MAL214858681E3

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Aluminum electrolytic capacitors are electronic components used in electronic circuits, consisting of an inert anode of aluminum foil covered in a layer of oxide which acts as a dielectric, a cathode foil separated by a paper spacer, and an electrolyte of water, glycol, or oil, usually in a container of metal or plastic. The MAL214858681E3 aluminum electrolytic capacitor, in particular, is designed for use in DC-DC converters, switched-mode power supplies, frequency converters, and other power electronics applications. It is designed to provide reliable operation in a wide range of conditions, including high temperatures, and features an impressive ESR value of 0.0015 Ω/V.

The MAL214858681E3 aluminum electrolytic capacitor has an operating temperature range of -55°C to +105°C. Its long life characteristics make it a reliable choice for 50,000 to 100,000 hours of continuous operation in most industrial applications. The capacitor is designed with a high ripple current capability, making it an ideal choice for applications which require frequent or quick power cycling, as it can withstand high voltage and high frequency spikes without excessive heating or other damage. It also features a non-solid electrolyte with low voltage and high frequency characteristics which makes it ideal for handling high-frequency switching circuits.

The working principle of an aluminum electrolytic capacitor is based on the principle of electrolysis and is related to the Faraday law of electrolysis. When a voltage is applied between two electrode plates, a current will flow between them. The current will cause the oxidation/reduction of electrolyte ions, which results in the formation of a conducting layer of oxide on the aluminum plate. This plate acts as a dielectric and thus, electrolytic capacitors offer high capacitance values at a relatively small size. The oxide forms an electric double layer, which acts as a dielectric between the two electrodes. The dielectric provides high capacitance values and the current passes through the electrolyte without losses.

The MAL214858681E3 is a polarized aluminum electrolytic capacitor, meaning that it must be connected in the correct orientation to ensure reliable operation. The negative terminal is connected to the anode plate of aluminum, while the positive terminal is connected to the cathode. The electrolyte must also be connected correctly, as the anode and cathode must be at different levels, with the cathode submerged in the electrolyte. The capacitor must only be connected in the specified orientation as any reversed polarities can cause capacitor damage.

The MAL214858681E3 aluminum electrolytic capacitor is ideal for power electronics applications, as it has a long life and can handle high voltage, high frequency spikes without damage. Its low ESR value makes it a good choice for high frequency switching circuits, while its low voltage and high frequency characteristics allow it to be used in DC-DC converters and switching power supplies. Its polarized design ensures that it must be connected correctly in order to work, but it is this feature which also makes it an excellent choice for these applications.

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