UVR2E471MRA

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Aluminum electrolytic capacitors are electronic components widely used in circuit applications for a variety of purposes, such as decoupling, filtering and energy storage. UVR2E471MRA is a type of axial aluminum electrolytic capacitors with polarized terminals. They are characterized by a relatively low impedance, high energy density, low internal resistance and excellent overvoltage capability.

The UVR2E471MRA capacitor features a nominal capacitance from 470µF to 22000µF and maximum operating temperature of 85°C. It has a rated voltage of 2V, 5V, 10V, 16V and 25V and rated ripple current of up to 465mA. It also features a corrosion resistant case which helps to extend its service life in high humidity environments.

The main application fields for UVR2E471MRA capacitors include power supply circuits, AC/DC converters, LCD TV and various other PCB circuits. They are also used as input and output capacitors for switch mode power supplies and active filters.

UVR2E471MRA capacitors work on the principle of electrolysis. The electrolyte solution represents a porous membrane separating two electrodes of opposite polarity, an anode and cathode. The electrolyte also serves as a medium for charging the capacitor with an electrical charge. The electrical charge stored in the capacitor is either electron (negatively charged) or hole (positively charged).

In operation, charge carriers flow between the anode and cathode electrodes forming a conductive path between them. When a voltage is applied between the anode and cathode, it creates an electric field across the electrolyte. This electric field induces a reaction in the electrolyte, allowing ions to pass through the porous membrane from the anode to the cathode. In this way an electric current is established across the capacitor and the electric charge is stored.

The high energy density of an UVR2E471MRA capacitor makes it an ideal choice for use in various electrical circuits, such as power supplies, active filters, and LCD TVs. Moreover, its corrosion resistance, low internal resistance and good overvoltage capability help to extend its service life under harsh environmental conditions.

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