MAL202139479E3

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Aluminum electrolytic capacitors are one of the most commonly used types of capacitors because of their excellent electrical characteristics. The MAL202139479E3 is an aluminum electrolytic capacitor with a rated voltage of 250V and a 0.68uF capacitance. It is designed to be used in a wide range of applications, from power supplies and DC-DC converters to audio amplifiers and low pass filters. Its wide range of applications makes the MAL202139479E3 an ideal choice for many applications.

The MAL202139479E3 is a non-polarized capacitor, meaning that it does not require a positive and negative lead to maintain its charge. It contains two metal plates, one made of aluminum and one made of a material such as tantalum or doped aluminum. The two plates are separated by an electrolytic solution of clearance material and act as a dielectric, or insulator, between the two plates. The electrolytic solution can take on any form, from a combination of water and ethanol to an aqueous electrolyte consisting of acids, bases, and salts.

The aluminum plate in the MAL202139479E3 is coated with an oxide layer of about 20Å thickness. This layer effectively acts as a barrier, preventing the electrons of the metal plate from passing through the electrolytic solution. Under the influence of an electric field, the electrons are forced to flow around the oxide layer, creating an electric field across the metal plate. This electric field causes a small amount of current to flow between the two metal plates, which creates a charge across the capacitor.

The main factor that determines the capacitance of the MAL202139479E3 is the amount of oxide layer on the aluminum plate. By increasing the oxide layer, either through chemical etching or electroplating, the capacitance of the capacitor is increased. Other factors such as temperature and voltage also play an important role in determining the capacitance of the MAL202139479E3. At higher temperatures, the oxide layer becomes more conductive and the capacitance increases, while at lower temperatures the capacitance decreases.

The MAL202139479E3 is suitable for applications that involve high frequencies, such as radio and audio equipment, as well as low voltage circuits, including power supplies and DC-DC converters. It is also commonly used in audio amplifiers and low pass filters, as well as other applications. Due to its excellent electrical characteristics and wide range of uses, the MAL202139479E3 has become a popular choice among engineers and designers alike.

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