LGL2G391MELC25

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Aluminum electrolytic capacitors are one of the most commonly used components in consumer electronics, automotive, and industrial applications. They are employed in a wide variety of circuits, from simple filters and timing components, to more sophisticated power supplies, powering electric motors and communication systems. The LGL2G391MELC25 capacitors are designed for high ripple current ratings, low ESR, and high reliability. They are used in a variety of power electronics and control applications.

The LGL2G391MELC25 is a type of aluminum electrolytic capacitor. This product features a capacitance of 391µF with a rated working voltage of 25 V DC. It consists of a cylindrical aluminum can with a cathode lead, an anode lead, and a longitudinal seam along its length. The capacitor is often shrouded in a glass sleeve or filled with a dielectric fluid to reduce noise and extend its life. The capacitor has a rated temperature range of -40°C to +85°C and a tolerance of ±20%.

The working principle of aluminum electrolytic capacitors is the same as that of other capacitors. When a voltage is applied to the capacitor, an electric field is created. This electric field causes electrons to flow between the plates of the capacitor, storing electric energy. The capacitance of the aluminum electrolytic capacitor is determined by the type of material used for the electrodes, the size, shape, and volume of the dielectric, and the thickness of the aluminum oxide layer that forms between the two conducting plates.

In the LGL2G391MELC25 aluminum electrolytic capacitor, the capacitance is determined by a combination of the above factors. The two conducting plates, made of aluminum foil, are insulated from each other by a very thin layer of aluminum oxide. This layer is formed through an electrolytic reaction, in which a direct current is passed through the capacitor. The aluminum foil forms an anode, and the aluminum oxide layer forms a dielectric between the two electrodes. When an AC or DC voltage is applied to the capacitor, an electric field is created, and this electric field induces an electric current to flow between the electrodes.

Aluminum electrolytic capacitors are widely used in various types of circuits, such as power supplies, motor control, and signal processing, due to their high capacitance and low DC leakage. The LGL2G391MELC25 capacitors are designed to operate reliably under high temperatures and high voltage ripple. They are commonly used in automotive, industrial, and consumer electronics applications, where their performance and reliability are essential.

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