420QXW100MEFC16X31.5

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Aluminum electrolytic capacitors are a type of capacitor widely used in modern electronics due to their low cost and high capacitance per unit volume. This type of capacitor makes use of anodic aluminum oxide as its dielectric medium, with a thin layer of pure aluminum on the upper surface. The metal layer polarized by the electrolyte, creating two plates, the anode and the cathode. The anode is the positive side and the cathode is the negative side.

420QXW100MEFC16X31.5 aluminum electrolytic capacitors are designed for both surface mount and through-hole applications. They offer a reliable and cost-effective solutions for applications requiring high capacitance, including low-frequency filter networks, input/output filtering, pulse power supplies, audio crossover networks, and many other applications. The capacitors are available in a wide range of capacitance values from 1uA to 1000uA, and voltage ratings from 25V to 100V.

The most popular style of the 420QXW100MEFC16X31.5 is the axial type, which consists of two aluminum plates connected together by a metal or plastic terminal. The plates are then wrapped in a protective coating of dielectric oil or epoxy resin. Axial components come in both radial and snap-in varieties. The snap-in version has lugs that fit into slots on a PCB, which provides additional stability in tight mounting applications.

The working principle of aluminum electrolytic capacitors is a combination of the basic laws of electrochemistry. The electrolyte is a conductive liquid that provides both the ionic and electronic connection between the two plates. When a voltage is applied across the plates, an electric field is generated that is strong enough to reduce the dielectric strength of the oxide film. This reduces the capacitance, which increases the capacitance of the plate.

In order to maintain a stable amount of capacitance, the electrolyte must be constantly replenished by a steady supply of ions. This is done through the use of two electrodes, one connected to the anode and the other connected to the cathode. The applied voltage causes an electric current to flow between these two points, which replenishes ions and provides the necessary charge for the capacitor to function.

420QXW100MEFC16X31.5 aluminum electrolytic capacitors are especially suitable for demanding applications, where high reliability and small form factor are required. The unique dielectric properties of aluminum electrolytic capacitors make them well suited for applications such as power supplies, DC voltage regulation, and power filtering. The rugged design ensures reliability and long life in demanding industrial and military applications.

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