% bn: tgδ≤0.5% y5r: tgδ≤0.2% sl:cr<30pf,q≥400+20cr;cr≥30pf,q≥1000 ⅰ类:1mhz,1±0.2vrms,25℃ ⅱ类:1khz,1±0.2vrms,25℃ | | 绝缘电阻(insulation resistance)(ir) | ir≥10000mω @ 25℃,500vdc | | 耐电压(voltage proof) | 1.5ur+500 | | 测试电压(testing voltage) | 2 times the rated voltage or 1.5 times the rated voltage +500v(whichever is smaller) 1分钟无击穿,无飞弧 | | 封装(encapsulation) | 1kv:酚醛树脂 ≥2kv:环氧树脂 |
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