EKMH630VNN123MA50T

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Aluminum electrolytic capacitors, consisting of two aluminum foils with an electrolytic paper in between, function as energy storage holding an electric charge, as well as to filter out the electric signals. The EKMH630VNN123MA50T is an aluminum electrolytic capacitor, manufactured by Nichicon Corporation, designed for use in industrial and military applications.

The capacitor is available in multiple capacitor types such as long life, low impedance, low ESR, and bipolar. It is constructed with low-resistance and high-resistance vent system to prevent the occurrence of dry-out and corrosion due to the trapped gases that are generated during operation. The capacitor also has low equivalent series resistance (ESR) values that reduce noise and ripple current, allowing for higher capacitance density.

The EKMH630VNN123MA50T capacitor has an operating temperature range from -55°C to +125°C and a maximum working voltage of 630V. It is available with capacitance values ranging from 10µF to 5600µF. The standoff configuration within the body casing and its SNAP-IN™ mounting system also make it suitable for a range of applications.

Typical applications of this aluminum electrolytic capacitor include power supplies, power drives, switch-mode power supplies, DC-DC converters, voltage converters, uninterruptible power supplies, lightning protection circuits, and high-frequency switching circuits. The capacitor is also preferable in circuit applications involving electrolysis, electroplating, measuring instruments, and robotics, as well as applications that require a high surge operation or ripple current.

In terms of the working principle, when the applied voltage is greater than the breakdown voltage, electrons can cross the electrical boundary between the anode foil and the electrolytic paper. An electric field is created between the anode and the cathode foils, which draw the electrons toward the anode, and positive ions form a thin layer of metal electrolyte between the anode and the cathode foils. This phenomenon, known as polarization, stores electric energy in the capacitor.

The anode and the cathode foils are then surrounded by an insulating material to help prevent electrical leakage between the foils, while the outer casing protects all the components. The EKMH630VNN123MA50T aluminum electrolytic capacitor offers excellent temperature characteristics and is a valued choice for both high-frequency and military applications.

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