MAL215232479E3

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Aluminum electrolytic capacitors, also known as electrolytic capacitors, are polarized capacitors whose anode electrode is a pure aluminum foil with an oxidized thin layer serving as a dielectric material, and whose cathode is an aluminum foil with a lot of rectangular etched grooves serving as tiny reservoirs for the electrolyte. The electrolyte is an ionic conductive liquid which bridges the two electrodes and enables it to function as a capacitor. The MAL215232479E3 can withstand a rated voltage of 10V and has a capacitance of 4.7µF, making it suitable for applications requiring low voltage and relatively high capacitance.

Application Fields

MAL215232479E3 aluminum electrolytic capacitors are one of the most commonly used types of polarized capacitors in both AC and DC circuits and can be found in a wide variety of applications. These include power supply filtering on consumer product circuits, holding charge in DC blocking applications, coupling and decoupling of audio signals in sound systems, power supply of integrated circuits, elimination of oscillatory circuit in conveying equipment, input/output blocking in UPS output circuits, discharge of energy storage in hybrid electric vehicles, power line transients suppression, and protection on customer electronics just to name a few.

Working Principle of Electrolytic Capacitors

An aluminum electrolytic capacitor works by exploiting the thin oxide layer created on the surface of the aluminum material in order to achieve highly effective capacitance. When a DC voltage is applied in the capacitor, current passes through the electrolyte to the anode foil of the capacitor. Electrons are released from the anode, forming an electric field on the anode, which in turn attracts electrons in the liquid electrolyte. This process creates an electric current that deposits a thin film of aluminum oxide on the anode, and at the same time causes ions to be absorbed into the metal surface of the cathode side of the capacitor. Thus, a complete electric field is established between the anode and cathode, consisting of the thin aluminum oxide layer created on the anode side and the ions absorbed in the metal surface on the cathode. This field continuously charges and discharged creating the capacitance effect that is transferred out of the capacitor as an AC or DC power source.

Conclusion

When it comes to finding a high-quality polarized capacitor for a wide range of low voltage applications, aluminum electrolytic capacitors like MAL215232479E3 are a reliable option. Its excellent capacitance and ability to withstand relatively high voltage make it a great choice for all kinds of applications, including filtering power supplies, blocking DC power, eliminating circuit oscillations, and much more. As a result, the MAL215232479E3 can be found in many different applications and, when correctly used, will provide reliable results for a long period of time.

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