PTC heater is the abbreviation of "Positive Temperature Coefficient". After the Dutchman Haayman discovered the PTC ferroelectric effect of BaTiO3 ceramics for the first time in 1950, exploring the mechanism of this phenomenon is constantly attracting attention. PTC It has been more than 20 years since the advent of theory to industrialized consumption, and the large-scale use of PTC products has been in the past 40 years. At present, PTC technology has become an important part of modern industry. As a new type of thermistor material, Its main uses can be divided into two categories: switch and heat generation. The application of PTC data is thermally sensitive. The application of heat generation PTC has the characteristics of stable performance, rapid heating, and less affected by power supply voltage fluctuations. Various heater products have been manufactured. It has become the most ideal substitute for metal resistance wire heating materials. At present, it has been widely used in automobile air conditioners, electric automobile air conditioners, and electric automobile defrosters.
