B43458A5828M000

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Aluminum electrolytic capacitors are components used to store electric charge in electronic circuits. They are available in a wide range of sizes and configurations, and can also be used to filter, resonate and buffer signals, reduce noise, or provide similar applications in an electronic circuit. The B43458A5828M000 is an aluminum electrolytic capacitor that is most commonly used in AC current measurements and low-frequency signal filtering applications.

Overview

The B43458A5828M000 is an aluminum electrolytic capacitor with dimensions of 4.0mm by 1.8mm. It is rated for a maximum voltage of 25V and a maximum capacitance of 22μF. The capacitance is measured at 1 kHz and is subject to a tolerance of +-20%. The working temperature of this device is from -40℃ to +105℃. The housing material is plastic and the life expectancy of the capacitor is 2000 hours.

Application Field

The B43458A5828M000 is often used to measure AC current because of its low impedance and wide capacitance range. Additionally, it is well-suited for use in low-frequency signal filtering applications due to its large capacitance value, small footprint, and lack of frequency response ripple. Other applications include energy storage, robotics, circuit noise management, and voltage stabilization.

Working Principle

The aluminum electrolytic capacitor works by storing electric charge in the electrolyte, an electrically conductive liquid that is usually a mixture of boric acid and ammonia. The electrolyte acts as an insulator, so electric charge accumulates on its surface. When a voltage is applied across the capacitor, electric current is drawn from the electrolyte and discharged from the cathode to the anode, thereby charging the capacitor.

The anode of the B43458A5828M000 is made of aluminum foil, which is etched or cut into a fine mesh and covered with a thin layer of dielectric material. When a voltage is applied, charge accumulates on the anode, forming an electric field between the anode and the electrolyte. This electric field supports the flow of electric current between the anode and the electrolyte, thus forming a capacitor.

The cathode of the B43458A5828M000 is made of carbon. When current is drawn from the electrolyte, it flows into the cathode, creating an electrochemical reaction in which aluminum is dissolved and deposited onto the cathode. This process is known as anodic oxidation, which allows the capacitor to store a large amount of charge.

Conclusion

The B43458A5828M000 is an aluminum electrolytic capacitor with dimensions of 4.0mm by 1.8mm and a maximum capacitance of 22μF. It is commonly used in applications such as AC current measurements and low-frequency signal filtering, as well as energy storage, robotics, circuit noise management, and voltage stabilization. The operating principle of the device is based on anodic oxidation, in which a thin layer of dielectric material is applied to an etched aluminum foil anode and a carbon cathode is used to facilitate electrochemical reactions.

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