EMVE500ADA470MF80G

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Aluminum electrolytic capacitors serve as integral parts of many electrical and electronic systems that require robust and reliable components to function. EMVE500ADA470MF80G is one such device, providing high frequency operation even in extreme conditions. This article will focus on discussing its application fields and working principle.

The EMVE500ADA470MF80G is a part of a vast family of aluminum electrolytic capacitors, with a high heat reshaping temperature and a temperature coefficient that is near zero. It is designed with oxides of aluminum and cobalt as electrodes, and they can be used in high frequency ripple current operations, offering robust performance and service life. Its main application fields include power electronics, audio equipment, inverter systems and other related fields. The capacitor is designed to operate up to several thousand of continuous cycle ratings at an operating temperature of -55°C - 150°C.

The core operating principle of aluminum electrolytic capacitors is based on their construction, which includes an anode foil (aluminum), a cathode foil (graphite), a diaphragm (porous paper) soaked in organic electrolyte, and a terminal (aluminum plate with a hole in the center). The diaphragm separates the anode from the Cathode and allows electrons to flow in between the two. This flow of electrons is assisted by the electrolyte and the porous paper, which provide the means for ion flow (ions are responsible for the flow of electrons).

In these capacitors, the anode foil is made of an aluminum foil with a specially designed pattern, while the cathode foil is made of graphite. The combination creates a Farad (a measure of capacitance) and the voltage difference between the two creates the electrical charge. The charge is stored in a form of an electric field between the anode and the cathode. The field quality is determined by the size and shape of the foil pattern and by the thickness of the oxide layer, which acts as a dielectric between the two.

The EMVE500ADA470MF80G has high frequency and ripple current ratings of 500VDC-1kHz, 560VDC-1kHz and 630VDC-1kHz, respectively. Its capacitance is 470mF to 80G and its leakage current is 80mA max. The temperature coefficient (TC) is between -20%, and its heat reshaping temperature is between -55°C - 150°C. It also features a long life design and offers excellent performance in a wide range of applications.

To summarize, the EMVE500ADA470MF80G is an aluminum electrolytic capacitor with a wide range of application fields and a wide range of frequency and ripple current ratings. Its core operating principle is based on its construction, where an aluminum foil and graphite are used for the electrodes, and a porous paper and organic electrolyte are used to facilitate ion flow between the two. It has a high heat reshaping temperature of -55°C - 150°C, a temperature coefficient of -20% and a capacitance range of 470mF to 80G.

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