UMT1V4R7MDD

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Aluminum electrolytic capacitors are widely used in the electronics industry for various applications. The UMT1V4R7MDD is specifically designed for use in audio, computer, telecommunications, and other industrial equipment following specific performance requirements. This article will discuss the application field and working principle of the UMT1V4R7MDD.

The UMT1V4R7MDD is an electrochemical capacitor which consists of an electrolyte and two closely spaced aluminum electrodes. A thin film of aluminum oxide, the so-called dielectric, separates the electrodes and provides the capacitance. The capacitance is determined by the distance between the two electrodes, the area of the electrodes, and the dielectric constant of the electrolyte. This capacitor is characterized by its low equivalent series resistance (ESR) and high ripple current rating.

The UMT1V4R7MDD has a variety of applications. For instance, this capacitor is frequently used to filter current in audio and computer equipment. It is used to limit amplitude changes and reduce power dissipation in high-powered switching supplies. The UMT1V4R7MDD is also used to filter high frequency signals in telecommunications equipment, and it is suitable for noise removal in industrial applications. The capacitor is rated for 85°C in operating temperature, and it is available with an extended operational life rating of 2,000 hours at 85°C.

The working principle of the UMT1V4R7MDD is based on electrochemical reactivity. The electrolyte, which serves as the electrolyte solution, is typically composed of a mixture of an organic solvent, an electrolyte such as ammonium salt, and an acidic or basic gas such as ammonia or chlorine gas. This electrolyte solution is contained within an anodized aluminum can. The anodized aluminum can serves as one of the two electrodes, called the anode. The other electrode, called the cathode, consists of a plate of aluminum which has been oxidized. A voltage is applied between the two electrodes, causing a chemical reaction that enables electrons to move from the anode to the cathode. The result is the formation of a capacitive effect.

The electric charge separation which occurs between the two electrodes forms the capacitance of the UMT1V4R7MDD. This capacitance is determined by the distance between the two electrodes, the area of the electrodes, and the dielectric constant of the electrolyte. The capacitance is further dependent upon the specific characteristics of the materials used in the construction of the capacitor; for instance, the type of electrolyte solution used and the thickness of the dielectric. The capacitance of the UMT1V4R7MDD is typically between 400 to 1000 microFarad (µF).

In conclusion, the UMT1V4R7MDD is an aluminum electrolytic capacitor designed for various applications in audio, computer, telecommunications, and industrial equipment. Its working principle relies on the electrochemical reactivity between the anode of the aluminum can and the cathode of the oxidized aluminum plate, resulting in a capacitance of between 400 to 1000 microfarad. This capacitor is capable of providing reliable performance with an extended operational life rating of 2,000 hours at 85°C.

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