URS2A331MHD

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Aluminum electrolytic capacitors are commonly used in electronic engineering to store charge and help smooth out current flow. They have relatively low capacitance but can operate in extreme temperatures and handle significant amounts of power. URS2A331MHD is one of the most popular products in the Aluminum Electrolytic Capacitors segment with superior performance. The following sections detail its application field and working principle.

Application Field:

URS2A331MHD is a radial aluminum electrolytic capacitor, suitable for wide temperature range, -55℃~105℃, up to 85℃ ambient, and with -30%~+20% rated voltage, suitable for miniature device, high pressure equipment, circuit board, etc. It’s also considered an ideal choice for applications like Air Conditioners, Electric Fans, Motor Drives, UPS Systems and Pumps, etc. In addition, the product features high stability over a wide range of temperatures and conditions. The product series is available in sizes ranging from 6.3mm to 18mm width and series with maximum capacitance which can be up to 82uf within 680V.

Working Principle:

URS2A331MHD aluminum electrolytic capacitor utilizes the physical property of aluminum oxide, which is a dielectric with fairly high dielectric constant, as its core construction material. Meanwhile, its conductivity is relatively poor, so it is usually rolled up by aluminum foil outside. With the help of electrolyte, two pieces of aluminum foils and a sheet of insulating paper are able to be jointly work together and form a whole aluminum electrolytic capacitor. The anode and the cathode alternatively overlapped each other to form a lamination shape.

When a voltage of sufficient level is applied to the capacitor, ion transport happens, leading to the dissociation of the electrolyte which in turn triggers a formation of layer of oxide film on both sides of the electrodes. This oxide film is highly resistant to leakage current and is the key component of the capacitor to store energy. In this way, when there is a voltage applied, the capacitor can charge up with the current delivered by the circuit. Once the capacity is saturated, the incoming current will be blocked, thereupon the capacitor can work as energy storage.

Therefore, as the Aluminum electrolytic capacitor has a large capacity, small volume and high efficiency, it has become the most common type of capacitor employed in electronics. URS2A331MHD aluminum electrolytic capacitors offer a reliable performance and is suitable for a variety of applications.

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