CGS104U075X5L

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Aluminum Electrolytic Capacitors

The CGS104U075X5L is an aluminum electrolytic capacitor; a type of capacitor that utilises a chemical process between two aluminum plates to create a stored charge. As one of the most common type of capacitors on the market, aluminum electrolytic capacitors are used in a wide variety of fields and applications. In this article we will explore the specific application fields of the CGS104U075X5L, as well as the general working principles behind other aluminum electrolytic capacitors.

Applications

The CGS104U075X5L is a type of aluminum electrolytic capacitor that is primarily used in high-end audio switching applications. This type of capacitor is typically used to filter out frequency, suppress noise, and reduce high-frequency electrical interference. It is also often used as a coupling measures in radio communication systems. Due to the capacitor’s high insulation capacity, it is often used to prevent the possible buildup of high voltages, which can be especially dangerous in high-voltage circuits.

Working Principle

Aluminum electrolytic capacitors generally consist of two aluminum foils covered in an electrolytic metal oxide film. When a voltage is applied across the two foils, an electrical current begins to flow, which causes an electrochemical reaction. This reaction creates a porous layer of oxide on the negative foil. This layer acts as a dielectric between the two foils, allowing charge to be stored. The layer of oxide also serves to increase the capacitor’s effective capacitance, since it introduces an insulating layer between the two conducting foils. This is known as the polarization effect.

Aluminum electrolytic capacitors are known for having a wide capacitance range and high insulation limits. Depending on the type of electrolyte used, they are typically limited to a maximum voltage of around 450 volts. There are also specialty aluminum electrolytic capacitors with modified construction, such as the “sleeved” or “screw-terminal” type, that are meant for use in higher-voltage or higher-frequency circuits.

In addition to the high capacitance and insulation values, aluminum electrolytic capacitors also have a relatively high series resistance and leakage current. The series resistance is the resistance to current flow through the capacitor plates, while the leakage current is the current that will flow through the capacitor even when no voltage is applied. The series resistance and leakage current of the CGS104U075X5L are both specified as 1 Ohm and 0.1µA respectively.

Conclusion

In conclusion, the application field of aluminum electrolytic capacitors such as the CGS104U075X5L is vast and varied. These capacitors are typically used in high-end audio switching applications due to their high insulation capacity, wide capacitance range, and relatively low series resistance and leakage current. The working principle of aluminum electrolytic capacitors is based on an electrochemical reaction between two aluminum plates, which forms a layer of oxidized metal that acts as a dielectric between the plates. This layer increases the effective capacitance of the capacitor, allowing for higher capacitance values and higher insulation ratings.

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