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Speaking ofPTC heaterI believe many people still have some understanding of it. Generally, PTC heaters are used in curling irons, hair straighteners, and electric irons. However, some people may not understand the working principle and function of PTC heaters. Here is a detailed introduction to this issue.

PTC heaterWe can completely regard it as a pure resistance load. I believe many friends should be very clear that when current passes through the resistor, the electrical energy will automatically be converted into heat energy, that is, the resistor will heat up, so at this time, the heating is carried out using the principle of resistance heating. However, since the PTC heater also has a characteristic, that is, at room temperature, its resistance is small, so when it is just powered on, the current is relatively large and the heating is relatively fast, but when it reaches the temperature critical point unique to the PTC heater, its resistance will rise sharply, and the current passing through will become smaller due to the increase in resistance, and the smaller current will reduce the heat generation, so it is "automatically balanced" within a temperature range.

Constant temperature heatingPTC heaterIt has a constant temperature heating characteristic. The principle is that after the PTC thermistor is powered on, the temperature rises by self-heating, causing the resistance value to enter the transition zone. The surface temperature of the PTC thermistor with constant temperature heating will remain constant. This temperature is only related to the Curie temperature of the PTC thermistor and the applied voltage, and has basically nothing to do with the ambient temperature.

PTC heater is a heating element designed by using the constant temperature heating characteristics of PTC thermistor. In small and medium power heating occasions, PTC heating elements have advantages that traditional heating elements cannot match, such as constant temperature heating, no open flame, high heat conversion rate, minimal influence by power supply voltage, and long natural life. It is also increasingly widely used in electric heating appliances.

Changzhou Ainuo Electronic Technology Co., Ltd. is a manufacturer specializing in the production and sales of PTC heaters. The PTC heaters we produce are not only of good quality but also of low price, which has also made our products gain a good reputation in the market. If you have any demand for PTC heaters, please feel free to come and consult!