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Aluminum Electrolytic Capacitors

LGJ2G820MELC15 is an aluminum electrolytic capacitor and has widespread uses in industrial and consumer electronics. Aluminum electrolytic capacitors are polarized capacitors and consist of two aluminum foil layers that are separated by an insulating layer of dielectric material. An electrolyte composed of a gel or liquid is sandwiched between the foil layers, hence the name “electrolytic.”

Application Field

The range of application of aluminum electrolytic capacitors is vast. These capacitors are mainly used in the power supply circuits of computers and other consumer electronic devices. They are also used to filter any RF interference in power supply systems. In the acoustic fields, aluminum electrolytic capacitors are used in amplifiers, pre-amplifiers, equalizers, etc. They are also used in industrial applications such as motors, PLCs, lighting and industrial voltage regulation.

Working Principle

The working principle of aluminum electrolytic capacitors is based on electrolytic action. An electrolyte is placed between the two aluminium foils, which forms an oxide layer that acts as the dielectric layer. This oxide layer is formed due to the electrolytic action of the electrolyte in the presence of a voltage on the capacitor. The oxide layer prevents the electric current from flowing between the two aluminium foil layers. Thus, the electric charge can be stored, and the capacitor can be used for storing energy. The amount of energy stored is determined by the capacitance of the aluminum electrolytic capacitor.

In addition to this, aluminum electrolytic capacitors are also able to withstand a high ripple current and maintain a low ESR (Equivalent Series Resistance). This allows the capacitor to maintain stable performance in a wide variety of applications. Furthermore, aluminum electrolytic capacitors have a long life due to their ability to operate at high temperatures and the fact that they can be used for thousands of charge/discharge cycles.

Conclusion

LGJ2G820MELC15 aluminum electrolytic capacitors are used in a wide range of applications due to their stability, long-term reliability, and the ability to withstand high ripple currents. The working principle of aluminum electrolytic capacitors is based on electrolytic action, which allows them to store energy. These capacitors can be used in a variety of industrial and consumer electronics applications due to their stability and reliability.

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