UVZ1H472MRH

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Aluminum electrolytic capacitors are one of the most widely used capacitor types due to their low cost, high capacity, and high reliability. They are typically used in power supplies, power line filtering, amplifiers, energy storage and peak current absorption circuits, and many other applications. One example of an aluminum electrolytic capacitor is the UVZ1H472MRH. This capacitor has a maximum working voltage of 50V and a capacitance of 47μF.

The construction of an aluminum electrolytic capacitor begins with a metal case, usually made of aluminum, and two closely spaced aluminium foils. The anode foil is etched to provide a large surface area, and two layers of paper are inserted between the two foils. The paper is soaked with an electrolytic solution, such as manganese dioxide. The electrolyte solution and the anode foil act as the dielectric, which is necessary to create the electrical field. A metalized film is often used on the anode foil to further reduce the effective series resistance.

The working principle of an aluminum electrolytic capacitor is based on the fact that when electric current moves through an electrolytic solution, it creates an electric field that polarizes an electrolyte charged with ions. The positive electrode, or anode, is typically the aluminium foil, while the negative electrode, or cathode, is typically the manganese dioxide electrolyte solution. This electric field causes molecules to align in the direction of the electric field, creating an electrical double layer of positive and negative charges at the interface between the two electrodes. It is this electric double layer that acts as the capacitor dielectric, and allows the capacitor to store electrical charge.

As aluminum electrolytic capacitors are designed to provide high capacitance in a relatively small package, they are often used in applications such as power supplies, audio amplifiers, power line filtering, energy storage, and peak current absorption circuits. They are also popular in electronic design because of their ease of use, low cost, and ability to meet a variety of design requirements. Additionally, aluminum electrolytic capacitors are highly reliable and have a long service life, making them an ideal choice for many applications.

In conclusion, the UVZ1H472MRH is a type of aluminum electrolytic capacitor. Its construction consists of two closely spaced aluminium foils, a metal case, and a manganese dioxides electrolyte solution. Its working principle is based on the electric double layer created at the interface between the anode and cathode, which provides the electrical field necessary for the capacitor to store charge. Due to their low cost, high capacity, and high reliability, aluminum electrolytic capacitors are used in a wide variety of applications, including power supplies, audio amplifiers, power line filtering, energy storage, and peak current absorption circuits.

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