EKZN500ELL181MH20D

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Aluminum electrolytic capacitors, commonly referred to as “electrolytics”, are polarized capacitors. They are one of the most popular types of capacitors due to their very high-capacity and low cost. The EKZN500ELL181MH20D capacitor is an electrolytic capacitor that excels in its application field due to its unique characteristics.

Application Field

The EKZN500ELL181MH20D is a general-purpose aluminum electrolytic capacitor, suitable for a range of applications. Its key feature is its long life span, making it suitable for long-term use in circuits requiring high capacitance values over long periods of time. It is well suited to smoothing ripple current, filtering, and decoupling applications, as well as coupling, bypassing and timing in power supplies, measuring and control circuits. Additionally, since it has a capacity of 500 μF and a voltage of 20 V, it is also suitable for use in fluorescent lamps and other similar power supplies.

Working Principle

An aluminum electrolytic capacitor consists of two aluminum foils with oxide layer separators. The oxide layer is formed by anodizing and acts as an insulating layer as well as a dielectric for the capacitor. The foils are current-carrying electrodes and are referred to as the anode and the cathode. The capacitor also consists of an electrolyte that facilitates the formation and maintenance of the oxide layer between the electrodes. The voltage of the capacitor is determined by the dielectric strength of the oxide layer and the capacitance of the capacitor is determined by the surface area of the aluminum electrodes. When a voltage is applied to the capacitor, current will flow through the electrolyte and form a dielectric layer that increases the capacitance of the capacitor.

Conclusion

Overall, the EKZN500ELL181MH20D aluminum electrolytic capacitor is a general-purpose capacitor suitable for a wide range of applications. It has a high capacity and can operate over a long period of time with low leakage current. Additionally, its working principle is based on the formation of a dielectric layer between two aluminum electrodes that increase the capacitance of the capacitor. As a result, it is an excellent choice for filtering, decoupling, and other related applications.

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