MAL212385221E3

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Aluminum Electrolytic Capacitors

The Aluminum Electrolytic Capacitors are a type of capacitor whose main capacitor element is made of a metal oxide film. Generally, the most commonly used metal oxide film is a thin aluminum oxide film formed on the surface of a pure aluminum foil as the working electrode. In addition, the high dielectric constant of the metal oxide film makes the capacitor have a high capacitance, so that the capacitor can reach the same capacitance in a very small volume than other capacitors under the same working voltage.

The MAL212385221E3 belongs to a family of aluminum electrolytic capacitors. The MAL212385221E3 has a capacitance between 220uF and 330uF at a voltage between 16V and 25V. The MAL212385221E3 also has 0 or -20% tolerance, depending on the size of the component. The MAL212385221E3 can be used in power electronic industries, measuring instruments than require very low stray capacitance, and as audio crossover capacitors in amplifiers.

The working principle of the MAL212385221E3 aluminum electrolytic capacitor is based on its dielectric material which is an aluminum oxide film. The dielectric material is formed by anodization of aluminum oxide film on the surface of pure aluminum foil and serves as the capacitor\'s working electrode. An electrolyte is filled between the two electrodes, which is either in liquid form or in solid form. The electrolyte is formed by a coated layer of ionic conducting materials such as graphite and/or polymers.

The capacitor works on the principle of charge exchange. When a voltage is applied across the plates, the ions of the electrolyte migrate, causing the plates to become charged. This causes the charge to become stored on the plates, thus forming an electric field. In this way, the desired amount of electric charge is stored on the plates.

The MAL212385221E3 is a long-life aluminum electrolytic capacitor that can tolerate an extended range of temperatures, from -40C to +105C. It also has a very low ESR and high ripple current capability. These characteristics make it ideal for applications such as power supplies, filtering, energy storage in high-temperature environments, and audio filtration and equalization.

In conclusion, the MAL212385221E3 aluminum electrolytic capacitor is a long-life, high-temperature resistant capacitor that is designed for use in a wide variety of applications. With a wide temperature range and low ESR, it is ideal for power supplies, filtering, energy storage, and audio filtration and equalization. It works on the principle of charge exchange, where ions migrate when a voltage is applied across the capacitor\'s plates, resulting in electric charge being stored on the plates.

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