UPW1A272MHD1TO Capacitors

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Aluminum electrolytic capacitors are widely used in electronic circuits for their low cost, high capacitance values, and robustness. UPW1A272MHD1TO is an aluminum electrolytic capacitor designed for power electronic applications that require high capacitance and temperature stability. In this article, we will discuss the application field and working principle of this particular capacitor.

Application Field

The UPW1A272MHD1TO is designed for versatile use in many industrial and consumer applications. It is ideal for use in power supplies, signal conditioning and processing applications, lighting systems, motor control circuits, DC to DC voltage converters, and other high-frequency circuit applications. Furthermore, it is also designed to operate over a wide temperature range, making it suitable for applications where temperature variations can occur.

The UPW1A272MHD1TO is a high-temperature, long-life aluminum electrolytic capacitor with an insulation rating of up to 105°C. It has low ESR and high ripple current capability, making it suitable for operating with up to 10V/V peak-to-peak input voltage and 1MHz switching frequencies. It also has low internal resistance and is often used as a power-storage device in power supplies. This capacitor is available in several different sizes, capacitance values, and voltage ratings to meet the needs of various applications.

Working Principle

An aluminum electrolytic capacitor is constructed of a metal case containing two aluminum foils placed inside a non-aqueous, electrolytic solution. One of the foils is etched with patterns of microscopic pores and separated from the other by a barrier of a dielectric material such as paper. When voltage is applied across the capacitor, the electric field established between the foils causes the electrolytic solution to ionize and a dynamic electrical double layer is formed at the interface between the two foils. This is what causes the capacitor to store electrical energy.

The UPW1A272MHD1TO uses a special electrolytic solution called an anodization layer. This layer is made up of an oxide that forms a filamentous structure which increases the surface area of the capacitor anode. This helps to increase the amount of energy that the capacitor is able to store. The anodization layer also helps to reduce the equivalent series resistance or ESR; which is the resistance of the capacitor when it is supplying current. A lower ESR means that the capacitor is better able to handle high ripple currents and has lower performance losses.

The UPW1A272MHD1TO is designed to have an extended service life of up to 10,000 hours at 105°C. It has a temperature-dependence rating of 5% or less, meaning that it will not change in capacitance values as the temperature increases. The internal impregnation seal also prevents any leakage of electrolytic solution, making it safe to use in applications that require extended life.

The UPW1A272MHD1TO is an optimal choice for applications that require long life, high temperature stability and high capacitance. It is a rugged and reliable capacitor with many applications in power electronics, signal conditioning, motor control, and voltage converters. With its extended life and low ESR, it is a great choice if you need reliable and robust performance from your capacitor.

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