UVY2A222MRD

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, also known as Al-electrolytic, are polarized capacitors with an electrolyte, usually in the form of solid or liquid, as the medium between the two aluminum electrodes. These capacitors are often used in power-supply filtering, decoupling, and energy-storage applications, due to their large capacitance values and high voltage level ratings. Compared to other types of capacitors, such as ceramic capacitors, aluminum electrolytic capacitors typically offer higher capacitance values, higher voltage ratings, and longer usable lifespans.

UVY2A222MRD Application Field and Working Principle

The UVY2A222MRD capacitor is a high-performance aluminum electrolytic capacitor from Panasonic. It is a radial-lead aluminum electrolytic capacitor specifically designed for high-reliability and harsh environment applications. The capacitor offers a wide range of capacitance values up to 900 uF and voltage ratings of up to 450 VDC. The UVY2A222MRD is designed for use in appliances, industrial equipment, medical devices, and automotive applications.

When it comes to its working principle, the UVY2A222MRD is a polarized aluminum electrolytic capacitor. This means the capacitor uses an electrolyte solution to supply electrons between two electrodes; the positive electrode is made of aluminum, and the negative electrode is made of an oxide film. The two electrodes are separated by a membrane that allows electric charges to flow, forming an electric field across the capacitor. This electric field is what allows the capacitor to store electrical energy.

The UVY2A222MRD also has a low impedance and low dissipation factor, which enable the capacitor to provide better high-frequency performance over standard aluminum electrolytic capacitors. The capacitor can also operate in temperatures ranging from -40°C to +85°C and is available in a range of case sizes from 6mm to 10mm in diameter.

The UVY2A222MRD also features a durable-sealed construction, which utilizes soldered-in leads and a combination of aluminum case and silicone rubber sealant to protect against environmental influences such as moisture and corrosion. This ensures that the capacitors are reliable and can offer long-term performance.

Overall, the UVY2A222MRD is a versatile and reliable aluminum electrolytic capacitor that offers a wide range of capacitance values and operating temperatures. Its durable-sealed construction and low impedance and dissipation factors make it suitable for high-reliability and harsh environment applications.

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