E37F501CPN822MEM9M

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Aluminum electrolytic capacitors are an important type of capacitors that find wide applications today. With its high energy density and robust construction, the aluminum electrolytic capacitor is one of the most reliable types of capacitors. The E37F501CPN822MEM9M is one such aluminum electrolytic capacitor, and its applications and working principles are discussed below.

E37F501CPN822MEM9M Application Field

The E37F501CPN822MEM9M is a radial aluminum electrolytic capacitor from the Japanese manufacturer Nippon Chemicon. This capacitor has an operating temperature range of -40C to +85C, and a capacitance value of 470µF. Due to its relatively high capacitance value, the E37F501CPN822MEM9M is suitable for use in high-voltage applications. The radial form factor makes it easy to mount on a circuit board. In addition to its high capacitance, the E37F501CPN822MEM9M has a capacitance tolerance of ± 20%; a voltage rating of 22V; and ripple current rating of 0.6A. Due to these rated values, this capacitor is ideal for applications such as DC-to-DC converters, switching power supplies, audio signal processing and filtering circuits.

E37F501CPN822MEM9M Working Principle

An aluminum electrolytic capacitor consists of two aluminum foils separated by an electrolyte. The foils are usually aluminum or an aluminum alloy; and the electrolyte is usually a liquid, such as ethylene glycol or a gel. This combination of materials creates an electrochemical capacitor. When a voltage is applied across the capacitor, electrons are drawn from the positive foil to the negative foil, creating a layer of electrons on the negative foil. These electrons create an electric field that attracts further electrons. This electric field creates a layer of charge between the two foils; and the thicker this layer, the higher the capacitance value of the capacitor. The capacitance of the capacitor increases as the voltage across it increases.

The E37F501CPN822MEM9M is a radial capacitor with a 22V maximum voltage rating. When 22V or less is applied across the capacitor, the voltage is equalized in the capacitor and a layer of electrons builds up on the anode foil. This layer of electrons increases the dielectric strength of the capacitor, increasing its capacitance and effectiveness. When the voltage applied to the capacitor increases beyond 22V, the electric field becomes strong enough to cause sparks in the electrolyte, damaging the capacitor.

Conclusion

The E37F501CPN822MEM9M is an aluminum electrolytic capacitor from the Japanese manufacturer Nippon Chemicon. This capacitor has a capacitance value of 470µF and maximum voltage rating of 22V, making it ideal for applications such as DC-to-DC converters, switching power supplies, audio signal processing and filtering circuits. The functioning of this capacitor is based on the electrolyte layer, which separates two aluminum foils and allows electric charge to build up in the form of a dielectric layer between them. With its high capacitance and voltage ratings, the E37F501CPN822MEM9M is a reliable component that can be used in a wide variety of applications.

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