Key Considerations for PTC Thermistors Used in Overcurrent Protection

Precautions for PTC thermistors used in overcurrent protection

1. Cleaning

Mild cleaning agents such as Freon, trichloroethane, or tetrachloroethylene are suitable for cleaning, and ultrasonic cleaning methods can also be used. However, some cleaning agents may damage the performance of thermistors.

2. Precautions

To prevent failures, short circuits, or burnouts of PTC thermistors, special attention should be paid to the following matters when using (testing) PTC thermistors:  diode

Do not use (test) PTC thermistors in oil, water, or flammable and explosive gases;

Do not use (test) PTC thermistors under conditions exceeding the "maximum operating current" or "maximum operating voltage.".diode