E81D401VNN391QA35W

Series:	81D
Part Status:	Active
Lead Free Status / RoHS Status:	--
Ratings:	--
Moisture Sensitivity Level (MSL):	--

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Aluminum Electrolytic CapacitorsElectrolytic capacitors are widely used in everyday electronics applications. Their use dates back over a hundred years and they are an indispensible part of modern circuits. Aluminum electrolytic capacitors are one type of electrolytic capacitor that are specifically designed to provide high levels of energy capacity and excellent thermal stability. These capacitors are a great choice for industrial, medical, and consumer applications that require a high level of reliability.The E81D401VNN391QA35W is an aluminum electrolytic capacitor designed for medium voltage and current applications. It is a low ESR capacitor, meaning it has a low equivalent series resistance, allowing higher current peaks. This makes it well-suited for eliminating switching noise in power supply circuits. The capacitor has a capacitance of 470μF and a working voltage of 660V.Aluminum electrolytic capacitors are constructed from two electrolytic aluminum plates, separated by a solid dielectric. The electrolytes are usually a mixture of water and organic solvents. To increase the voltage rating of the capacitor, a thicker dielectric is used and the plates are often made from aluminum foil. As the name implies, the plates are charged with electricity during the manufacturing process. This process, known as polarization, ensures that the capacitor is polarized and able to store an electrostatic charge.The working principle of an aluminum electrolytic capacitor is quite simple. When a voltage is applied to the capacitor, it attracts current because the positive ions move closer to the negative plate. This causes an electrostatic field to form between the two plates. The electrostatic field stores the electrical energy, and the capacitance of the capacitor determines how much energy can be stored at any time. The current is then discharged when the voltage is removed from the capacitor; the electrostatic field collapses and the positive and negative ions return to their original positions.Aluminum electrolytic capacitors are able to provide a higher energy capacity than other types of capacitors due to the results of their polarization. This principle allows them to store a large amount of energy in a very small package. They are used in many industrial, medical, and consumer applications that require a reliable source of electrical energy. As the technology continues to evolve, we can expect to see more and more applications where aluminum electrolytic capacitors are used.

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