特点与用途：
特点：以金属化聚丙烯膜作介质和电极，用阻燃绝缘材料包封单向引出，具有电性能优良，可
靠性好，损耗小和良好自愈性能。
用途：本产品广泛使用于仪器、仪表、电视机及家用电器线路中作直流脉动、脉冲及交流降压
作用，特别适用于各种类型的节能灯和电子整流器。
Features：
CBB21 is Constructed with metalized polypropylene film as medium and electricode,Unidirectionally drawn out&sealed with flame-retar-dant dielcric,High reliability,low losses.Self-healing property.
Mainly used inelecric cicuit of various electical equipment,can be usedin DC impulse andpulsation as well as for AC voltage reduction.
技术要求：Specifications
1、使用温度 -40℃～+85℃
Operating Temperature
2、容量范围 10n～4.7µF
Capacitance Range
3、允许偏差 J:(±5%);K:( ±10%);
Capacitance Tolerance
4、额定电压 250V,400V,630VDC
Rated Voltage
5、耐电压 1.7UR 2S(1.5 UR 5S)
Withstand Voltage
6、损耗角正切 ≤1.0%(20℃ 1KHZ)
Dissipation Factor
7、绝缘电阻 C≤0.33µF ≥9000 MΩ
Insulation Resitance C>0.33µF; ≥3000s