UBW1C221MPD1TD Capacitors

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Aluminum electrolytic capacitors are an important part of electronic circuits, and they are widely used in most electronic products, both small and large. The UBW1C221MPD1TD is an aluminum electrolytic capacitor, and its application field and working principle will be examined in this article.

Summary of the UBW1C221MPD1TD

The UBW1C221MPD1TD is a long life, low impedance aluminum electrolytic capacitor manufactured and sold by Nichicon Corporation. It has a rated voltage of 25V, and its capacitance is 220uF with a 20% tolerance. It has a rated dissipation factor of 2.7, and its lifetime is up to 2000 hours under 105℃.

Application Field

An aluminum electrolytic capacitor is a device that stores electrical energy in the form of a static electric charge. It is ideal for use in applications where a large capacitance is needed in a relatively small space. Aluminum electrolytic capacitors are mainly used in applications such as filtering, bypassing, signal coupling, power supply regulation, and timing circuitry.

The UBW1C221MPD1TD is specifically designed for use in portable and automotive electronics. Its low impedance ensures stable operation in high-noise environments, making it an ideal power supply component for systems that require reliable performance. As a long-life device, it can provide stable operation over many years of continuous use.

Working Principle

Aluminum electrolytic capacitors have a structure similar to that of a regular capacitor, consisting of two metallic plates that are separated by a dielectric material. However, the dielectric material in an aluminum electrolytic capacitor is not just a simple insulator, but an ionic conductive electrolyte. This electrolyte is in contact with an aluminum foil with an oxide layer, which acts as the positive plate of the capacitor. The negative pole of the device is connected to the outer metal case.

When a voltage is applied across the anode and cathode of the capacitor, a very thin, high-resistance layer of oxide is formed on the aluminum foil. This layer of oxide is called the dielectric, and it creates an electric field between the two metal plates. Consequently, the capacitance of the device is determined by the thickness of the dielectric layer and the area of the metal surfaces.

The UBW1C221MPD1TD has a special structure which is designed to reduce its equivalent series resistance (ESR) and improve its temperature stability. This type of capacitor is also determined to achieve superior performance in terms of high-frequency characteristics and ripple current capacity.

Conclusion

In conclusion, the UBW1C221MPD1TD is a long-life, low-impedance aluminum electrolytic capacitor with a wide range of applications. Its unique structure and design makes it ideal for use in portable and automotive electronics, as well as other sensitive applications. By understanding its application field and working principle, users get a better insight into the capabilities and design of aluminum electrolytic capacitors, and can make informed choices about the components they use in their projects.

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