自恢复保险丝有直插和贴片之分,有两只长长的脚是直插形式的PPTC如下图:
自恢复保险丝PPTC
直插PPTC自恢复保险丝型号有很多,以DWPH系列PPTC为例,维持电流0.5A-15A,最大电压16V-30V,最大电流40A-100A,稳压功耗0.9W-7W,具体型号:DWPH050F、DWPH070F、DWPH100F、DWPH200F、DWPH300F、DWPH400F、DWPH450F、DWPH550F、DWPH600F、DWPH650F、DWPH700F、DWPH750F、DWPH800F、DWPH900F、DWPH1000F、DWPH1100F、DWPH1300F、DWPH1400F、DWPH1500F。
DWPH050F自恢复保险丝