URZ1E221MPD1TD Capacitors

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Aluminum electrolytic capacitors are widely used in electronic equipment. They are suitable for applications where low cost PCB mounting is necessary as well as applications in power supplies and other high voltage and/or large current applications where their low cost and low ESR make them attractive. One such capacitor suitable for these applications is the URZ1E221MPD1TD. This article looks at the application field and working principle of this capacitor.

The URZ1E221MPD1TD is a radial leaded aluminum electrolytic capacitor with a molded case and snap-in mounting option. It offers 20% lower ESR than other aluminum capacitors in its class. The part is rated for 250V DC and available in capacitance values ranging from 180uf to 2,200uf and operating temperature range of -55 to +105 degree Celsius. It has excellent ripple current capability, making it ideal for use in power supplies, DC-DC converters, high-current decoupling, and other high current applications. It has high stability, low ESR and very low leakage current and is an ideal choice for use in automotive, telecom, and industrial applications.

Electrolytic capacitors are made up of an aluminum anode and cathode foil, paper separator and electrolyte. The anode foil is the positive side and the cathode foil is the negative side of the device. The capacitors are polarised and have to be connected the right way around. A DC bias applied to the aluminum oxide layer on the anode foil breaks down the oxide layer and forms a conductive, charged layer. This layer is the dielectric of the capacitor and is responsible for its capacitance. The current flows between the anode and the cathode, allowing the capacitor to store energy.

The electrolytic capacitors have low impedance and low ESR due to its electrolytic oxide layer. This allows it to handle large ripple currents with less distortion, hence reducing heat generation. This make the capacitors very useful in high voltage and/or high current applications, such as in power supplies, DC-DC converters and automotive electronics. It is also highly stable and has a low leakage current, making it a preferred choice for use in telecom and industrial applications.

The URZ1E221MPD1TD aluminum electrolytic capacitor is suitable for use in a wide range of applications. Its low cost and low ESR make it an ideal choice for use in power supplies, DC-DC converters, high-current decoupling, and other high current applications. Its high stability, low ESR and very low leakage current make it an ideal choice for use in automotive, telecom and industrial applications. It is thus a highly reliable capacitor that offers high performance and is suitable for a wide range of applications.

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