ECE-A1VN220UB

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Aluminum electrolytic capacitors, or electrolytic capacitors, are passive electronic components made up of two metallic plates separated by a solvent or gas. The plates are usually made from aluminum foil, covered with an oxide layer, and then wound together to form a cylindrical shape. The main component of these capacitors is that electrolyte, either solvent or gas, which helps to connect the two plates and allows electrons to move between them. In more advanced applications, a third material, such as a ceramic or polymer, may be used to form a membrane or dielectric layer between the two metal plates.

ECE-A1VN220UB is one of the most common aluminum electrolytic capacitors available. It is a bipole aluminum electrolytic capacitor with two axial leads and plastic case. ECE-A1VN220UB has a maximum rated capacitance of 220µF, rated voltage of 15V and rated ripple(RMS) current of 75mA. It has a ripple current temperature coefficient of -25,000ppm/°C and a nominal temperature of -30 to +85°C. The capacitor also features a lifetime of 2000 hours at +105°C and a rated endurance of 30,000 hours at ≤ +105°C.

ECE-A1VN220UB is widely used in AC filters, audio-frequency circuits, pulse circuits, power supplies, power amplifiers, and motor controls. The capacitors have a wide range of applications in consumer electronics, medical devices, automotive, lighting systems, telecommunication equipment, and industrial automation.

The working principle of ECE-A1VN220UB is based on the concept of capacitance, which is directly proportional to the area of the capacitor\'s plates and inversely proportional to the distance between them. In an electrolytic capacitor, as an AC voltage is applied across the plates, an electric current will flow through the electrolyte, allowing electrons to pass between the plates and creating an electrochemical reaction at the surface of the metal plates. This electrochemical reaction helps to maintain the capacitance of the capacitor.

In addition to maintaining the capacitance, the electrolyte also helps to prevent the formation of dendritic growths on the surface of the aluminum foil, which can degrade the performance of the capacitor. The electrolyte also helps reduce dielectric absorption, which is the tendency of the capacitor to absorb energy from the AC voltage it is exposed to. This makes the capacitor less susceptible to thermal runaway.

ECE-A1VN220UB aluminum electrolytic capacitors are reliable, inexpensive, and widely available components. They are used in a variety of applications, ranging from consumer electronics to medical devices, and their low ESR (Equivalent Series Resistance) makes them ideal for power supply filtering applications. Furthermore, their low capacitance tolerance and wide temperature range make them suitable for many applications.

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