MAL202123102E3

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Aluminum electrolytic capacitors, also known as electrolytic capacitors, are a type of capacitor that uses an electrolyte to obtain a large capacitance. It is mainly used to store charging energy or filter signal. The MAL202123102E3, an aluminum electrolytic capacitor, is a radial-type aluminum electrolytic capacitor built with the advantage of a large capacitance value. This capacitor is designed using standard materials, making it especially suitable for use in commercial grade applications.

Configuration

The MAL202123102E3 is a 20mm radial aluminum electrolytic capacitor which has a diameter of 12mm and a height of 10.2mm. It is a long-life capacitor with a rated lifetime of 10,000 hours under 70°C, allowing it to endure for longer periods of time in most applications. The rated voltage of this capacitor is 250V, while the capacitance value is 100uF (105C). Furthermore, the ESR of this capacitor is 98mΩ (max) at 20°C and 120Hz.

Material

The MAL202123102E3 aluminum electrolytic capacitor uses aluminum as the anode, and a special electrolytic paper is used as the separator and dielectric. The electrolyte is composed of various acids and organic and inorganic compounds. When the positive and negative electrodes are made of aluminum foil, the oxide film on the surface of the aluminum foil acts as a dielectric.

Construction

The construction of the MAL202123102E3 includes an anode made of aluminum foil, a separator and dielectric, a metal case, and an electrolyte. The anode is composed of an aluminum foil that has an oxide film on its surface. The separator and dielectric are a special electrolytic paper which serves the purpose of further strengthening the capacitor\'s ability to withstand voltage. The metal case encloses the capacitor and helps protect it from environmental and mechanical damage. The electrolyte is composed of various acids and organic and inorganic compounds.

Application Field

The MAL202123102E3 aluminum electrolytic capacitor is mainly used in commercial grade applications, such as in power supplies, inverters, electrical appliances, and consumer electronics. Its long service life and high capacitance value makes it suitable for these applications.

Working Principle

The MAL202123102E3 aluminum electrolytic capacitor works on the principle of electrolysis. When the capacitor is charged or discharged, the electric current passes through the electrolyte between the anode and the cathode, and the anion in the electrolyte is deoxidized, forming an oxide film on the surface of the anode. This oxide film acts as a dielectric medium between the two working electrodes, enabling the capacitor to store energy and filter the signal.

Conclusion

The MAL202123102E3 is an aluminum electrolytic capacitor of a high quality, suited for commercial grade applications. Its features include a standard material construction, 10,000 hours of rated lifetime at 70°C, and a rated voltage of 250V. The working principle of this capacitor relies on the formation of an oxide film on the surface of the anode to serve as the dielectric medium, thus enabling it to store energy and filter the signal. The MAL202123102E3 is a great option for those looking for a reliable capacitor.

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