UKL1H470MPDANA

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Aluminum Electrolytic Capacitors - UKL1H470MPDANA application field and working principle

Aluminum electrolytic capacitors are a type of electrochemical capacitor. As their name suggests, aluminum electrolytic capacitors use aluminum foils as the electrodes and electrolyte-soaked paper as the dielectric. This type of capacitor is mainly used for energy storage, signal coupling, local power supply, and for power filtering in dc-dc converters. They are capable of handling high currents and voltages, making them an ideal choice for many applications.

UKL1H470MPDANA aluminum electrolytic capacitors specifically are characterized by low equivalent series resistance (ESR) and long-term stability. They are non-solid polymer capacitors that offer reliable performance in a variety of applications, making them a great choice for those in search of a capacitor that can handle a wide range of DC voltages. This particular capacitor features 4,700µF of capacitance and a maximum operating temperature of 105°C.

As mentioned earlier, aluminum electrolytic capacitors are electrochemical-based and are composed of three layers: anode, cathode, and electrolyte. When a voltage is applied across the electrodes, it causes chemical reactions at the electrodes, which in turn produces a dielectric layer between them. This layer is incredibly thin (around 20 angstroms) and has a tremendous dielectric strength, allowing for high capacitance in a very small package.

The anode of an aluminum electrolytic capacitor consists of a thin layer of aluminum foil, usually coated with insulating aluminum oxide. The cathode is composed of a liquid or gel-like electrolyte, which is typically a mixture of aprotic solvents and solutes. The electrolyte is then soaked into thin sheets of paper or etched polymer film.

When current is applied, ions move from the anode to the cathode and the electrons flow in the opposite direction. This causes a buildup of electric charge on the anode and the cathode, respectively. This charge creates an electric field that opposes the applied field, producing a capacitance effect.

The capacitance of the unit is significant, with values of several thousands of microfarads being possible in a single device. This makes aluminum electrolytic capacitors well suited for applications such as energy storage, signal coupling, and power filtering.

UKL1H470MPDANA aluminum electrolytic capacitors are especially suitable for high frequency filtering, thanks to their low ESR. They demonstrate a high ripple current capacity, making them compatible with high current applications. Additionally, their 4,700µF capatitance and 105°C maximum operating temperature make them a great choice for designers in search of a capacitor with a high capacitance and long life.

In conclusion, UKL1H470MPDANA aluminum electrolytic capacitors are a highly reliable and robust type of capacitor specifically designed for a range of high-frequency applications. They feature an impressive 4,700µF capacitance and low ESR, making them ideal for high current and high temperature applications. With their easy installation and long-term stability, they provide superior performance and reliability in a wide range of applications.

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