UHN1A222MPD

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Aluminum electrolytic capacitors are widely used in various electronic systems, especially in power electronics, due to their excellent frequency response, low ESR, and high capacitance. The UHN1A222MPD is a popular aluminum electrolytic capacitor that offers very high capacitance, low voltage, and low ESR in a pact and lightweight package. This article will discuss the application field and working principle of the UHN1A222MPD.

The UHN1A222MPD is a high capacitance aluminum electrolytic capacitor with a rated voltage of 2.0V-2.5V, a capacitance of 2200uF, and a maximum leakage current of 0.014mA at 25°C. The operating temperature range of this capacitor is -40°C to +85°C, and the dielectric strength is 2.5kVAC. These features make it a great choice for various applications requiring high capacitance and low voltage.

The UHN1A222MPD is most often used in power applications, such as EMC/EMI suppression, bulk storage of electricity, peak power support, transient voltage protection, active rectification, soft start, and frequency selection. It is also used in automotive systems, video/audio applications, computers and peripherals, and other applications requiring high capacitance and low ESR.

The UHN1A222MPD has a wide range of application fields, but the most important factor determining its performance is the working principle of the capacitor. The UHN1A222MPD uses an aluminum electrolytic dielectric material, which consists of an electrolyte (usually ethylene glycol and water), aluminum materials for the anode and cathode, and a separator in between. The electrolyte is responsible for the formation of the oxide-film that forms the dielectric and stores electrical charge.

The aluminum alloy anode and cathode are opposite in polarity, which allow for the passage of current from the anode to the cathode. The charge stored in the oxide-film is proportional to the voltage difference between the anode and the cathode. The separator is a porous material which allows the electrolyte to be soaked into it and into the space between the anode and the cathode.

When the UHN1A222MPD is used in an electronic circuit, the applied voltage causes a current of electrons to flow between the anode and the cathode. This current causes charge to be stored in the oxide-film, which increases the capacitance of the capacitor. The charge stored in the capacitor is released when the capacitor is disconnected from the power supply, and the capacitor returns to its original state.

The UHN1A222MPD is a highly reliable and efficient aluminum electrolytic capacitor that can be used in a variety of applications requiring high capacitance and low voltage. Its operating temperature range makes it suitable for use in a wide range of temperature conditions, while its low ESR makes it a good choice for EMC/EMI suppression and other power applications.

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