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FAQ about PTC Heaters
Manufacturing process of PTC thermistor

 

1, Prepare mixture materials (barium carbonate and titanium dioxide, and other materials) designed according to the electrical and thermal performance requirements.

2, Mixing & wet grinding

3, Dehydration & drying

4, Wafer-pressure molding into rectangular, circular or cellular

5, Sintering at high temperature (1400 C) into ceramic

6, Fixing electrodes on the surface

6.1, Screen Printing

6.2, Spraying

7, Resistance classification

8, Brazing

9, Assembling

10, Printing

11, Dielectric Voltage Withstand Test

12, Resistance-Temperature Chracteristic test

13, Final test

14, Packaging

 

 

 

 

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