B43504B2108M2

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Aluminum Electrolytic Capacitors are among the most widely used type of capacitor, offering a variety of useful features such as high capacitance, low cost, and high reliability. The B43504B2108M2 application field and working principle is a specific example of a particular aluminium electrolytic capacitor that can be used in circuit applications, such as for filtering, bypassing, bulk storage and energy storage.

The B43504B2108M2 aluminum electrolytic capacitor typically has a capacitance of 22 µF +/- 20%, so it can be used to store a substantial amount of charge. Moreover, it can operate under temperatures ranging between -40°C and 105°C, and boast a maximum operating voltage of 63 VDC. The B43504B2108M2 capacitor also has a long operating life, with a rated lifetime of 20000 hours when used at temperatures no higher than 85°C.

The working principle behind an aluminium electrolytic capacitor is quite straightforward. Basically, the capacitor comprises two pieces of aluminium that have been degreased and oxidised. They are then submerged in an electrolytic-grade solution, usually an alcohol or aqueous solution. When a direct current (DC) is applied between the two terminals of the capacitor, electrons move through the solution and deposit metal ions onto the two aluminum surfaces. At the same time, oxygen atoms also attach itself to the aluminium, forming a layer of aluminum oxide.

The amount of electric charge that can be stored within the capacitor is determined by the size of the surface area of the aluminium. This relationship between the surface area and the stored charge is regulated by a law known as the capacitance law. The law states that the capacitance of a capacitor is proportional to the surface area of its electrodes and inversely proportional to the distance between them.

When an alternating current (AC) is applied to the terminals of the capacitor, the positive and negative charges that were deposited onto the aluminum surfaces move back and forth, creating an oscillating electric field. This AC signal is further cooled by the capacitor, allowing only the AC signals of a certain frequency to pass through, while blocking any signals that are below or above the specified frequency. This makes aluminium electrolytic capacitors ideal for use in noise filtration applications.

Aluminium electrolytic capacitors are also popularly used in high-voltage power supplies. By connecting two capacitors with an opposite polarity in series, a larger capacitance can be achieved, allowing for greater energy storage between the two electrodes. Moreover, such capacitors come with a built-in current limiting feature, protecting devices from large electric currents.

In conclusion, the B43504B2108M2 aluminum electrolytic capacitor is an excellent choice for use in various applications. From providing considerable capacitance in noise filtration to high-voltge power supplies, this capacitor offers useful features that are essential in many electronic circuit applications.

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