UPW1J471MHH3

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Aluminum Electrolytic Capacitors are a type of capacitor that uses a process called electrolysis to store electric energy. These capacitors utilize a chemical reaction between aluminum plates and a liquid electrolyte solution to store electric energy. The UPW1J471MHH3 is a popular aluminum electrolytic capacitor due to its ability to hold an exceptionally large charge and its low ESR (equivalent series resistance).

The UPW1J471MHH3 is a long-life capacitor, allowing for a higher ripple current due to its larger and thicker aluminum plates. Its maximum rated voltage at 25°C is 450V. This capacitor also comes with a voltage derating of 10% at higher temperatures. The UPW1J471MHH3 has a higher capacitance per unit up to 470µF than many other aluminum electrolytic capacitors.

The application field of the UPW1J471MHH3 includes medium and high voltage power supplies including AC and DC power supplies, power rectifiers, and UPSs (uninterruptible power supplies). This capacitor is also used in energy saving equipment, motor drivers, and various motor control systems.

The working principle of the UPW1J471MHH3 is fairly straightforward. This aluminum electrolytic capacitor utilizes a thin layer of aluminum oxide on the surface of two aluminum plates. This oxide layer acts as a dielectric layer and store the electric charge when a voltage is applied to the plates.

The electrolyte is typically a water-based solution containing non-aqueous solvents. To form the capacitor, the electrolyte is absorbed by an absorbent paper that is sandwiched between the two aluminum plates. This paper is called a separator and acts as a barrier between the plates, allowing the electrolyte to be stored in an isolated area.

When a voltage is applied, the electrolyte reacts with the aluminum oxide layer on the plates. This reaction creates electric dipoles on the oxide surface, allowing the capacitor to store electric energy. Once the current is removed, the electric dipoles return to their original state and the energy stored in the capacitor is released.

The UPW1J471MHH3 is a versatile capacitor, as it can be used in numerous applications. Its wide range of application fields and reliable working principle make it an ideal choice for many power supply and energy saving applications.

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