EKMH451VSN181MQ45S

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Aluminum electrolytic capacitors are widely used in cars, consumer electronics, telecommunications, industrial electronics and a wide variety of consumer and industrial applications. They are commonly used for DC connecting, pulsing, AC line filtering, energy storage, and current-limiting applications. The capacitor manufacturer’s part number, in this case the EKMH451VSN181MQ45S, specifies the device type, capacitance, voltage, leakage current, capacitance tolerance, mounting, and other important parameters.

In industrial applications, the aluminum electrolytic capacitor is used for signal and power circuits to provide smooth power supplies, regulation, and voltage-holding capacity for power electronic devices. The EKMH451VSN181MQ45S aluminum electrolytic capacitor is t antamount to standardized capacitors in the industry.

An aluminum electrolytic capacitor is composed of two aluminum foils, which are the anode and the cathode addressed herein as anode (+) , cathode (-), separated by paper sheets soaked in electrolyte which provide the electrical insulation. The basic composition is shown in the diagram. The foil is a thin aluminum plate, the oxidized film on it’s rolled up and the paper insulation soaked in the electrolyte solution is also where the electrolyte compounds.

Working Principle: The capacitance of an aluminum electrolytic capacitor is determined by the thickness of the dielectric film, the surface area, and the permittivity of the dielectric film. When electric potential is applied between the two electrodes, positive charges accumulate on the anode (+) and negative charges accumulate on the cathode (-). This charge separation between the two electrodes, separated by a dielectric insulated layer, creates capacitance.

An aluminum electrolytic capacitor is usually built in the form of a cylinder with a metal rigid body as a heat sink. The capacitor is manufactured by rolling aluminum foil and then impregnating it with an electrolyte. This form is known as an “Axial-Aluminum Electrolytic Capacitor”. Other types are “Ion-Deposition Aluminum Electrolytic Capacitors”, “Tantalum Aluminum Electrolytic Capacitors”, “Mica Aluminum Electrolytic Capacitors”, “Ceramic Aluminum Electrolytic Capacitors”, “Molded-Chip Aluminum Electrolytic Capacitors” and “Supercapacitors”.

The EKMH451VSN181MQ45S aluminum electrolytic capacitor is considered to be a radial type, dual ground, long life, aluminum electrolytic capacitor. It is designed for ultra-high performance and long-term reliability in harsh environments. This capacitor is widely used for supplying smooth DC voltage to power electronic devices, including motor and automotive controls. Its maximum operating temperature is 105°C and a ripple current rating of 3,000A.

The EKMH451VSN181MQ45S aluminum electrolytic capacitor is an electrically-rugged component that provides high levels of reliability, with low parameters drift, superior temperature coefficients, and high capacitance density. It is also low-leakage and low-ESR in all temperature ranges, making it suitable for providing high-quality DC connections and pulse applications. The EKMH451VSN181MQ45S aluminum electrolytic capacitor is an ideal device for applications requiring high-precision and reliability such as those found in consumer, automotive, and industrial electronics.

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