PTC Electric Heating Element

The full name of PTC is Positive Temperature Coefficient, that is, thermistor, which is an electric heating element made of conductive materials through composite sintering.

PTC heating element is a heating element designed using the constant temperature heating characteristics of PTC thermistors. (The principle is that the PTC thermistor is heated up from the heat to make the resistance enter the transition zone, and the surface temperature of the constant temperature heating PTC thermistor will remain constant, which is only related to the Curie temperature and applied voltage of the PTC thermistor, and has nothing to do with the ambient temperature.) In the small and medium-power heating occasions, PTC heating elements have the advantages of constant temperature heating, no open flame, high thermal conversion rate, minimal influence by power supply voltage, long natural life, etc., which are incomparable with traditional heating elements, and their application in electric heating appliances is more and more favored by R&D engineers. Constant temperature heating PTC thermistors can be made into a variety of shape structures and different specifications (common disc, rectangle, long bar, ring and honeycomb porous, etc.), PTC heating element and metal components can be combined to form various forms of high-power PTC heating elements

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