使用铝电解电容器注意事项与电解电容常识
铝电解电容器如在非规定条件下使用的话,会导致爆炸失火等重大故障,请先确认下述注意事项后使用。
设计 使用温度与纹波电流
1、使用温度、纹波电流应在规定的范围内,电容器如通过太大电流则引起异常发热、短路、失火等致命不良;
Item Characteristics
Operating Temperature Range(℃) -20~+70
Rated Voltage 110-300V,AC
Capacitance Tolerance(20℃,120Hz) 0%-20%
Power Factor(20℃,60Hz) 0.08
Over-Voltage Test Applied 1.2 times rated voltage for 2 minutes or 1.4 times rated voltage for 30 seconds.
Load Life(85℃) 125W.V:Apply for one,second and rest for 29 seconds, two times per minute at +70℃ after 75000 times Power factor:20% or less.
capacitance change: Within 25% of initial measured value.
160WV:Apply for one second and rest for 59 seconds, one time per minute at +70℃ after 30000 times. Power factor :20% or less. Capacitance change: Within 25% of initial measured value.
Withstanding Voltage Withstand 1500V,AC(r.m.s) for one minutes between both termainals and the case holding clamp.