Analysis principle of power type thermistor to suppress inrush current


In our parts such as LED driver boards, fluorescent converters, heaters, etc., or in the moment of switching

Born a surge current that is much higher than our normal operating current. Once this surge current is not suppressed, the hazard is very

Large, can directly destroy electronic power circuit equipment, causing great economic losses.

The power type thermistor has a very large resistance at normal room temperature, which can well suppress the startup of our electronic power circuit equipment.

Instantaneous surge current, and can completely suppress the temperature of the body temperature of the thermistor itself after completely suppressing the surge current

Raise, causing the resistance of the thermistor's own resistance to drop to a very small level, and the power consumed can be ignored.

To calculate, so as to ensure the normal operation of the line. Http://

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