UVK1E221MED1TA

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Aluminum electrolytic capacitors are polarized electrolytic capacitors whose anode electrode is made of a pure aluminum foil with an etched surface. A layer of aluminum oxide, an insulator, forms on the foil. The electrolyte, the cathode of the capacitor, is in liquid or gel form and rubberized by a paper, plastic film or other synthetic components. The thickness of the oxide layer determines the value of the capacitor.

The UVK1E221MED1TA is an electrolytic capacitor manufactured by Vishay Semiconductor. It is designed for use in a wide range of applications from power supplies and time-delay circuits to motor control and UPS systems. This capacitor features low ESR, high ripple current rating, long service life, low inductance, low impedance, silvery terminals and meets the RoHS directive.

The application areas of UVK1E221MED1TA include power supplies and equipment, audio, semiconductor processes, musical instruments, scanners, photocopiers, and other electronic applications. This capacitor is rated at 1.2mΩ (Max), 10kHz (Max) ESR, and rated for 125°C. It offers a wide range of capacitance, from 220µF to 4700µF, and operating voltage up to 63V. All these characteristics make it an ideal choice for many types of power sources.

The working principle of the UVK1E221MED1TA is based on the electrochemical double layer principle where energy is stored in the form of a layer of electrical charges present between the anode and cathode. It stores energy by means of chemical reaction between the aluminum anode and electrolyte. The electrolyte is attracted towards the fabricated aluminum anode, where it forms a layer which acts as a charge carrier. When an external voltage is applied to the anode and cathode, the electrical charges in the double layer are neutralised and current flows.

The aluminum electrolytic capacitor is self-healing and therefore does not require replacement in case of short-circuit or overvoltage events. Upon the removal of the excessive voltage, the electrolyte will regain its form and the capacitor will again function as normal. This capability ensures maximum reliability of the capacitor and eliminates the need for frequent maintenance.

The UVK1E221MED1TA is an advanced aluminum electrolytic capacitor that meets the requirements of a wide variety of electronic applications. It offers high reliability, low ESR, long service life, and low impedance. It is suitable for a range of applications with its wide capacitance and voltage range. Its working principle is based on the electrochemical double layer principle, which allows it to efficiently store electrical charges.

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