To protect the devices from damage, PTC thermistors are packaged in SMD/SMT packages. For safety reasons, these PTC thermistors are packaged in the Tape and Reel. For PTC thermistors, -40°C should be the minimum operating temperature. The operating temperature of this thermistor must not exceed 125°C. This thermistor has 4 pins. During operation, PTC thermistors could supply 135V voltage.