What is a Aluminum electrolytic capacitor?

An aluminum electrolytic capacitor is a type of capacitor that uses aluminum as its electrolyte material, and is commonly used in applications requiring large capacitance, especially in low-frequency power circuits. The capacitor uses aluminum foil as the anode and an insulating layer of aluminum oxide. This construction allows it to achieve high capacitance in a relatively small size. Key characteristics include relatively low production costs and resistance to temperature and voltage fluctuations. Aluminum electrolytic capacitors are used in power supply circuits, smoothing circuits, filter circuits, and in various devices such as audio equipment and computers where voltage stability is crucial. However, they have limitations in terms of durability and lifespan, requiring caution when used over extended periods.

Application of Aluminum electrolytic capacitor

１．Power supply circuits: Used in circuits requiring large capacitance.
２．Filter circuits: Used for noise reduction at high frequencies.
３．Audio equipment: Used to stabilize sound quality.

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