B43457A2109M000

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are electrical components utilized for their ability to store electrical energy. This is a type of capacitance with a large capacitance value per unit volume, created due to the thin insulating layer which is formed within the capacitor. This type of capacitor finds its widespread application in electronic devices, especially those that require large capacities of energy storage. It is also one of the most common capacitors used in consumer electronics.

B43457A2109M000 Application Field and Working Principle

The B43457A2109M000 is an aluminum electrolytic capacitor manufactured by EPCOS. It is a non-solid aluminum type capacitor with a rated voltage of 400 V, rated capacitance of 9.4 mF, and a working temperature range of -40°C to +85°C.

This type of capacitor is mainly used in power-electronic applications, such as in AC motor drives, UPS systems, and high voltage installations circuits, to store and release energy. It is also suitable for high frequency application such as in mobile communication systems, TV receivers, switch mode power supplys, and LED lighting.

The working principle of an aluminum electrolytic capacitor is based on the polarization process of the electrolytes. Inside the capacitor, two aluminum foils are anodized with oxide layers to act as a dielectric. The foils are separated by an electrolyte and are arranged in a \'sandwich\', with thin separator layers. When a voltage is applied, the electrostatic effect of the polarization causes the oxide layer to lower its dielectric constants.

This effect creates an electric field between the electrodes, allowing a capacitor to store electric charges and provide a source of power when needed. Additionally, due to the breakdown voltage of the electrolytic dielectric, the capacitor can release electric charges quickly.

Conclusion

The B43457A2109M000 aluminum electrolytic capacitor is an efficient and reliable electrical component designed for applications requiring large capacity of energy storage. Its working principle is based on the polarization process of the electrolyte, allowing it to store electric charges and release electric charges quickly when needed.

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