ESMQ500ELL472MN40S

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Aluminum electrolytic capacitors, commonly known as "electrolytics", are polarized capacitors. Aluminum electrolytic capacitors are the most commonly used kind of capacitors as seen in consumer electronics. These types of capacitors are made of aluminum oxide, which is an excellent electrical insulator. This type of capacitor consists of aluminum foil, an electrolyte, and a separator, all of which are held together in a housing.

ESMQ500ELL472MN40S Application Fields and Working Principle

An ESMQ500ELL472MN40S aluminum electrolytic capacitor is used in power supplies, power line protection applications, in switch-mode power supplies and as a DC blocking capacitor. This capacitor has a long service life and high temperature range of 105°C. It has a rated voltage of 500V and capacitance of 4700µF. It has a ripple current rating of 15A.

The working principle of the ESMQ500ELL472MN40S aluminum electrolytic capacitor is based on Faraday\'s law of electrolysis. The process begins when a current is established between two electrodes in an electrolyte solution. This causes electric charges to flow and accumulate in the electrolyte. When the capacitor is connected to the power source, the electric charge accumulates on the aluminum foil, creating an electric field between the electrodes.

This electric field causes a polarized electrical potential (referred to as the capacitor voltage) which is equal to the voltage applied across the capacitor. The electric charges flow to the opposite electrode and create a separate polarized potential. This creates electric current which flows between the two electrodes when a voltage is applied.

The capacitance of the capacitor is determined by the capacity of the electrolyte and the physical parameters of the aluminum foil. The value of the capacitance is determined by its operating voltage, frequency, temperature of the electrolyte, and the surface area of the electrodes.

ESMQ500ELL472MN40S aluminum electrolytic capacitorsare designed to provide high ripple current ratings, long service life, and high temperature range. They are suitable for many different applications, including power supplies, power protection, and DC blocking. These capacitors have many advantages over traditional capacitors, such as better temperature range, long term stability, and higher ripple current ratings.

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