UUX2D4R7MNL1GS Capacitors

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Aluminum electrolytic capacitors, which offer relatively high capacitance in a small package, have been used for a wide variety of applications for many years. The model number UUX2D4R7MNL1GS is an example of such capacitors, and this article will discuss its application field and working principle.

Aluminum electrolytic capacitors are a type of capacitor that use an electrolyte (a liquid or gel-like substance conducting electrical charge) to achieve a larger capacitance per unit volume than other types. They consist of two aluminum foils coated with an electrolyte, separated by a paper or plastic layer, and a metalized layer of foil. The capacitance of an electrolytic capacitor is very temperature-sensitive, increasing with increasing temperature.

The UUX2D4R7MNL1GS model is a type of low impedance aluminum electrolytic capacitor. It has a capacitance of 4.7μF and a rated voltage of 10V DC. It is ideal for AC circuit tap changer mounting, lighting dimmers, and board-mounted drivers, as well as other circuit applications where reliable and long-term performance is required.

The working principle of an aluminum electrolytic capacitor involves the layered structures mentioned above. The aluminum foil acts as the positive plate of the capacitor; the electrolyte acts as the dielectric medium; the metalized layer of foil acts as the negative plate. When a voltage is applied to the capacitor, the electric field generated between the two metalized layers causes the electrons in the electrolyte to move to the positive plate. This movement of electrons creates an electric charge, which is stored in the dielectric medium of the capacitor.

The electric charge in the capacitor can be discharged by connecting a conducting load, such as a resistor, across the two metalized layers. This causes the electrons to move out of the positive plate and back into the electrolyte, resulting in a current flow through the load. The amount of current that can be discharged from the capacitor will depend on the magnitude of its charge and the resistivity of the load.

In conclusion, aluminum electrolytic capacitors, such as the UUX2D4R7MNL1GS model, are widely used in many applications, and offer high capacitance in a small package. They are particularly suited for AC circuit tap changer mounting, lighting dimmers, and board-mounted drivers, thanks to their low impedance and long-term reliability. The working principle of an aluminum electrolytic capacitor involves the movement of electrons between the two metalized layers, which stores an electric charge in the dielectric medium that can be discharged by connecting a conducting load across the layers.

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