To prevent damage to the devices, PTC thermistors are packaged in 0805 packages. Having a Tape & Reel (TR) package ensures safety while using these PTC thermistors. For PTC thermistors, -40°C is the minimum operating temperature. A thermistor's operating temperature must not exceed 125°C for it to function. 2 terminations are present on the PTC thermistor. On this thermistor, there are 2 pins.