KMQ400VS391M25X50T2

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Aluminum Electrolytic Capacitors

The KMQ400VS391M25X50T2 is an aluminum electrolytic capacitor, a passive type of electronic component which stores and releases energy in the form of an electric field. This type of capacitor is created by using aluminum oxide film to separate two conductive plates, made of aluminum foil and dipped into an electrically conductive material (known as electrolyte). The resulting device acts as a storage device in the circuit for a great variety of electrical applications.

Application Field

The KMQ400VS391M25X50T2, being an aluminum electrolytic capacitor, can be used to smooth out power supply fluctuations, reduce noise, filter out unwanted signals, etc. It can be found in power supplies, audio amplifiers, DC to DC converters, LCD displays, etc. It can be also used for coupling and decoupling purposes, that is blocking direct current (DC) but allowing alternating current (AC) to pass through. The capacitor is particularly suitable for high-volume, high-pulse applications such as switching mode power supplies.

Working Principle

The capacitor functions by storing electrical energy in an electric field between two capacitive plates. It stores the current that is sent to it until the circuit is broken and the plates are discharged. The storage capacity of a capacitor is determined by the surface area of its plates and the distance between them. The capacity of the KMQ400VS391M25X50T2 is 400V, 391 µF and 25 × 50 mm.

The high working voltage of the KMQ400VS391M25X50T2 is achieved by the use of high-quality aluminum oxide film and electrolyte, as well as a carefully designed construction. Its components and materials have been chosen for their ability to withstand operating temperature and applied voltages without degrading performance. The capacitor’s operating temperature range is from -55°C to +101°C.

Due to its small size and high capacitance, the KMQ400VS391M25X50T2 is used in a wide range of electronic applications. Because of its high voltage rating, it is also ideal for high-voltage applications, such as in automotive applications. Thanks to its long life and robust construction, the capacitor retains stable performance for a long period of time without failure.

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