50WXA100MEFC8X9

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Aluminum Electrolytic Capacitors

aluminum electrolytic capacitors are one of the most common types of capacitors. They are made of aluminum foil that is coated with an oxide layer and then rolled into a cylindrical shape. An electrolytic liquid is used to fill the capacitor and it is sealed with a metal cap. The capacitance of an aluminum electrolytic capacitor is determined by the area of the two plates and the separation between them. The rated capacitance of some aluminum electrolytic capacitors can range from 10µF to 1000µF.

The 50WXA100MEFC8X9 aluminum electrolytic capacitor is a surface mount capacitor. It has a rated capacitance of 100µF. The product dimensions are 10.2 x 10.2 x 8.0 mm (L x W x H) with gold terminals. It also has a rated voltage of 50WV DC and a temperature range of -40°C to +105°C. It is designed for automotive applications and it is RoHS compliant.

Application Field

The 50WXA100MEFC8X9 aluminum electrolytic capacitor is used in a wide range of applications. These include automotive electronics, audio-video equipment, HVAC systems, power supplies, and motor controllers. The capacitance and high rated voltage make it ideal for noise reduction and the elimination of radio interference. This capacitor can be used in applications that require low equivalent series resistance (ESR) values for better high frequency performance.

Working Principle

The working principle of aluminum electrolytic capacitors is based on the Faraday Effect. When the voltage across an electrolyte solution is increased, it causes ions from the solution to migrate and form a layer on the anode (positive electrode) of the capacitor. This ionic layer acts as the dielectric material and allows for the storage of electrical energy. The higher the voltage across the electrolyte, the thicker the dielectric layer.

When the voltage across the capacitor is decreased, it causes a reverse migration of the ions in the electrolyte. This creates a dielectric layer on the cathode (negative electrode) of the capacitor and the electrical energy is discharged. The discharge current is determined by the capacitance of the electrolytic capacitor and the voltage across it.

Aluminum electrolytic capacitors are also known for their high energy density, long life expectancy, and good reliability. They are cost effective and easy to manufacture in large volumes, making them one of the most popular capacitor types used in electronics.

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