UHE2A271MHD6TN

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are the most commonly used type of capacitor in the electronics industry. They are comprised of a thin dielectric film, usually aluminum oxide, which provides a barrier between the two electrode plates. One of the electrode plates is made of aluminum, while the other is typically tin-plated copper. The two plates are separated by a liquid electrolyte, which acts as an ionic conductor between them and allows them to store and release current.

The UHE2A271MHD6TN is an aluminum electrolytic capacitor. It is commonly used in high-frequency applications, due to its low equivalent series resistance (ESR), and high ripple current. Its features include a 2.7μF capacitance, a 20V operating voltage, and a high temperature range of +105°C, which makes it suitable for use in a range of temperature extremes. It also has a rated lifetime of up to 2000 hours, making it very reliable.

The primary purpose of an aluminum electrolytic capacitor is to store and release electric energy as needed. This can be a useful tool in reducing high voltage spikes and smoothing out pulsing and AC signals. The structure of the UHE2A271MHD6TN capacitor helps in these applications by allowing it to have a higher ripple current rating and as such assist in the rapid supply and release of electricity.

The working principle of an aluminum electrolytic capacitor is based on the capacitive reactance of the capacitor. Capacitive reactance is a measure of the capacitor’s resistance to alternating currents (AC). When a DC voltage is applied to the capacitor, electrons start to move across the dielectric barrier from the negative to the positive plate, creating a current. As the charge accumulates, the strength of the electric field increases, and thus the capacitance. When the voltage is removed, the opposite polarity electric field is generated and the capacitor begins to discharge.

In the case of the UHE2A271MHD6TN capacitor, the combination of its high capacitance and relatively small dimensions make it a reliable and high performance component for a wide range of applications. With a low ESR rating, it can be used as an energy storage device in power supply circuits and AC filters. It is also used in audio crossover networks and amplifier power supply circuits. Its long life cycle and wide temperature range make it suitable for a range of applications, including in harsh industrial and military environments where reliability and performance are paramount.

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