The PTC thermistors are put into Radial packages to protect the devices from damage. The minimum operating temperature for the PTC thermistors should be set to -40°C. To make sure this thermistor works, the operating temperature must not exceed 125°C. There are 2 pins in this thermistor. The PTC thermistors could supply 20V voltage when it operates. The current for which the PTC thermistors have been designed is 300mA. The current for PTC thermistors should not be higher than 1A.