B43821K2475M008

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Aluminum electrolytic capacitors are commonly used in electronic circuits as electrical energy storage elements. B43821K2475M008 is a type of aluminum electrolytic capacitor. In this article, we will discuss the application field and working principle of B43821K2475M008.

The application field of B43821K2475M008 includes light and audio electronics, electronic medical devices, computing electronics, communications electronics, military hardware and so on. Its most common use is as a switch-mode power supply filter capacitor in electronic circuits. The operating temperature ranges from -40℃ to +85℃. The working voltage range is from 16V to 75V, and the capacitance range is 440μF to 2000μF. The main features of B43821K2475M008 are its low ESR, high ripple current, and long service life of more than 50,000 hours.

The working principle of B43821K2475M008 can be explained by two basic parts: an anode and a cathode. The anode of the capacitor is formed by an aluminum foil, while the cathode is formed by a layer of elementary chemical that can conduct electricity. The electrolytic solution between the two electrodes is generally composed of hydroxide anions, cations, and water molecules. When the capacitor is charged, the cations in the electrolyte solution move through the polymer separator towards the anode with the help of an electric field. The electrolyte cations and the aluminum foil form a thin layer of electrochemically active material, which is the dielectric oxide layer of the capacitor. There is an air gap, made of either oil or paper, between the two electrodes to reduce the capacitance leakage current and protect the capacitor from high voltage.

In conclusion, B43821K2475M008 is a type of aluminum electrolytic capacitor with a wide range of uses and applications. Its working principle consists of two main parts, namely an anode and a cathode, which are separated by a thin layer of electrochemically active oxide material. As an important component of electronic circuits, B43821K2475M008 offers users stable performance, low leakage current, high ripple current, and long service life.

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