UAQ2D470MPD

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Aluminum electrolytic capacitors play a huge role in the field of power electronics and have an integral effect on the performance of electrical and electronic circuits. As a product that combines two materials – dielectric oxide film and aluminum foil – with an electrolyte, aluminum electrolytic capacitors have a wide range of applications in the electronics and the electrical industry due to their relatively large capacitance, small size, lightweight, and long life expectancy.

The UAQ2D470MPD is a type of aluminum electrolytic capacitor. It has a 105ºC rated operating temperature and a capacity of 470μF. It is designed for use at 2.5 Volts with a tolerance of -20% and +200%. The UAQ2D470MPD offers enhanced ripple current capacity, long-term reliability, and low esr values.

In terms of application, the UAQ2D470MPD is mostly used in power supplies, AC to DC converters, LED lighting, OA equipment, DC to DC converters, and other power circuit applications. It can be installed on the PCB, fastened by soldering or screwing onto the circuit board, or as a through-hole capacitor.

Due to its design and structure, the UAQ2D470MPD exhibits a tool working principle. The aluminum foil serves as the two plates of the capacitor, and the physical boundary between the two plates is a thin oxide film made from aluminum oxide. The dielectric oxide film is formed between the two aluminum plates by electrolysis, and this oxide layer acts as an insulation layer. This insulation layer is what allows the capacitor to store electrical charge. The two plates are then submerged in a combined electrolyte liquid made from ethylene glycol and boric acid, and this electrolyte provides the necessary ions to ensure that the formed oxide film can store the electric charge.

In order for the capacitor to effectively transfer and store electricity, it needs to be subjected to a voltage greater than the rated capacitance. When this voltage is applied across the two aluminum plates of the capacitor, the electrons of the external power source flow across the oxide film, currenting an electric field across the two plates. This electric field reduces the resistance of the capacitor, allowing it to transfer and store electrical charge. As the capacitance of the capacitor increases, the electric field increases, leading to an eventual decrease in the resistance.

Once the UAQ2D470MPD has been charged with the electric field, it can remain in a static state until a discharge occurs. When a discharge occurs, the electric field created by the capacitor slowly begins to dissipate as the electrons move back to their original position on the two aluminum plates. The UAQ2D470MPD is designed with an internal diode to help regulate this process of charge and discharge.

In conclusion, the UAQ2D470MPD aluminum electrolytic capacitor is a reliable and effective product for power circuits and AC to DC converters. Its main advantage is its high capacitance, long-term reliability, and low ESR values. The working principle of the UAQ2D470MPD is based on the combination of two materials – dielectric oxide film and aluminum foil – with an electrolyte, allowing it to create an electric field to effectively transfer and store electrical charge.

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