PPTC overcurrent protection devices commonly used in the security model:
1, the plug PTC: WH30-110, WH30-135, WH30-160, WH30-250, WH30-300;
WH60-110, 1WH60-135, WH60-160, WH60-250.
WH60-110 is mainly used more often, mostly supply voltage 12V, 5V, consider the special circumstances elect partial pressure.
2,
SMD common: WH1812-010, WH1812-014, WH1812-110, WH1812-150, WH1812-160, WH1812-260.
Supply voltage 12V majority.
3, for new customers, new products according to the actual requirements of selection.