AP Thermistors Semitec AP Thermistors are super high precision radial thermistors with high heat resistance. The AP thermistors offer a tolerance of R25 and B25/85 of ±0.5%. Operating in a temperature range of -60°C to +150°C, the AP thermistors have a narrow temperature deviation and accurate temperature detection with a tolerance of ±0.5°C in -60°C to +70°C. Semitec AP thermistors are well-suited for a wide range of applications including portable devices, battery packs, fan motors, automobiles, office automation equipment, electrical household appliances, security devices, thermometers, measurement equipment, and temperature detection.