UPT2W121MRD

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Aluminum electrolytic capacitors are fundamental components found in many electronic circuits. Capacitors store electrical charges and, over time, they can lose their charge. UPT2W121MRD capacitors offer customers a reliable and long-lasting charge, making them a popular choice for many applications. This article will discuss the UPT2W121MRD application fields and working principles.

UPT2W121MRD capacitors are designed for various applications due to their wide operating temperature range of -55℃ to +105℃, long shelf life of 3,000hrs, and low ESR (Equivalent Series Resistance). The capacitors are often found within consumer, industrial, and medical electronic applications that require their charge to persist for a long time. Examples of these applications include charge pumps, hand-held devices, and medical implants.

The working principle of UPT2W121MRD capacitors is based on the electrical circuit definition of capacitance. Capacitance is defined as the ability to store electrical energy in an electric field and can be related to the Charge/Voltage (Q/V) relationship. This means that the capacitor stores an electric charge (Q) when the voltage (V) is applied to its capacitance. UPT2W121MRD capacitors use aluminum foil as the electrodes, and the dielectric material is solidified electrolytic torturous. They can supply the required high capacitance and keep it stable over long use times.

The aluminum electrolytic capacitors are also renowned for their low leakage property. The leakage current of UPT2W121MRD capacitors is extremely small, even with a high working voltage. This long leakage property is attributed to the use of small-diameter electrodes, which reduces the distance between the anodes and cathodes. Additionally, the solid electrolyte material provides an efficient electric resistance, further reducing the leakage current.

The internal construction of UPT2W121MRD capacitors is a straightforward design. The two aluminum foils are separated by the anode and cathode surfaces, while the dielectric layer provides electrical insulation. A rubber-like rupturable membrane is usually placed between the two foils to increase insulation and protect the capacitor from any damage. Additionally, a cover is placed on the top of the capacitor to shield it from environmental elements.

Overall, UPT2W121MRD aluminum electrolytic capacitors are a popular choice for many applications due to its long-lasting charge, reliable performance, and low leakage current. Their application fields include consumer, industrial, and medical applications, and their working principle is supported by an aluminum foil anode and cathode, with an insulated dielectric and a rupturable membrane. The internal construction of the capacitors helps with its low leakage and insulation, making them a key choice for many electronic circuits.

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