Q: Dingfeng Capacitor -- Does the operating ambient temperature affect the life of the power capacitor?

A: The power capacitor design temperature standard is 50 ° C, more than 50 ° C will have a great impact on the capacitor. Excessive heating of the capacitor at high temperatures can cause the capacitor to expand and leak,resulting in the end of the useful life of the capacitor.

When the power capacitor is working, the temperature of the internal medium should be lower than 65 °C, and the maximum temperature should not exceed 70 °C, otherwise it will cause thermal breakdown or cause bulging. The temperature of the capacitor case is generally 50-60 ° C and cannot exceed 60 °C.

Therefore, the ambient temperature of the power capacitor has a great influence on the reliability and service life of the capacitor.

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