What are the advantages and disadvantages of PTC heater?

1、 Benefits
1. High security
The thermal resistance of the PTC heater is smaller than that of other heating elements. Under no circumstances will the surface of the electric heating pipe heater become red. In addition, when the blower fails, the PTC heater will automatically stop working to prevent the temperature from continuing to rise, which will lead to a lower probability of fire.
2. Low cost
PTC heaters are mostly composed of ceramic heating elements and aluminum tubes, which have the advantages of simple structure and low price. Even if the PTC heater of the vehicle is damaged, the subsequent replacement and maintenance costs are also very cheap.