UVK2W3R3MPD

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitor, usually formed as a cylindrical body, that uses an electrolyte as one of its plates. They are used to store electricity and can be found in a wide variety of applications. They offer a great amount of capacitance in a small form factor and have a low equivalent series resistance that makes them suitable for high frequency applications.

UVK2W3R3MPD Application Field and Working Principle

The UVK2W3R3MPD is an example of an aluminum electrolytic capacitor. It is a high voltage polymer body aluminum solid electrolytic capacitor, with a rated voltage range of up to 3 KV. It is ideal for applications such as LED drivers, high voltage DC-DC converters, lighting ballasts, motor drives, and inverters. It features a long shelf life, low ESR and excellent ripple current characteristics, while its polymer body design improves safety against explosions due to voltage surge.

The capacitor works by utilizing two electrodes, separated by an insulating material called a dielectric, and submerged in an electrolytic solution. One of the electrodes is a sheets of aluminum foil, coated with a porous insulator known as an anode. The other electrode is a metal oxide, which acts as the cathode. The anode is the positive terminal of the capacitor and the cathode is the negative terminal.

The electrolytic solution is the key component of the capacitor, as it allows electrons to flow freely between the anode and cathode. When an electric current is applied, ions from the electrolytic solution are attracted to the anode, forming an electric field around it. As these ions are attracted, they form a layer of electrons around the anode surface, creating an accumulation of charge on the anode. This charge is stored and provides the capacitor with its ability to store energy.

As the capacitor discharges, electrons are transferred from the anode back to the cathode, through the electrolytic solution. This process creates a flow of electricity, and the capacitor is then able to release the energy it was storing. The speed and control of this process is dependent on the type and quality of the electrolytic solution used.

UVK2W3R3MPD aluminum electrolytic capacitors offer high voltage performance with their solid polymer bodies, as well as low ESR and excellent ripple current characteristics for longer life and greater stability. They are ideal for a variety of high voltage applications, such as LED drivers, high voltage DC-DC converters, lighting ballasts, motor drives, and inverters.

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