199D476X0010D2B1E3

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Tantalum Capacitors

Tantalum capacitors, also known as tantalum electrolytic capacitors, are part of the wider capacitor family. The uniquely formed capacitor shape consists of an annular solid material (called the anode) and a dielectric that, when combined, form a Tantalum capacitor device. The key building blocks of Tantalum capacitors are the Ta lead frame, dielectric material, cathode, and electrolyte.

Particular code used for Tantalum capacitors is 199D476X0010D2B1E3, which is generally associated with the anode. The anode is the active component of the capacitor, and the dielectric material serves two purposes; to provide electrical insulation between the anode and the cathode and to store electrical charge (which is why capacitors are used). The dielectric can be either a porous type (which stores a charge) or a non-porous type (which does not store a charge).

The working principle of the capacitor is essentially the ability of the capacitor to store and release electrical charge. The dielectric material that is used to form the capacitor is an insulator. When a voltage is applied across the capacitor, current flows across the dielectric material, which causes the dielectric material to become polarized; thus, the electric charge is stored. When the voltage is removed, the stored charge is released and current will no longer flow across the capacitor.

Tantalum capacitors are widely used in a variety of applications, including consumer electronics, communication equipment, automotive electronics, medical equipment, power supplies, and computers. Common applications for Tantalum capacitors include power supply decoupling, combining with resistors for smoothing rectified signals, high-frequency bypassing, and generating negative voltages. The most common type of Tantalum capacitors used nowadays are solid Tantalum electrolytic capacitor (in comparison to the Ta/Ni foil construction of earlier generations).

Overall, Tantalum capacitors have a number of advantages over other types of capacitors, such as their high capacitance-to-size ratio, their small form factor, their low leakage current, and their high temperature stability. Furthermore, Tantalum capacitors are very reliable and can be used in harsh environments, where other types of capacitors would not be suitable.

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