Shenmao Capacitors specialized in aluminum electrolytic capacitors from 1970

What should I pay attention to when using film capacitors? |Focus on mid-to-high-end brand capacitor manufacturers

by:Shenmao     2021-06-20
I believe everyone is familiar with film capacitors, but few people know what we need to pay attention to when using film capacitors. Now let the editor of Shen Mao give you a good introduction. 1. The selection range of working voltage The film capacitor is high voltage applied by rain, and is affected by the applied voltage waveform, current waveform, frequency, ambient temperature, capacitance and other factors. Please check the voltage waveform and current of the film capacitor before use. Whether the waveform and frequency are within the rated value. 2. The pulse current of the working current through the film capacitor is equal to the product of the capacitance C rain voltage rise rate, that is, Iu003dCxdV/dt. Due to the loss of the capacitor, it is used under high-frequency or high-pulse conditions At this time, the pulse current passing through the film capacitor will use the capacitor’s own heating and temperature rise, and there will be a risk of thermal breakdown. Therefore, the safe use of the capacitor is not only limited by the rated voltage or current, but also by the rated current. The above content is about the precautions for the use of film capacitors. I believe everyone is very clear. If you have any questions or doubts, you can discuss with us and look forward to your arrival.
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