For protection, PTC thermistors are packaged in Radial packages. Packaged in the Tape and Reel, these PTC thermistors are safe to handle. Using PTC thermistors at -40°C temperature should be their minimum operating temperature. There must not be an increase in temperature above 125°C for this thermistor to work. PTC thermometers have 2 terminations. It has a total of 2 pins. A PTC thermistor could supply 265V voltage when it is in operation. PTC thermistors have been designed to operate at 60mA volts. In order to avoid overheating, PTC thermistors should be kept at a 1A current.