USR0G221MDD

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors (AECs) are non-solid electrolyte capacitors that feature dielectric anodic metal layers as well as aluminum electrodes. They are commonly used in power supplies, medical equipment, and industrial applications, as well as in a variety of consumer applications such as audio equipment and computers. Because of their superior availability and cost-effectiveness, they are often the choice for many consumer applications.

USR0G221MDD is a type of aluminum electrolytic capacitor and is ideal for a range of high-power applications such as AC mains, DC-DC converters, inverters, motor drives, and even automotive applications. Its combination of high capacitance, low ESR (equivalent series resistance) and ability to handle high ripple currents makes it a perfect fit for power supplies with stringent requirements. It is also notable for its long service life, up to 10000 hours at 85 °C.

Working Principle

USR0G221MDD is a radial-leaded aluminum electrolytic capacitor that uses an anodic aluminum oxide dielectric material. It has an aluminum foil layer that is charged at a specified voltage, which generates an electric field, just like most electrolytic capacitors. However, the oxide dielectric layer presents a much higher capacitance than most other capacitors. This allows for higher energy storage and thus higher operating voltages.

In normal operation, the electric current constantly charges and discharges the capacitor. This results in the capacitor continuously undergoing a cycle of charging and discharging. The capacitor\'s capacitance decreases gradually over time as the oxide layer weakens, but its life can be extended by reducing the frequency of its cycle and avoiding hot spots to prevent excessive current.

Applications

USR0G221MDD is a reliable medium-powered aluminum electrolytic capacitor that can be used in a wide range of applications, from AC mains to DC-DC converters, power supplies, motor drives, audio equipment, and more. Its combination of high capacitance and low ESR makes it an ideal choice for many applications. Its long service life and lower operating voltages also make it suitable for many consumer applications.

It can also be employed in automotive applications, since it can handle higher ripple currents than regular capacitors and can operate in high vibration and temperature environments. Moreover, its resistance to reverse voltage and overvoltage makes it an ideal solution for industrial and power supply applications.

In summary, USR0G221MDD is a reliable aluminum electrolytic capacitor that is ideal for a wide range of applications. Its combination of high capacitance, low ESR, long life, and superior reliability makes it a perfect choice for many industries. Its resistance to reverse voltage and overvoltage also makes it an excellent solution for harsh operating conditions, making it an ideal choice for power supplies and automotive applications.

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