MAL201361689E3

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Aluminum Electrolytic Capacitors, such as MAL201361689E3, are widely used in electronics, electrical engineering and power management technology. They are capacitor components with a long history and wide application range. The main characteristics of MAL201361689E3 interior aluminum electrolytic capacitors are as follows:

Application Fields

The most common application for MAL201361689E3 aluminum electrolytic capacitors is to provide the energy or charge needed to start the circuit. This application is widespread in automotive, industrial, consumer, computer, telecommunications, medical and military electronics. Its primary function in these applications is to store the energy needed to bridge short-term power drops during short-term operation and to maintain circuit stability.

Furthermore, such capacitor type can be used for signal filtering, enforcing signal fluctuations when data is transmitted and emissions noise shielding.

Working Principle

An aluminum electrolytic capacitor is an active component consisting of two planar electrodes, which are having an insulating separator in between. The insulating separator consists of a dielectric oxide layer formed on aluminum foils. The aluminum foil acts as an anode while the other electrode, usually a lead wire, acts as a cathode. When connected to the circuit, the capacitor charges and discharges itself.

The capacitance of an aluminum electrolytic capacitor is determined by the area of its plates and their distance apart. As the distance between the plates and the area of the anode are relatively constant, a larger capacitance comes from increased area of the oxide separator and the thickness of the electrolyte layer. Since the thickness of the aluminum oxide layer increases with charging, the capacitance of the aluminum electrolytic capacitor increases with increasing charging voltage.

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