LQR2G392MSEGBB

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Aluminum electrolytic capacitors are widely used in electric, electronic and communication fields. They can be used as energy storage devices, frequency compensating elements, filters, timing devices, noise suppression devices, and lightning arrester modules. LQR2G392MSEGBB is a type of aluminum electrolytic capacitor, it has quite high capacitance making it suitable for many applications. In this article, we will discuss the application field and working principle of LQR2G392MSEGBB.

The Application Field

LQR2G392MSEGBB has a high capacitance, a large range of rated voltage, and a wide temperature range. It is widely used in consumer electronics, industrial, automotive, energy and telecommunication fields, and also suitable for various power supply configurations, including: AC-DC converters, DC-DC converters, constant current regulators and many other frequency conversion power supplies. As a high electromechanical device, it also has application in motors and actuators for peak current absorption.

In addition to these high-volume applications, LQR2G392MSEGBB also has some specific niche applications. For example, in high-frequency switching power supplies, it can be used for short-term peak current absorption, and it can also be used in applications that require high capacitance, like if there is a need to reduce the circuit size by increasing capacitance.

The Working Principle

The working principle of aluminum electrolytic capacitor is based on Faraday’s laws of electrolysis. An electrolytic solution made up of an electrolyte and ions from the plate is contained inside the capacitor. The two plates (the one with the anode and the one with the cathode) have different potentials, causing a current constriction through the electrolytic solution. A fine oxide film forms on the surface of the anode when an oxide layer is added on the surface of the cathode.

When the voltage is applied, a charge builds up on the electrode and the dielectric polarization increases, resulting in increased capacitance. In aluminum electrolytic capacitors, the anode consists of an aluminum foil and electrodes, while the cathode consists of a paper substrate covered with a specific coating. The dielectric layer is formed on the anode when the capacitor is pre-charged in the manufacturing process.

At the same time, a layer of oxide film is formed on the anode which increases the surface area, leading to increased capacitance. This increased capacitance is achieved as electrons from the anode are forced into the oxide layer, thus the anode voltage drops and electrons flow from the cathode to the anode, increasing the capacitance.

Conclusion

LQR2G392MSEGBB is a aluminum electrolytic capacitor which is widely used in many application fields and can be used for various power supply configurations. It has a high capacitance, a large range of rated voltage, and a wide temperature range. The working principle of aluminum electrolytic capacitors is based on Faraday\'s laws of electrolysis, where a fine oxide film forms on the anode when an oxide layer is added on the surface of the cathode.

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