An NTC thermistor is packaged in the form of a Bulk. Cylindrical Probe, Glass includes it as a convenience. To ensure that the NTC thermistors function properly, the resistance tolerance must be ±20%. A temperature setting of -60°C~300°C is required to ensure reliable performance of NTC thermistors. NTC thermistors have a total of 2 terminals. The 2 pins of the NTC thermistors must be connected to make the thermistors work correctly.