380LQ681M200J022

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Aluminum electrolytic capacitors are widely used in power electronics and switch mode power supplies due to their low equivalent series resistance (ESR) and, for power applications, their extremely long life. In terms of specifications, the 380LQ681M200J022 capacitor is a popular choice. In this article, we’ll take a closer look at the application fields and working principles of the 380LQ681M200J022.

General Information and Design

The 380LQ681M200J022 capacitor features a number of impressive qualities. It offers a cap voltage of 200V and an operating temperature range of -55°C to +85°C, as well as an impressive capacitance of 680µF. Its power dissipation is listed as 4.2W and its ESR a mere 32mΩ. This makes it ideal for low power applications such as filtering, power supplies, and energy savings.

The 380LQ681M200J022 capacitor was designed with cost-effectiveness in mind. Its small size allows it to be used in tight and compact environments, while its low ESR ensures the maximum efficiency of any device using the capacitor. Additionally, the 380LQ681M200J022 capacitor is designed for high reliability and long life, with minimal internal leakage current and no electrolyte loss.

Application fields of the 380LQ681M200J022

The 380LQ681M200J022 capacitor can be used in a variety of power applications, including switch-mode power supplies, computer memory stick circuits, high-speed digital circuits, and resonance circuits. Additionally, its impressive ESR and capacitance ratios make it ideal for use in power factor correction and energy storage applications. For example, it can be used in both low power (200V) and higher power (400V) AC-DC power converters, allowing for increased efficiency and improved power factor.

Aside from power applications, the 380LQ681M200J022 capacitor can also be used in analog and mixed signal circuits. It can provide nonlinear compensation, filtering, and signal buffering, as well as noise reduction in signal transmission. Its low ESR is especially valuable in analog audio signals, helping to reduce distortion and improve signal clarity.

Working Principle of the 380LQ681M200J022 capacitor

The 380LQ681M200J022 capacitor operates on the principle of electrolysis. It works by passing a low voltage electric current through an electrolyte solution contained between an anode and a cathode electrode. The current causes the ions present in the solution to separate into negative and positive ions, creating an electric field. When the electric field is strong enough, it causes electrons to cross the field and attach to the cathode, thus forming a capacitor.

The 380LQ681M200J022 capacitor uses a rolled aluminum foil electrolyte and a double-sided aluminum foil. This combination increases its reliability and minimizes its leakage current. Additionally, the capacitor is designed with an additional layer that improves its noise and thermal impedance. Together, these features make the capacitor extremely efficient and reliable.

Conclusion

The 380LQ681M200J022 capacitor is a reliable, cost-effective, and efficient capacitor that is suitable for a wide range of applications. Its impressive ESR and capacitance ratios make it suitable for low power applications such as filtering, power supplies, and energy savings, as well as higher power applications such as switch-mode power supplies, computer memory stick circuits, high-speed digital circuits, resonance circuits, power factor correction, and energy storage. It works on the principle of electrolysis, using a rolled aluminum foil electrolyte and a double-sided aluminum foil to create a reliable capacitor.

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