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Is it better to increase the film capacitor capacity?

Views:0     Author:Site Editor     Publish Time: 2020-02-28      Origin:Site

The film capacitor has excellent performance and a suitable unit price. It is widely used in electronics, home appliances, communications, electric power, electrified railways, hybrid vehicles, wind power, solar power and other industries. Become an indispensable electronic component to promote the upgrading of these industries. When buying film capacitors, some users feel that the larger the capacitance, the better. When choosing, choose the one with the largest capacity as possible, not the smaller. Is this really correct?


Many people think that according to the principle of capacitors, when selecting film capacitors, the larger the capacitance, the better. Although this statement is reasonable, it must be known that under the current technology, the larger the capacitance, the larger the volume of the capacitor, which will take up more space. In some electronic products such as mobile phones, space It is very important, if the capacitor with too large capacity is selected by mistake, it will cause waste.


Moreover, the larger the capacity, the larger the volume, and the greater the heat dissipation. The poor heat dissipation is not good for film capacitors or electrical appliances. What's more, in general, the larger the capacity of the same type withstand voltage, the more expensive it is. We have to choose the right one, and the right one is the right one. Therefore, we have to choose film capacitors according to the needs of the overall circuit, and choose capacitors that can meet the needs of the circuit. There is no need to blindly pursue large capacity.


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