LGN2G121MELZ30

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Aluminum electrolytic capacitors have been around for more than 100 years and are used in a variety of applications, from power supplies to consumer electronics. The LGN2G121MELZ30 is an example of an aluminum electrolytic capacitor that has a long lifespan and stable performance. The application field and working principle of this capacitor will be discussed in this article.

Application Field

The LGN2G121MELZ30 can be used in high-temperature applications such as high-frequency circuits, power supplies, UPS systems, frequency converters and high-speed motor controllers. It is rated for a maximum operating voltage of 250 volts. The capacitor has a capacitance of 1200 µF and a equivalent series resistance of 10 mOhms. It can handle high ripple currents and has a long life expectancy of more than 10000 hours. The capacitor is also Rohs compliant and has a wide temperature range of -40°C to +200°C.

Working Principle

The working principle of an aluminum electrolytic capacitor is based on the concept of capacitance. A capacitance is an electrical field between two conducting plates. In an aluminum electrolytic capacitor, an anode is formed from pure aluminum foil. The anode is then electrolytically etched to form microscopic pores. The pores create a higher surface area that can store electrical energy. A thin layer of aluminum oxide and a thin layer of organic or ceramic material is then applied to the surface of the anode. This is the dielectric material that separates the two electrodes. Finally, a cathode is formed from aluminum foil. The capacitor then charges and stores the electric energy.

The electric current travels through the anode of the capacitor and to the oxidation layer. This charges the capacitor, which stores the electrical energy in the microscopic pores. When the capacitor discharges, the electrons move from the anode to the cathode in the same direction. This causes the capacitor to discharge and the voltage across the terminals of the capacitor to drop.

The LGN2G121MELZ30 is an example of a high quality aluminum electrolytic capacitor that has a wide range of uses, from high-temperature applications to power supplies. Its unique design allows it to handle high ripple currents and store electrical energy in its microscopic pores. It has a long life expectancy and is Rohs compliant. This makes it a reliable and reliable choice for a variety of applications.

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