EKMM401VSN471MA40S

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Aluminum Electrolytic Capacitors are the most widely used type of capacitors in electronic circuits, and they are used for a wide range of applications. The EKMM401VSN471MA40S is one such aluminum electrolytic capacitor that is commonly encountered in different applications. This article will discuss the application field and working principle of the EKMM401VSN471MA40S.

Application Field

The EKMM401VSN471MA40S Aluminum Electrolytic Capacitor is a compact, surface-mount device that operates up to 400V, with a capacitance range of 470–1200 μF. It is mainly suitable for filtering applications, smoothing applications in AC-DC converters, current/voltage smoothing, etc. The EKMM401VSN471MA40S also has a wide operating temperature range of -40℃ to +85℃. It is mostly used in applications requiring a high ripple current, such as on-board DC-to-DC converters.

Other applications for the EKMM401VSN471MA40S include power supplies, motor drives, automotive power systems, home appliances, and photovoltaic inverters. The device can also be used in inverters, rectifiers, and resonant systems. The EKMM401VSN471MA40S is available in a variety of sizes and packages, making it suitable for a wide range of applications.

Working Principle

The EKMM401VSN471MA40S Aluminum Electrolytic Capacitor is based on the principle of Faraday\'s law of electrolysis. An electrolyte is sandwiched between two metal plates which are held apart by a separator. The electrolyte in these capacitors is typically an organic solvent with a dielectric salt in solution. This electrolytic acts as an insulator, allowing electrical charge to be stored in the capacitor.

The EKMM401VSN471MA40S capacitor is constructed from aluminum foil, cathodic and anodic terminals and a layer of dielectric material, which is usually made from an activated charcoal or oil-impregnated paper. The anodic and cathodic terminals are connected by a thin metal film that acts as the gate to the capacitor. This gate is formed by a zinc or aluminum oxide, which is vaporized onto the aluminum foil.

When a voltage is applied to the gate of the EKMM401VSN471MA40S capacitor, it will create a electric field between the two plates. This electric field will cause electrons to flow through the electrolyte, which will then create a magnetic field that prevents the electrons from flowing back. This charge is then stored in the capacitor, which can be discharged to power the application.

The EKMM401VSN471MA40S aluminum electrolytic capacitor is a highly reliable and stable device for a variety of applications. Its wide operating temperature range and tolerance for ripple current make it ideal for many different types of power systems. The device is also available in a variety of sizes and packages, making it suitable for a wide range of applications.

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