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Tantalum Capacitors

A tantalum capacitor, also known as solid tantalum electrolytic capacitor, is a type of electrolytic capacitor, which uses tantalum as an anode. The composition of the anode differs depending on the manufacturer, but it typically consists of a sintered tantalum anode, a tantalum-oxide dielectric layer, and an electrolyte, usually containing an organic solvent. Tantalum capacitors are typically used in high-performance applications, because they offer high stability, high capacitance values, and good frequency characteristics. The part number 135D476X9050F2 is one example of a tantalum capacitor.

Application Field

Tantalum capacitors are often used in high-performance applications, such as in power supplies, DC-to-DC converters, and frequency converters. They are also used in military and aerospace applications. These capacitors have a wide working voltage range, making them suitable for a variety of applications. They are also very stable, making them an ideal choice for precision device designs. The unique characteristics of tantalum capacitors make them a popular choice for a variety of machine-oriented and high-performance applications.

Working Principle

Tantalum capacitors use a tantalum anode in combination with a special electrolyte and a dielectric layer to create a type of capacitor that is highly efficient and stable. The tantalum anode consists of a sintered tantalum layer, which is composed of tiny metallic particles of the same material that are sintered together. This creates a fine network of junctions, through which current can pass. The dielectric layer is usually made of tantalum oxide, which acts as an insulator between the anode and the electrolyte. The electrolyte is a special fluid, usually containing an organic solvent, which is placed between the anode and dielectric layers and provides the ions necessary for current flow. When a voltage is applied to the capacitor, the electrolyte provides the ions for conduction, allowing the current to flow through the anode junction network. This current creates an electric field, which stores the energy as an electrical charge.

Tantalum capacitors are used because of the superior performance they offer in comparison to other types of capacitors. They offer high stability, good frequency characteristics, high capacitance values, and a wide working voltage range. They are also very reliable, making them an ideal choice for precision device designs and for a variety of machine-oriented applications. When combined with other electronic components, they can help extend the lifetime of the circuit and offer improved performance.

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