UBT1E221MPD8

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Aluminum electrolytic capacitors, also known as “aluminum capacitors”, are widely used due to their low cost, large capacitance, and high operating voltage. UBT1E221MPD8 is a popular type of aluminum electrolytic capacitor that has a wide range of applications. This article will discuss the application field and working principle of UBT1E221MPD8.

Application Field

UBT1E221MPD8 is a type of polar aluminum electrolytic capacitor. It has a capacity range of 220 to 680μF, and a voltage range of 6.3V to 450V. They can be used for a variety of applications, from low-voltage DC and AC power supplies, to lighting, energy meters, automotive systems, low frequency DC circuits, and more. UBT1E221MPD8 capacitors are widely used in computers, home appliances, and other electronic devices.

Working Principle

Aluminum electrolytic capacitors, including UBT1E221MPD8, are constructed of two electrically conducting layers separated by a dielectric film. The electrolyte is sandwiched between the two metal electrodes and an insulating aluminum oxide film is formed on the anode surface. An electrical potential is applied to the electrodes which produces a voltage across the insulating film, creating a miniature electrical capacitor. Charge can build up on the capacitor\'s plates which increases the potential across the capacitor. When the circuit is opened, the charge remains in the capacitor, allowing it to be reused.

Aluminum electrolytic capacitors, including UBT1E221MPD8, have a number of advantages, such as low ESR, good self-healing, large capacitance, and wide temperature range of operation. They are also typically cheaper to produce than other types of capacitors.

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