PTC is the abbreviation of Positive Temperature Coefficient, which means positive temperature coefficient, and generally refers to semiconductor materials or components with a large positive temperature coefficient. Usually the PTC we mention refers to positive temperature coefficient thermistors, referred to as PTC thermistors. PTC thermistor is a typical temperature-sensitive semiconductor resistance, and when it exceeds a certain temperature (Curie temperature), its resistance value increases step by step with the increase of temperature. PTC thermistors are divided into different materials according to their materials: Ceramic PTC thermistor Organic polymer PTC thermistor PTC thermistors are divided into different applications according to their use: PTC thermistors for automatic demagnetization PTC thermistors for delayed start PTC thermistors for constant temperature heating PTC thermistors for overcurrent protection PTC thermistors for overtemperature protection PTC thermistors for sensors In general, organic polymer PTC thermistors are suitable for overcurrent protection purposes, Ceramic PTC thermistors can be used for various purposes listed above.
