ELXV250ELL820MFB5D

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, also known as the “electrolytic capacitors”, are energy-storing electrical components. It uses a wet electrolyte as the medium between two parallel aluminum oxide layers to store up energy. Typically, the electrolyte is an aqueous solution of boric acid or an alcohol-based solution. This type of capacitor is an ideal solution for high-voltage applications.

ELXV250ELL820MFB5D

ELXV250ELL820MFB5D is an aluminum electrolytic capacitor. It is a cylindrical surface mount type. It has a maximum capacitance of 820µF, a rated voltage of 250V, and a maximum operating temperature of 85°C. It has an end seal construction design, and features built-in self-healing and over-pressure protection.

Application Field

ELXV250ELL820MFB5D aluminum electrolytic capacitors are widely used in various applications. These include audio-frequency circuits, power supplies, inverters, switching power supplies, and voltage stabilizers.

Working Principle

ELXV250ELL820MFB5D aluminum electrolytic capacitors work by storing energy derived from an electrical current passing through the capacitor’s terminals. The electrolyte solution acts as a bridge between the two opposite-polarity aluminum layers, creating a parallel-plate capacitor. The inverse voltage applied to the capacitor creates a displacement current that stores energy.

When the applied voltage reaches a specific value, the resulting current reverse fluxes through the electrolyte, signifying the time to replace the capacitor. The capacitor’s self-healing function and over-pressure protection feature help to extend its life and reduce the risk of failure. In case of over-current, the capacitor will automatically open and the dielectric film will reform itself.

Conclusion

In conclusion, ELXV250ELL820MFB5D aluminum electrolytic capacitors are widely used in enterprise applications because of their reliability and extended service life. This type of capacitor has a high capacitance compared to other capacitor types, so it is suitable for applications requiring large amounts of stored energy. By understanding the working principle and application field of the ELXV250ELL820MFB5D capacitor, it is easy to utilize this versatile and reliable capacitor in various projects.

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