What is a PTC thermistor?

A PTC thermistor is an electronic component whose resistance rises sharply above a certain temperature. Murata Manufacturing Co., Ltd. has acquired a registered trademark under the name "POSISTA". PTC is an acronym for Positive Temperature Coefficient, meaning that there is a positive correlation between temperature and resistance. Thermistor is a term derived from Thermal Sensitive Resistor, which is a component that can measure temperature from the difference in electrical resistance when the resistor is brought into contact with the object to be measured. refers to It is characterized by using a metal oxide semiconductor for the resistor.

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