B41851A6476M8

Aluminum electrolytic capacitors are widely used in various devices and circuits where high capacity and large capacitance are required. This article focuses on the application field and working principle of B41851A6476M8 aluminum electrolytic capacitor.

Construction and Features

The B41851A6476M8 aluminum electrolytic capacitors form part of the B41851 aluminum electrolytic capacitor series produced by EPCOS. Each capacitor is made up of a cylindrical aluminum case with a press-fit cover. The capacitors are circular in shape and are available in three different diameters 20mm, 25mm, and 40mm in diameter. They also feature long-life design which allows for greater stability, longer operating life, and increased reliability.

The B41851A6476M8 aluminum electrolytic capacitors have a rated voltage of 450 VDC and a capacitance of 47µF. They have a category temperature range of -25 to +105°C and a maximum working temperature of +105°C. The capacitors also feature a ripple current rated for 81.8mArms at 70°C, and have a rated endurance of 5000 hours at 70°C. These capacitors are also certified to UL, CSA and ENEC safety standards.

Application Field

The B41851A6476M8 aluminum electrolytic capacitor can be used in various applications, such as power supplies, motor drives, automotive electronics, and industrial electronic systems. The capacitor also provides stable performance and long-life for use in industrial environments. The capacitor is ideal for use in circuits where a large amount of capacitance is needed for bulk energy storage or high peak current applications.

The capacitor is also suitable for use in circuits where low impedance is required, such as AC powered applications. Additionally, the capacitor can also be used in circuits where high stability is required, such as circuits requiring long-term operation of the same voltage and capacitance ratio.

Working Principle

Aluminum electrolytic capacitors work on the principle of electrolysis. They are made up of two plates separated by a sheet of dielectric material. One plate is an anode and the other plate is a cathode. The anode and cathode are separated by a dielectric material, which can be made of paper, plastic, or aluminum oxide.

When voltage is applied to the anode, it creates an electric field across the dielectric which causes ions to move from the anode to the cathode. As a result, ions accumulate on the cathode and create a conductive layer. As the voltage increases, the conductive layer increases in thickness and capacitance increases. The capacitance is then converted into electrical energy which is stored.

Conclusion

The B41851A6476M8 aluminum electrolytic capacitors are the perfect choice for any application which requires a large amount of capacitance or where high peak current is needed. These devices are reliable and offer excellent performance over a wide temperature range. They are also certified to UL, CSA and ENEC safety standards, making them safe for use in industrial settings.