UHD1E681MPD

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of electrolytic capacitors, which have the advantages of large capacitance, small size, and low cost. They are widely used in power supply and other signal filtering circuits. UHD1E681MPD, with a capacitance of 680 uF and a rated voltage of 16V, is one type of aluminum electrolytic capacitor.

Application Field

UHD1E681MPD aluminum electrolytic capacitors can be used in various power supply and signal filtering applications. They are suitable for the applications with a large volume of power supply or interruption, such as laptops, computers, TVs and other consumer electronics. Besides, due to their low ESR, they are also applicable for pulse power supply and high frequency switching power supply.

Working Principle

UHD1E681MPD aluminum electrolytic capacitors operate based on the principle of electrolytic capacitors. As a kind of electric double layer capacitor, they are composed of two metal plates, one of which is electrolytically deposited on the other. The metal plate which contacts with the electrolyte is called the cathode, the other, the anode. Under normal conditions, capacitor is polarized and current only flows in one direction. That is to say, the cathode is regarded as the positive pole, and the anode as the negative pole.

The electrolyte is the medium of the energy exchange between the anode and the cathode. Under the action of an external voltage, electrons are attracted by the anode, and the anode produces a layer of negative charge. At the same time, the cation which was dissolved in the electrolyte is attracted to the anode, and a layer of positive charge is formed. After the electrolyte has achieved a certain balance, an electric field is formed between the anode and the electrode, which is called the electric double layer capacitor.

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