A positive-temperature-coefficient heating element, also called a PTC heating element or self-regulating heater, is an electrical resistance heater whose resistance increases significantly with temperature. The name self-regulating heater comes from the tendency of such heating elements to maintain a constant temperature when supplied by a given voltage.
A positive-temperature-coefficient heating element, also called a PTC heating element or self-regulating heater, is an electrical resistance heater whose resistance increases significantly with temperature. The name self-regulating heater comes from the tendency of such heating elements to maintain a constant temperature when supplied by a given voltage.
Source: Wikipedia "Self-regulating heater" · CC BY-SA 4.0
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