It is important to protect PTC thermistors from damage by placing them in Radial packages. In order to protect themselves from damage, these PTC thermistors are packaged in the Bulk. It is advisable to set the PTC thermistors to -40°C as the minimum operating temperature. A temperature of 125°C should not be exceeded during operation of this thermistor. 2 is the termination of the PTC thermistor. These thermistors have 2 pins. PTC thermistors could operate at 420V voltages. When using PTC thermistors, the current shouldn't exceed 2A. This thermistor must be operated at 440V voltage in order to be reliable.