UHE1J221MPD1TD

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Aluminum Electrolytic Capacitors

The UHE1J221MPD1TD is an aluminum electrolytic capacitor. It falls into this category of capacitors due to the fact that it has a high-voltage anode that is made from aluminum foil and is insulated by an electrolyte, in this case, an agent that is ethylene-propylene-diene rubber (EPDM). It also includes two etched electrodes which are separated by a suitable insulating dielectric.

Aluminum electrolytic capacitors are widely used, primarily due to the high capacitance-to-size ratio. This is because the capacitor\'s anode is made from aluminum, which has a large surface area and a relatively low cost. Aluminum capacitors also possess good temperature and frequency characteristics, making them ideal for applications that require an effective and relatively low-priced solution.

Application Field for UHE1J221MPD1TD Capacitors

The UHE1J221MPD1TD capacitor has a wide range of applications. Firstly, they are used in power supplies where they are mainly employed as a storage device for the energy generated. Secondly, they are suitable for switched-mode power supplies due to their excellent temperature and frequency characteristics, which allow them to remain stable despite fluctuating loads. Thirdly, these capacitors are also used in signal filtering and signal conditioning circuits, due to their high-frequency characteristics.

These capacitors are also suitable for applications which require high-speed data transmission, low-loss voltage regulation, or high-temperature cooling systems. In addition, they are also often used as snubbers to protect switch-mode power supplies and other types of circuits from voltage surges.

Working Principle of the UHE1J221MPD1TD Capacitor

The working principle of a UHE1J221MPD1TD aluminum electrolytic capacitor is based on the principle of electrochemical capacitance. This means that a chemical reaction takes place between the liquid electrolyte and the porous aluminum anode, which stores electrical energy as an electrostatic field. This field then stores an electric charge for a given period of time.

The capacitance of the capacitor is determined by the amount of electric charge stored in the electric field. It is proportional to the size of the aluminum foil anode, its surface area, and the thickness of the electrolyte layer.

When a voltage signal is applied to the capacitor, the electric field that is created causes a current to flow between the anode and the cathode which, in turn, creates a charge-discharge cycle. During this cycle, the electric current flows from the anode to the cathode and then reversed, resulting in a release of electromagnetic energy. This energy is stored on the electric field of the capacitor, increasing its capacitance accordingly.

Conclusion

The UHE1J221MPD1TD capacitor is a type of aluminum electrolytic capacitor. It is mainly used in power supplies and signal conditioning circuitry due to its excellent temperature and frequency characteristics. Its working principle is based on the principle of electrochemical capacitance, whereby the electric field created by the electrolyte and aluminum anode stores an electric charge for a given period of time.

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