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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, with the reference code 400BXC2R2MEFCCE10X12.5, are the most commonly used capacitors for electrical circuits. They are non-polarized components, which means they can be easily replaced in any orientation. Aluminum electrolytic capacitors are made from an aluminum oxide layer formed over a thin aluminum foil surface. The chemical layer is then rolled into a cylindrical shape.

Application Field

Aluminum electrolytic capacitors can be used in a wide variety of applications, including: AC mains filtering, DC-DC converters, audio power stages, DC servo motors, power supplies, radio frequencies, decoupling, and pulse power. They are suitable for low frequency applications, up to about 200kHz, as well as medium and high frequency applications from 200kHz to 1GHz+.

Working Principle

Aluminum electrolytic capacitors contain electrolyte, which is a solution that contains ions and electrons. The aluminum oxide layer acts as the insulator, while the foil elements act as the conductors. When a voltage is applied to the capacitor’s terminals, the ions from the electrolyte solution move toward one of the terminals, creating an electric field. This electric field is then stored in the capacitor, which is why it is used to store and release energy.

The capacitor has the ability to store the electrical energy even when the voltage is removed, which is why aluminum electrolytic capacitors are used in circuits that require the capacitor to be charged and discharged repeatedly. The capacitor also has the ability to smoothly filter out any frequency components that are not required.

Conclusion

Aluminum electrolytic capacitors, such as the 400BXC2R2MEFCCE10X12.5 reference code, are versatile components that can be used in a wide range of applications. Their ability to both store and release electrical energy and to filter out unwanted frequencies makes them an essential part of many circuits.

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