LGX2W271MELB40

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Aluminum electrolytic capacitors are a type of capacitor that uses a thin aluminum oxide film as the dielectric layer. These capacitors have the highest energy density of all capacitor types and have a wide range of applications including decoupling, filtering, and power management.

The LGX2W271MELB40 is a radial aluminum electrolytic capacitors designed for use in high-frequency applications where space is limited. The component is rated for 190V, and it has a maximum working frequency of 500kHz. The capacitor is designed to have a long life and reliable performance in a wide variety of environmental conditions, including temperatures up to 85°C.

Application Field

The LGX2W271MELB40 is most commonly used in the automotive and industrial sectors, as it offers a high degree of performance and reliability in areas that require precise control of voltage, current, and frequency. This makes it well suited for use in electric motor control systems, such as motor speed control apparatus and automotive fuel injection systems.

It is also used in consumer electronics and telecom applications, as it offers good filtering performance at high frequencies and is compatible with standard surface mount assembly procedures. In addition, the component is able to handle high levels of vibration, making it suitable for consumer and automotive applications alike.

Working Principle

An aluminum electrolytic capacitor is composed of two aluminum foil plates, separated by a thin insulating layer. The anode foil is etched to provide a large surface area and porous anode foil. The negative foil (or cathode) is a thin and smooth foil. The anode foil is sprayed with an electrolyte and acted as an electrolyte reservoir and also serves to increase the capacitance of the component. The electrolyte forms a conducting boundary layer between the two foils, which is the dielectric layer. A controlled pressure is then applied to the aluminum foils in order to increase the contact area between them, and the dielectric layer.

When a voltage is applied to the capacitor, the positively charged ions of the electrolyte are attracted to the negative electrode, while the negatively charged ions are attracted to the positive electrode. This creates an electric field across the dielectric layer, which allows the capacitor to store energy. As the voltage is changed, the electric field across the dielectric layer changes, leading to an energy transfer between the foils.

The LGX2W271MELB40 is a radial aluminum electrolytic capacitor that offers high performance and reliability for a wide variety of applications. The component has a long life and is rated for a maximum working frequency of 500kHz, making it suitable for use in high-frequency applications where space is limited. The aluminum electrolytic capacitor is used in automotive and industrial applications, as well as consumer electronics and telecom applications.

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