UES1C221MPM

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are an important type of capacitor. It is mainly composed of an anode aluminum foil, a cathode oxide layer, cathode aluminum foil, combined with electrolyte to form an anode/cathode structure, and then winding and encapsulation into a capacitor. Its application field and working principle is wide and varied, here we mainly talk about UES1C221MPM.

In terms of its application field, UES1C221MPM is mainly used in complex circuits, such as personal computers and other high-frequency, large-current circuits. It is especially suitable for high-frequency switching power supplies, motor controls, signal transmission, etc. Besides, it is also applicable to circuit signal prevention and high-frequency filtering.

Now let’s take a look at UES1C221MPM’s working principle. As a type of aluminum electrolytic capacitor, its capacitor terminals are connected in parallel with anodes and cathodes in an electrolyte. When an external DC voltage is applied between the anode and the cathode, an electric field will be generated inside the capacitor, which will cause electrons to be stored on the surface of anode foil and with positive ions in the ionic layer of the electrolyte. This creates an accumulation of positive and negative charges on both sides of the capacitor, so that the capacitor can achieve the purpose of electric energy storage.

In addition, because of the particularity of the electrolyte molecules, when the voltage of the anode and the cathode is changed, the electron concentration and polarity of the electric field will also be changed, so that the capacitance of the capacitor is rapidly changed, and in this way, the capacitor can serve as a voltage-controlled device.

In a word, UES1C221MPM caps are an important type of capacitor with a wide range of application and working principle. The most impressive advantage of this kind of capacitors is its relatively large capacitance and relatively small size. It can be applied in complex circuits such as personal computers, high-frequency and large-current circuits, etc, and it is also suitable for high-frequency switching power supplies and motor controls. Besides, it can serve as a voltage-controlled device for circuit signal prevention and high-frequency filtering.

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