LGX2D222MELC50

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are polarized electrolytic devices that contain a liquid electrolyte and use an aluminum oxide film as a dielectric. They are capable of offering very high capacitance in small form factors and are available may different case sizes and designs. Additionally, aluminum electrolytic capacitors offer temperature ratings up to 105°C and long life cycles of up to 10,000 hours.

Specifically, the LGX2D222MELC50 aluminum electrolytic capacitor is a miniature, radial-leaded device with a rated voltage of 12V. It has a capacitance value of 220µF and a current leakage of 24µA. Furthermore, it has an operating temperature range from -40 to +105ºC and a maximum ripple current of 400mA at 100KHz/105°C. Finally, the LGX2D222MELC50 has an insulation resistance rating of 50,000MΩ·μF (at rated voltage and 20°C).

Application Fields

Aluminum electrolytic capacitors like the LGX2D222MELC50 are commonly used in a variety of different applications including power supplies, UPS systems, motor controls, and more. Additionally, they are often employed in filtering circuits, switcher circuits, timing circuits, voltage regulators, and AC-DC converters. The high capacitance and wide voltage range of these aluminum electrolytics makes them capable of handling high-current and high-frequency circuits.

Working Principle

At its core, the LGX2D222MELC50 aluminum electrolytic capacitor works similarly to other capacitors, but with the added benefit of enhanced capacitance due to the use of the aluminum-oxide material. A standard cylindrical capacitor is constructed from two metallic plates held together and separated by a dielectric material, typically paper or plastic. In an aluminum electrolytic design, two electrolytes are added, typically on the positive and negative sides of the capacitor. This electrolytic capacitor design creates far more capacitance than standard capacitor varieties.

When a voltage potential is applied to an aluminum electrolytic capacitor, a strong electric field is created across the dielectric material, which causes a layer of oxide to form on the aluminum electrode. This oxide layer is what allows such large amounts of capacitance to form and vary depending on the amount of charge that is present. The LGX2D222MELC50 is particularly capable of accommodating stronger electric fields and larger voltage potentials, making it highly suitable for high-power applications.

Conclusion

The LGX2D222MELC50 aluminum electrolytic capacitor is an excellent choice for various applications that require a high capacitance value and robust performance. The compact design, wide temperature range, and long lifespan make it particularly suitable for power supplies and other systems that require consistent performance and durability over long periods.

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