Typically, NTC thermistors are packaged in a Tape & Reel (TR) package. Temperatures of 125°C provide reliable operation of NTC thermistors. It's best to operate NTC thermistors at -55°C for reliability. Each of these NTC thermistors has a total of 2 terminations. In order for NTC thermistors to work properly, they must have their 2 pins connected.