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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, also known as electrolytic capacitors, are devices that store energy in an electric field. They are widely used in many fields, such as motors, audios, computers, TVs, radios, electric controls, and instrumentation control. The MAL212313681E3 type aluminum electrolytic capacitor has great advantages in capacitance range, temperature range, and ripple current. It is necessary to understand the application field and working principle of the MAL212313681E3.

Application Fields

The MAL212313681E3 is a general-purpose aluminum electrolytic capacitor and is widely applied in audios, power amplifiers, power drivers, computers, TV sets, and communication equipment. It can steadily supply power for the data center system, maintain a stable supply of electricity for the backbone by absorbing large amount of current when the power output is insufficient and provide data exchange and storage with a steady current request. In addition, due to its ample capacitance range, it is suitable for applications that need high capacitance. Furthermore, its temperature range allows it to be used in a variety of environment.

Working Principle

The MAL212313681E3 is an aluminum electrolytic capacitor with a polarised construction. Its working principle is based on the electrochemical oxidation of aluminum. It is composed of an anode foil made from a high surface area aluminum foil, and a cathode foil with an aqueous electrolyte – the aluminum oxide layer – depositing on it. The oxide layer behaves like an insulator preventing any flow of current from the cathode to the anode. In the process of charging, an electric field is created between the dielectric layers and the anode. The thickness of the dielectric layer increases, while the anode layer decreases. During the discharge process, the dielectric layers become thinner. The principle is used to store energy when charging and releasing energy when discharging.

Conclusion

The MAL212313681E3 is a general-purpose aluminum electrolytic capacitor with great advantages in capacitance range, temperature range, and ripple current. It is widely applied in audios, power amplifiers, power drivers, computers, TV sets, and communication equipment, and provides a reliable source of power for the data center system. The principle of the MAL212313681E3 is based on the electrochemical oxidation of aluminum, where the dielectric layers between the anode foil and the cathode foil becomes thicker when charging and decreases when discharging.

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