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Q: DINGFENG CAPACITOR - What is the difference between a DC capacitor and an AC capacitor?
A: AC capacitors are also called non-polar capacitors, which are not divided into positive and negative poles. Therefore, both AC and DC circuits can be used.
DC capacitors, also known as polar capacitors, are used in DC circuits. DC capacitors have a high capacity, but the withstand voltage is relatively small.
How to distinguish between AC capacitors and DC capacitors?
Generally, there are AC and DC marks on the capacitor. The DC capacitor is marked with positive and negative, and the AC capacitor is absent.When selecting a capacitor, in addition to distinguishing between AC and DC, it is also necessary to select according to the withstand voltage level and the required type in the circuit.
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