50YXA470M10X20

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Aluminum electrolytic capacitors are widely used active components in the electronics applictions and they are the most popular type of capacitors in existence. They play an important role in regulating and controlling the amount of current flow in devices, and they can be found in a variety of electronic circuits. In this article, we will be discussing the 50YXA470M10X20 aluminum electrolytic capacitor’s application field and working principle.

Application Field

Aluminum electrolytic capacitors, such as the 50YXA470M10X20, are used in a variety of electronic devices and applications. This capacitor in particular has proven to be invaluable in power supplies, audio and radio applications, medical equipment, LCD TVs and many other electronic machines. This type of capacitor has the ability to store a high charge in a small size, making this capacitor an ideal choice for space-limited circuitry. Its comparatively low impedance and high capacitance capabilities provide good aluminum electrolytic performance; even at high frequencies.

Working Principle

The structure of aluminum electrolytic capacitors is elaborated and differs from the common ceramic and plastic film capacitors. This kind of capacitor has a solid aluminum electrode that is sealed with a layer of electrolyte. The plus side of the capacitor has a conductive sheet made of metal foil attached to it. Negatively charged ions on the surface of this foil create a dielectric barrier between the conducting foil and the negative charge in the electrolyte which is necessary for creating the electric field.

Moreover, this capacitor consists of a conducting anode foil, impregnated paper spacer, an electrolyte and a solid conductive cathode foil. The anode foil is composed of aluminum metal and is etched to form a large number of small fingers. The impregnated paper spacer is placed between the aluminum anode and the electrolyte in order to maintain the capacitor’s mechanical integrity. The electrolyte will then impregnate into this spacer, providing ions and reaction electrons necessary for generating capacitance. Finally, the cathode foil is composed of aluminum nitride treated with a voltage-resistant film. The electrolyte used and the gap between the anode and cathode foils determine the capacitance of the capacitor.

The most important parameter for aluminum electrolytic capacitors is the ability to tolerate ripple currents. These capacitors are usually biased so that the voltage is permanently biased and the capacitance increases with increasing voltage from its lower limit. This means that excessive ripple currents could cause the capacitor to rupture so this is why it is important to pay attention to the maximum ripple current rating when selecting capacitors for certain applications.

All in all, the 50YXA470M10X20 aluminum electrolytic capacitor is a great component for regulating current flow in devices as well as providing space-limited devices with a high charge capacity. The application fields for this capacitor are countless and its working principle complex, promising reliable performance in every device it’s used in.

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