ELHS451VSN221MR25S

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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor is a kind of capacitors which uses the porous oxide film of aluminum as the dielectric material. The conductive surface of the capacitors can be generally divided into anode and cathode. Firstly, it oxidize one surface of aluminum foil, making it become a porous oxide film which has high insulated property. Secondly, they roll up the film with another surface of aluminum foil, and put it together with a series of reticles, with electrolyte and cover on them, then they get a capacitor. The advantages of aluminum electrolytic capacitor are the low price, large capacitance, small volume, and high rated voltage, long life. ELHS451VSN221MR25S is a kind of aluminum electrolytic capacitor, and it has the following application field and working principles.

Application Field

ELHS451VSN221MR25S is a radial lead type aluminum electrolytic capacitor, usually used in microwave ovens, refrigerators, air conditioners, washing machines, vacuum cleaners, etc. This kinds of capacitors have combination of features of high-temperature, high-voltage, stability and reliability. It also has good heat dissipation and long life.

Working Principle

The working principle of ELHS451VSN221MR25S is based on the principle of electrostatics. This kind of capacitor is composed of two metal plates which are separated by insulating medium. When a voltage is applied on the capacitor, the positive ions migrate from the negative plate to the positive plate, while the negative ions move from the positive plate to the negative plate. A current flow is generated and the voltage is stored between the two plates. The magnitude of the voltage stored is proportional to the charge stored. The charge stored is inversely proportional to the size of the plates or capacitance.

Conclusion

ELHS451VSN221MR25S aluminum electrolytic capacitors are useful in various devices such as microwave ovens, refrigerators, air conditioners, washing machines, vacuum cleaners, etc. It can provide good heat dissipation and long life. Its working principle is based on the principle of electrostatics. It consists of two metal plates separated by an insulating material, and when an electric charge is applied, the current flow is generated and the voltage is stored between the two plates.

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