UKL1E220MDDANATA Capacitors

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Aluminum Electrolytic Capacitors

UKL1E220MDDANATA is a aluminum electrolytic capacitor. It has a wide application range, from the general power supply, communication, to personal computers or home appliances, and professional and industrial control equipment. Its products have been certified by many international professional organizations, such as UL, TUV and CB, and strictly controlled by the corresponding quality standards.

The working principle of the aluminum electrolytic capacitor is to assemble two metal plates with a dielectric oxide film as insulation between them. The plate on the positive pole has a larger area than the plate on the negative pole, so that when an electric current is passed through, a conduction electric field is generated between the two plates, and a capacitor is formed. The oxide film is the core which can accumulate charge, and this oxide film is "electrolytic" of aluminum electrolytic capacitor. When the polarized voltage is applied, the electrolyte situated between the plates releases ions to deposit on the aluminum particles in the oxide film, forming an electric double layer. The process is reversed when the voltage is removed, the electrolyte is discharged, and the capacitor is reset.

Aluminum electrolytic capacitors are mainly used for energy storage and filtering, which can effectively filter out ripple and noise in the power supply, and provide power stability and reliability. In particular, AC motors, washing machines and refrigerators, which often incur strong starting current, require a powerful storing capacity to operate. Therefore, a large capacity aluminum electrolytic capacitor plays a very important role. Meanwhile, it is widely used in communication industry. It can reduce the power frequency interference and harmonic components absorbed by electronic equipment, and ensure that the harmonic components in the power grid comply with the EMC requirements.

Aluminum electrolytic capacitor is not a perfect electronic component, and its life expectancy and voltage range are not as rich as other types of capacitors. Therefore, it should be used in the application where the life expectancy and voltage range are not critical. Moreover, when it is used, the voltage should be within the rated range and never exceed the maximum voltage shown on the device label, otherwise it will be easily damaged.

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