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 -25°C. To make sure this thermistor works, the operating temperature must not exceed 125°C. There are 2 pins in this thermistor. Nominally, this thermistor can supply 220V voltage when it works. The current for which the PTC thermistors have been designed is 270mA.