UWT0G220MCR1GB

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Aluminum electrolytic capacitors are a unique type of capacitor, consisting of two electrodes separated by an electrolytic paper, most often aluminium create oxide (Al2O3). This is a thin layer of oxide that acts as the dielectric for the capacitor, providing any capacitance value required and ensuring that energy is stored for use in electrical circuits. The UWT0G220MCR1GB is a type of aluminum electrolytic capacitor, manufactured by KEMET. It is a general purpose capacitor, suitable for use in a wide variety of applications.

Application Field

The UWT0G220MCR1GB is used in a broad range of applications, including: signal processing, high-frequency switching power supplies, and in low- to mid-power audio equipment. The reliability and long-life expectancy of the capacitor make it an ideal choice for applications requiring frequent power cycling and high-voltage operation. The UWT0G220MCR1GB is also ideal for general motors, printers, and short-range communications applications.

Working Principle

The schematic of a typical aluminum electrolytic capacitor is shown in Figure 1. The UWT0G220MCR1GB consists of a metalized layer of aluminium oxide, sandwiched between two aluminium foils. The electrolyte is contained within the aluminum oxide layer, creating a unique system of dielectric layers. The outer foil represents the anode, while the inner foil acts as the cathode. A radial lead is attached at the negative end of the capacitor.

When an electrical charge is applied to the UWT0G220MCR1GB, the surrounding electrolyte breaks down and forms an electrochemical field between the two foils. This then produces an electric double layer around the surface of the electrodes, which acts as a barrier against further current flow. This is similar to the way a battery works, where a supporting potential is created between the two plates by the electrochemical reaction. The double layer acts as a dielectric and stores electric charge, allowing current to flow through the capacitor. This effect, known as charging, is how the dielectric electric field is created in the UWT0G220MCR1GB, allowing it to store energy within its metalized layers.

The UWT0G220MCR1GB is available in a wide range of values, including values ranging from 4µF to 680µF. It has a voltage rating of up to 25V and is temperature rated for -55°C to +105°C. The capacitor is suitable for surface mount, with a maximum operating temperature of -40°C to +105°C.

Conclusion

The UWT0G220MCR1GB is a type of aluminum electrolytic capacitor, manufactured by KEMET. It has a wide application range, including signal processing, switching power supplies, and audio equipment. Its long life expectancy and reliable performance make it an ideal choice for frequent power cycling and high-voltage operations. It has a range of values, up to 680µF, with a voltage rating of up to 25V. The UWT0G220MCR1GB is suitable for surface mount and has a temperature rating of -55°C to +105°C.

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