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Standard PTC Thermistors
STANDARD PTC THERMISTORS

Positive Temperature Coefficient (PTC) thermistors are thermally sensitive semiconductor resistors which exhibit an increase in resistance at a specified temperature. Change in the resistance of a PTC thermistor can be brought about either by a change in the ambient temperature or internally by self heating resulting from current flowing through the device. Most of the practical applications of PTC thermistors are based on these material characteristics.