In order to prevent damage to the PTC thermistors, these devices are packaged in Radial packages. A safety protective package is included with these PTC thermistors. A PTC thermistor should be operated at a minimum operating temperature of -40°C. It is important that the operation temperature of this thermistor does not exceed 125°C. The thermistor consists of 2 pins. It is possible that PTC thermistors operate at 265V voltage. These PTC thermistors are designed to operate at 400mA current. In order to prevent overheating of PTC thermistors, the current should not exceed 400mA.