UVR2W220MHD1TN Capacitors

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Aluminum electrolytic capacitors, such as the UVR2W220MHD1TN, are widely used in applications such as power supplies, power tools and converters. These types of capacitors use a thin electrolyte-coated aluminum foil for their anode, along with a thicker aluminum oxide dielectric layer that provides the capacitor with its measureable capacitance value. The cathode of the capacitor is typically made up of a few flat metal plates that are typically connected together. This construction allows the capacitor to have high capacitance with a small physical size, making them ideal for applications where physical space is limited.

The aluminum oxide dielectric layer consisting of the aluminum oxide barrier film is vital to the capacitor\'s performance, as it provides the permittivity of the capacitor with a measurement range of 100-1000, dependant upon the construction. This dielectric layer is the main factor in determining the capacitance and voltage ratings of the device. Furthermore, this layer also determines the tolerances of the device, as aluminum oxide has a relatively high degree of permittivity variance with temperature and frequency.

The working principle behind an aluminum electrolytic capacitor is simply a conversion of electrical energy into electrical charge. With a positively charged anode on one side, and a negatively charged cathode on the other, a circuit is formed between the two. When voltage is applied to this circuit, the positively charged anode attracts electrons from the cathode, which builds up the capacitance apart from the device. As the voltage is increased, the capacitance value increases with it. However, once the maximum rated voltage is exceeded, then the device will discharge, resulting in electrical current passing through the circuit.

The UVR2W220MHD1TN aluminum electrolytic capacitor is rated at 220 MFD with a voltage rating of 250VAC. This relatively high voltage rating allows the capacitor to be used in a variety of higher power applications, such as power supplies and converters. It has a wide temperature range of -40 to +85 degrees Celsius, allowing the capacitor to be used in both hot and cold climates. The size of this capacitor conforms to the industry standard 12.5x22.5mm, and the impedance is relatively low at 4.5 Ohms, allowing for a less distorted electrical current.

In conclusion, the UVR2W220MHD1TN is an aluminum electrolytic capacitor with a capacitance rating of 220 MFD and a voltage rating of up to 250VAC. It has a wide temperature range, a low self-impedance and is suitable for a variety of applications, from power supplies to converters. Its construction adheres to the industry standard 12.5x22.5mm, making it an ideal choice when physical size is a major consideration.

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