UVZ1C470MDH

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Aluminum Electrolytic Capacitors

UVZ1C470MDH is one of the most popular aluminum electrolytic capacitors (also called electrolytic capacitor or anAlcap) used in electronics. It is a type of capacitor that uses two aluminum foils, with a thin layer of oxide as a dielectric material, and a manganese dioxide cathode. Electrolytic capacitors have large capacitance-to-size ratios and are commonly used in DC power supplies, as well as high frequency applications such as radio or sound systems.

Application Field and Working Principle

UVZ1C470MDH aluminum electrolytic capacitors are used in a variety of electrical and electronic devices, from electronic equipment to PCB circuit boards, wherever the need for large capacitance is required. The capacitor consists of aluminum foils and the oxide film formed when an anodized metal is immersed in an electrolyte. This thin insulating oxide film, in conjunction with the cathode properties of the aluminum, give the capacitor superior electrical characteristics.

The anode of the capacitor is an aluminum foil on which a thin and highly conductive oxide film is grown. The anode foil is then rolled up and sealed in a waterproof shell. The negative terminal of the capacitor is connected to the aluminum foil, and the positive terminal is connected to the manganese dioxide cathode. When voltage is applied between the anode and the cathode, an electric current passes through the oxide film and charges the capacitor. As the capacitor is charged, an electric field is generated in the oxide film which stores energy and is responsible for the capacitance.

The capacitance of an aluminum electrolytic capacitor can be adjusted by changing the diameter of the anode foil or the amount of oxide layer on it. The higher the capacitance, the higher the electric field in the oxide film and the higher the voltage that the capacitor can handle.

Due to their low cost and large capacitance, aluminum electrolytic capacitors are commonly used in all sorts of applications. They are used in power supplies, motor starters, and high-end audio applications. They are also popular for use in surge suppression, signal conditioning, and power factor correction.

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