MAL216055222E3

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Aluminum electrolytic capacitors have a long history in electronics, dating back to the 1950s. These types of capacitors are constructed differently than most other types, and their physical construction determines how they work. Having a strong understanding of the physical construction and operation of aluminum electrolytic capacitors will allow users to make better choices when selecting capacitors for their electronics applications.

MAL216055222E3 Application Field and Working Principle

The MAL216055222E3 is an aluminum electrolytic capacitor with an expansive application range. It is a miniature solid radial-leaded polarized capacitor with three main characteristics including its low equivalent series resistance (ESR), medium capacitance, and high voltage rating. It is an ideal choice for general-purpose capacitor applications, such as automotive electrical systems, lighting systems, and DC power supplies.

Aluminum electrolytic capacitors are constructed differently than many other types of capacitors. The components of an aluminum electrolytic capacitor include two aluminum foils, a separator paper that acts as the insulating layer, and a wet electrolytic system. The two aluminum foils act as the positive and negative terminals and are surrounded by a separator paper to insulate the foils from each other. A wet electrolytic system is then used to coat the aluminum foils, which consists of manganese dioxide and a liquid electrolyte. This provides additional insulation.

The working principle of an aluminum electrolytic capacitor works similarly to a water pump. When electric current is applied, an electric field is created within the capacitor, which causes a movement of electrolyte ions (similar to the water in a pump). The ions then form a layer on the aluminum foil surfaces, which separate the two foils, creating a capacitor. The capacitance of the capacitor is determined by the area of the two aluminum foils and the separator paper used in the construction, as well as the type of electrolyte.

The MAL216055222E3 is an aluminum electrolytic capacitor that is ideal for general-purpose applications. It is constructed with two aluminum foils, a separator paper, and a wet electrolytic system. The two aluminum foils act as the positive and negative terminals, while the separator paper and electrolyte system provide additional insulation. When current is applied, the electric field within the capacitor causes ions to move and form a layer between the two foils, creating a capacitor. The capacitance of the capacitor is determined by both the area of the aluminum foils and the type of electrolyte used.

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