400MXH470MEFC35X30

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitor that is widely used in a variety of electronic devices due to its high capacitance, low cost, and long life. Aluminum electrolytic capacitors are made up of two thin layers of aluminum foil separated by a layer of paper or plastic that is soaked in an electrolyte solution. The type of aluminum electrolytic capacitor is denoted by a code, such as 400MXH470MEFC35X30.

Application Field

Aluminum electrolytic capacitors find a wide range of applications in numerous industries, including consumer electronics, automotive, power supplies, telecommunications, and audio equipment. They are used extensively in mobile phones, televisions, DVD players, computers, and other consumer electronic devices. In automobiles, they are used for electric motors, power supplies, and fuel cells. In medical equipment, they are typically used for high voltage rectifiers, high frequency filters, and power control systems.

Working Principle

The functioning of an aluminum electrolytic capacitor is based on the Faraday effect. The Faraday effect is the electrical voltage developed when an electrical current is passed through an electrolyte solution. When the electrolyte is subjected to an electrical voltage, the positive ions in it migrate from one surface to the other. When the electrical current is removed, the charges left on the opposite surfaces of the electrolyte form a capacitor. Thus, by controlling the electrical current, it is possible to control the amount of charge that is stored in the capacitor.

Aluminum electrolytic capacitors typically have a terminal voltage rating of around 50 volts, although some can be much higher. They can store a large amount of energy, typically between 0.1 and 25,000 Farads. The rated capacitance and leakage current, which is the amount of current that the capacitor can hold, are the two most important parameters of the capacitor.

In addition to their high capacitance, aluminum electrolytic capacitors are also noted for their long useful life. They typically last for a few thousand hours or more before needing to be replaced. However, as with most capacitors, they are susceptible to electrical noise, and so must be shielded from electrical interference to ensure that their performance remains unaffected.

Overall, aluminum electrolytic capacitors are widely used in a variety of electronic applications due to their high capacitance, low cost, and long useful life. They are typically denoted by a code, such as 400MXH470MEFC35X30, and they are capable of storing a large amount of energy. As with all capacitors, however, they must be shielded from electrical interference to ensure their long life.

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