UPW1C681MPD

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Aluminum electrolytic capacitors are one of the most widely used electrical components in modern electronics. They are used in a variety of applications, such as power supplies, audio/video systems, telecommunications, and automotive electronics. UPW1C681MPD, in particular, is a type of aluminum electrolytic capacitor. This article will discuss the application field and the working principle of UPW1C681MPD.

The UPW1C681MPD is an aluminum electrolytic capacitor, which belongs to a class of capacitors that consists of several metal layers and an electrolyte solution as the dielectric medium. It is mainly used in power supplies and other power circuits for its high capacitance and energy density compared to other capacitor types. The UPW1C681MPD has a rated voltage of up to 63V, a capacitance range of 10uF to 330uF and a ripple current rating of up to 1.5A (at 25°C). It is available in a variety of sizes and package types, including radial, axial, and surface mount, making it suitable for a wide range of applications.

In terms of its working principle, the UPW1C681MPD is an electrostatically polarized device, which means that when it is subjected to reversed voltage, it can store and deliver a large amount of energy. Its construction consists of two metal plates, generally made of aluminum or tantalum, separated by a thin dielectric film. The metal plates have their surfaces etched with a concave pattern. This allows the capacitor to hold a greater amount of electric charge compared to plain aluminum foil since the concave pattern provides more surface area for electrons to adhere to.

When the capacitor is connected to a DC voltage source, electric current flows from the negative terminal of the source through the negative plate of the capacitor to the positive terminal. During this process, a thin film of oxide is formed on the surface of the aluminum plates, separating them and creating an electric barrier that stores the electric charge. When an alternating current is applied to the capacitor, the oxide barrier is broken down, allowing the charge to move through the plates and discharge.

In sum, UPW1C681MPD is a type of aluminum electrolytic capacitor with a rated voltage of up to 63V, a capacitance of 10uF to 330uF, and a ripple current rating of up to 1.5A (at 25°C). Its working principle involves electrostatic polarization, allowing it to store and deliver high amounts of energy when subjected to reversed voltage. Its construction consists of two metal plates separated by a thin dielectric film, providing high capacitance and energy density compared to other capacitor types. As a result, the UPW1C681MPD is widely used in power supplies and other power circuits.

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