Keeping PTC thermistors in Radial packages prevents them from being damaged. Packaged in the Bulk for safety, these PTC thermistors are designed to perform at high temperatures. Ensure that the PTC thermistors are set to -40°C as their minimum operating temperature. In order for this thermistor to work properly, the operating temperature must not exceed 85°C. PTC thermistors have terminations of 2. A thermistor like this has 2 pins. PTC thermistors produce 0.0088W heat.