UBW1K470MPD

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Aluminum Electrolytic Capacitors : UBW1K470MPD application field and working principle

Aluminum electrolytic capacitors are passive electronic components consisting of a solid aluminum oxide, formed on the surface of an anode foil, as the dielectric medium and a metal case to act as the cathode to hold the charge. The UBW1K470MPD is an ultra-low ESR aluminum electrolytic capacitor manufactured by United Chemi-Con and features a voltage of 16 VDC, a capacitance of 470 µF, and temperature range of -40°C to +85°C.

The UBW1K470MPD\'s perfect for applications where high output current and stability is needed, such as in switching power supplies, distributed power systems, and noise filters in ICs. The features of its structure include a sealed case and a sealed tight construction, which eliminates flux polarization and ensures stable capacity and improved ESR characteristics over its long lifespan. It also has an advanced sealing system to protect against liquid and gas leakage.

The working principle of the UBW1K470MPD is based on the electrochemical reactions involving an anode and a cathode in a dispersion medium. This dispersion medium is an organic electrolyte solution that contains salts dissolved in a solvent. When a voltage is applied to the capacitor, electrons released from the anode are negatively charged and attracted to the positive source of electricity, while positive ions in the electrolyte solution flow towards the negative electrode at the same time. This reaction causes molecules of the electrolyte solution to be ionized and accumulate on the cathode, producing a charge.

This charge forms an electric field across the capacitor, which stores energy for use when the current is either reversed or cut off. As the charge accumulates on the capacitor, its capacity increases. The UBW1K470MPD features a very low ESR (equivalent series resistance) which means it can provide large currents efficiently and over a long period of time.

Apart from the superb performance, the UBW1K470MPD also boasts a long lifespan because of its superior sealing process, which prevents the dielectric medium from being contaminated by moisture or air. Moreover, United Chemi-Con provides a lifetime warranty for the capacitor, which is a testament to their commitment to creating reliable and resilient products.

In conclusion, the UBW1K470MPD aluminum electrolytic capacitor is a great choice for applications requiring stability, high output current and long lifespans. It is cost-effective, and offers performance with a long lifetime warranty.

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