UVY2A470MPD

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Aluminum electrolytic capacitors, commonly known as aluminum electrolytic capacitors, are polar capacitors, generally composed of an aluminum foil, a paper separator, and an electrolyte. They are widely used in modern electrical circuits, especially in resonance, filter, coupling and other circuits in power supplies, switch power supplies, audio power amplifiers, televisions, etc.

The UVY2A470MPD capacitor is a radial lead, snap-in aluminum electrolytic capacitor with a capacitance rating of 470μF at 10 VDC and an enhanced ripple current rating of 680 mA @ 105°C. The ripple current rating ensures that, when used in a switching power supply or audio power amplifier, the current flowing through the capacitor will not lead to an excessive temperature rise.

The application fields of the UVY2A470MPD capacitor include switching power supplies, computer uninterruptible power supplies, audio power amplifiers, LED power supplies, micropower amplifiers, DC/DC converters, and HVAC systems. In these applications, this capacitor works as a filter capacitor to reduce electrical noise, reduce power loss, and maintain a steady voltage output. It is also common to see them used as coupling capacitors in applications where they are used to separate AC and DC signals.

The working principle of the UVY2A470MPD capacitor is based on electrolysis. When an external voltage is applied to the terminals, positive ions migrate toward the negative terminal and negative ions migrate toward the positive. This forms an electrolyte layer between an aluminum foil and a paper separator. As the current flows through this layer, capacitive coupling occurs, providing the required capacitance while reducing electrical noise.

The design of aluminum electrolytic capacitors ensures that the capacitance is higher than other types, allowing them to respond faster to changes in voltage and current. At the same time, the aluminum foil and electrolyte are designed to reduce the leakage current, providing enhanced reliability and life expectancy.

In conclusion, the UVY2A470MPD aluminum electrolytic capacitor is designed for use in a variety of applications, including switching power supplies, computer uninterruptible power supplies, audio power amplifiers, LED power supplies, micropower amplifiers, DC/DC converters, and HVAC systems. It works on the principle of electrolysis, providing capacitive coupling while reducing electrical noise. The design of the aluminum foil and electrolyte ensures that the capacitor is able to respond quickly to changes in voltage, while reducing leakage currents and providing enhanced reliability and life expectancy.

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