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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are the most widely used capacitors in the electronics industry. They can have a wide range of applications, from decoupling noise in power supplies to high-frequency filtering applications. One type of aluminum electrolytic capacitor which is increasingly popular in the industry is the UVC2G4R7MPD1TD.

Application Fields

The UVC2G4R7MPD1TD is an electrolytic capacitor with a voltage rating of 330V, a capacitance of 46µF and a dielectric of polyethylene-based polyolefin (PE). It is a surface mount capacitor, measuring 16 x 16 mm with a maximum height of 1.6 mm and a total height of 4.75 mm. Its capacitance tolerance is +/-20%.

This low profile capacitor is suitable for a wide range of applications, including power supplies, instrumentation, medical equipment, household appliances, consumer electronics, and automotive systems. It is also suitable for high-humidity environments due to its enclosed casing and PEN dielectric. The combination of its small size and low height make it an ideal choice for applications where space is at a premium.

Working Principle

Aluminum electrolytic capacitors are comprised of three parts: two aluminum foil plates, one of which is etched to form a thin mesh-like surface to increase the surface area, and a thin layer of dielectric material. When a voltage is applied, cations from the electrolyte fill the space between the two plates by laying down a dielectric layer and forming an electric double layer. The dielectric layer enables the capacitor to store energy in the form of an electric field.

A key feature of aluminum electrolytic capacitors is their ability to store large amounts of energy in a small package. This makes them ideal for a wide range of applications, including compensating current in power supplies, smoothing out fluctuations in the anode, filtering noise on logic systems, and providing high-frequency bypass paths. They can also be used to create a multitude of high-pass, low-pass, and band-pass filters.

Aluminum electrolytic capacitors are also known for their ability to handle large fluctuations in voltage. This makes them suitable for use in high-voltage environments where other types of capacitors may fail. The capacitors are enclosed in a case, which protects them from environmental damage and reduces the possibility of short-circuits. This makes them an excellent choice for applications with tight space constraints.

Conclusion

The UVC2G4R7MPD1TD is a surface-mount aluminum electrolytic capacitor which offers a combination of high energy storage and a low profile suitable for a wide range of applications. It can handle large variations in voltage and is protected from environmental damage, making it an ideal choice for high-voltage environments. Its small size and low height make it a perfect choice for tight spaces.

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