250MXG1200MEFCSN35X35

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250MXG1200MEFCSN35X35 Application Field and Working Principle

Aluminum electrolytic capacitors are widely used in many electronic circuits, including power supplies, DC-DC converters, and RF amplifiers. They are most commonly used for filter, timing, and bypass applications. They are available in an array of packages including axial leaded, radial leaded, snap-in, SMD, and bayonet styles, and can handle a wide range of working temperatures up to +205°C.

Working Principle of Aluminum Electrolytic Capacitors

A typical aluminum electrolytic capacitor is composed of two aluminum foil electrodes, which are separated by paper impregnated with an electrolyte. The two foils are wound, wrapped in insulating paper, and then sealed with a can and end seals. This construction creates a double layer capacitor, which is also called an electrolytic capacitor.
Electrically, an aluminum electrolytic capacitor has two characteristics. First, it has a lower equivalent series resistance (ESR) than other types of capacitors, making it ideal for filter applications in power systems. Second, it has a higher self-inductance than other types of capacitors. This makes it useful for high-frequency applications including RF amplification.
In operation, electrons flow through the capacitor via the electrodes. As they do so, they create a voltage which is proportional to the current in the circuit. This voltage is then stored in the capacitor until it is dissipated. The capacitance of the capacitor is determined by the surface area

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