UPW1C221MPH

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Aluminum electrolytic capacitors are widely used in electronic circuits. A typical application in which an aluminum electrolytic capacitor is used is the UPW1C221MPH. This capacitor is specially designed for switching power supplies, providing high reliability and long life. It is a high capacitance and low ESR type capacitor.

The UPW1C221MPH is a miniature, low leakage, and long life axial lead aluminum electrolytic capacitor. It is constructed with aluminum anode and cathode electrodes and a solid electrolyte. It is supplied with organic resin for electrical insulation and moisture resistance. This capacitor is ideal for use in switching power supplies, DC/DC converters and other high frequency circuit applications.

The capacitance of the UPW1C221MPH is rated at between 1uF and 220uF, and the rated voltage range is from 10V to 160V. The maximum temperature range of this capacitor is from -40 to +105 degrees Celsius. This capacitor has a very low ESR of between 0.2 and 2Ω. It also has excellent thermal stability and high pulse loading capabilities.

The working principle of an aluminum electrolytic capacitor is based on the fact that a thin oxide layer is produced on the surface of the aluminum foil. This oxide layer acts as the dielectric in the capacitor. When a voltage is applied across the capacitor, current passes through the electrolyte to the oxide layer, creating polarization charges. The thickness of the oxide layer depends on the voltage applied. The oxide layer continues to increase until the applied voltage is reduced, and this allows charge to be stored in the capacitor. The oxide layer then acts as an insulator, allowing a charge to remain stored in the capacitor.

The UPW1C221MPH has wide application field due to its high capacitance, low ESR and long life. It is widely used in switching power supplies, DC/DC converters and other high frequency circuit applications. This capacitor provides excellent electrical insulation and moisture resistance, making it perfect for use in sensitive electronic circuits. In addition, the UPW1C221MPH is a cost effective solution for high capacitance and low ESR requirements.

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