LGN2D122MELA50

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An aluminum electrolytic capacitor, often simply called an electrolytic capacitor, is a type of capacitor that uses an electrolyte to achieve a larger capacitance than other capacitor types. Aluminum electrolytic capacitors are widely used in many types of electronic equipment, including power supplies, computers, cell phones, and audio systems. The LGN2D122MELA50 is one such type of aluminum electrolytic capacitor and has many applications. This article will explain what the LGN2D122MELA50 is and how it works.

Overview

The LGN2D122MELA50 is an aluminum electrolytic capacitor. It is rated at 50V with a capacitance of 2.2µF. It has a maximum operating temperature of 105°C and is a surface mount device with ametric 12.5 x 12.5 mm body. The case is insulated by a steel, aluminum, or epoxy composite case and has a rated leakage current of 0.3mA.

Applications

The LGN2D122MELA50 is a durable and reliable capacitor that is well-suited for high-temperature applications such as motor drives, power converters, and DC-to-DC converters. It can also be used in medical devices, testing equipment, and general purpose AC circuits. Furthermore, it can be used in SMPS power supplies, automotive audio systems, and data processing equipment.

Working Principle

The LGN2D122MELA50 uses an aluminum foil as its anode material, which is charged by applying a voltage between its terminals. The electrolyte surrounds the anode and acts as an ionic conductor, allowing for a large capacitance to be achieved. When the capacitor is charged, ions from the electrolyte are attracted to the anode surface and form a thin layer of oxide that increases the surface area. This layer of oxide contains ionic particles that provide a high capacitance value.

When a DC voltage is applied between the two terminals, the current passing through the electrolyte causes the oxide layer to oxidize and the capacitance value to increase. As the voltage increases, the oxide layer on the anode is thicker, resulting in a higher capacitance value. The capacitance value of the LGN2D122MELA50 can reach up to 2.2µF when the voltage applied is 50V.

Conclusion

The LGN2D122MELA50 is a type of aluminum electrolytic capacitor that is well-suited for high-temperature electronic applications such as motor drives, power converters, and DC-to-DC converters. It has a capacitance of 2.2µF and can withstand a maximum operating temperature of 105°C. Additionally, it has a rated leakage current of 0.3mA and can be used in a wide variety of electronic devices and equipment. Its working principle relies on applying a DC voltage between the two terminals, which causes the oxide layer on the anode to oxidize and increase the capacitance.

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