381EL391M200K012

Aluminum electrolytic capacitors (AECs) are widely used in electronic systems due to their high capacitance and low cost compared to other types of capacitors. The 381EL391M200K012 is a type of AEC and it is used in a variety of applications. This article will discuss the application field and working principle of 381EL391M200K012 AECs.

Applications of 381EL391M200K012 AECs

381EL391M200K012 AECs are mainly used in high-frequency filtering, electric power system, and energy storage for smoothing and filtering out high-frequency noise. In addition, these capacitors are also used in power supply ripple reduction, servo motor control, DC-DC converters, microphones, and consumer electronics. Out of these, the most important applications are in high-frequent filters, power supplies, and DC-DC converters. In high-frequency filters, these capacitors are used to limit the frequency of a signal to the desired range, which improves the sharpness of the signal. In power supplies, these capacitors are used to reduce the ripple voltage, which in turn increases the stability and efficiency of the power supplies. In DC-DC converters, the 381EL391M200K012 AECs are used to provide the necessary filtering and storage of energy for high speed switching processes.

Working Principle of 381EL391M200K012 AECs

The working principle of 381EL391M200K012 AECs can be explained in terms of anode, cathode, and electrolyte. The cathode of the AEC consists of an aluminum plate. When a voltage is applied to the cathode, a chemical reaction with the electrolyte present in the capacitor produces a thin layer of oxide on the surface of the aluminum which acts as a dielectric. This layer prevents the electrons from passing freely between the anode and the cathode, which in turn allows the capacitor to store electric charge. The electric charge in the capacitor is proportional to the voltage applied across the capacitor and is discharged when the voltage applied across the capacitor is removed.

In conclusion, 381EL391M200K012 AECs are widely used in a variety of applications due to their high capacitance and low cost. In particular, they are mainly used in high-frequency filtering, electric power system, and energy storage for smoothing and filtering out high-frequency noise. Their working principle can be explained by the chemical reaction between the anode, cathode, and electrolyte in the capacitor.