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Capacitors are electronic devices commonly used in electronic components, several of the following common characteristics of the capacitor structure and to make a brief introduction for your reference.
1. Electrolytic capacitors
It is a cylinder made from aluminum anode, which with liquid electrolyte, the insertion of a curved cathode made of aluminum strip to do. By the need to deal with voltage direct current, so the cathode-chip to form a layer of oxide film medium to do.
It features large capacity, but the leakage, poor stability, positive and negative polarity, suitable for power or low-frequency filter circuit, when used, is, not to take anti-negative. |
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