100YXG390MEFCGC16X31.5

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in electronic circuits. They are solid, compact thanks to their small size and long life span; they have very low ESR (equivalent series resistance) and thus low impedance and good frequency response. They are used in applications such as dc-dc power supplies, EMI (electromagnetic interference) suppression, high reliability applications, and power management. Aluminum electrolytic capacitors are also commonly used in power electronics and electric motors.

100YXG390MEFCGC16X31.5 Application Field and Working Principle

The 100YXG390MEFCGC16X31.5 is an aluminum electrolytic capacitor. It is designed for use in high reliability electronic circuits. It is designed to operate with a capacitance of 390 μF and a voltage of 16 VDC at 20°C and suffers no DC leakage current. The ESR of this capacitor is 0.033 Ω and it has a temperature coefficient of ± 15%. The 100YXG390MEFCGC16X31.5 is designed to feature high thermal shock and high temperature resistance to ensure long-term reliability in high temperature applications.

Aluminum electrolytic capacitors are made up of two aluminum electrodes sandwiched between an insulating material, called the dielectric. They are similar to other types of capacitors in that they store energy through the build-up of electric charge; however, they work differently, thanks to the different chemical composition and construction of the aluminum-dielectric pair.

The aluminum electrolytic capacitor works by exploiting the difference in charge between the two aluminum electrodes. One electrode is a highly reactive powdery substance, called the anode, which is made up of a finely divided aluminum oxide 12. When the capacitor is connected to a source voltage, an electric current passes from the positive to the negative terminal, creating an electric field between the two electrodes. The anode absorbs the positive charges on the surface, forming an oxide film, which acts as a dielectric between the two electrodes. This dielectric separates the anode from the cathode, permitting the flow of electric charge through the device.

When the capacitor is charged, the electric field in the device increases, resulting in a higher capacitance. This increase in capacitance is due to the fact that the dielectric gets thinner as more electric charge is accumulated. When the capacitor is discharged, the electric potential across the device is reduced, resulting in the dielectric becoming thicker, reducing the capacitance.

The two aluminum electrodes of the 100YXG390MEFCGC16X31.5 are foil-type electrodes, providing high reliability and long-term stability. The device has high thermal shock and high temperature resistance and is suitable for use in high temperature applications. It also has a long life span, making it suitable for applications with long-term reliability requirements.

In conclusion, the 100YXG390MEFCGC16X31.5 aluminum electrolytic capacitor is designed for use in high reliability electronic circuits. It features a capacitance of 390 μF and a voltage of 16 VDC at 20°C and no DC leakage current, with an ESR of 0.033 Ω and a temperature coefficient of ± 15%. The two aluminum electrodes are foil-type electrodes, providing high reliability and long-term stability. The device has high thermal shock and high temperature resistance, making it suitable for high temperature applications. It has a long life span, making it suitable for applications with long-term reliability requirements.

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