199D685X0016BXV1E3

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Tantalum Capacitors

Tantalum capacitors are electrochemical capacitors which use tantalum as the anode material. These capacitors have several advantages over other types of capacitors, such as a high volumetric efficiency, a low equivalent series resistance, and a low leakage current. They are used in many different applications, including audio and video equipment, power supplies for computers and home appliances, and in digital signal processing systems.

199D685X0016BXV1E3 Application Field and Working Principle

The 199D685X0016BXV1E3 is a tantalum capacitor with a 6.3mm x 5.8mm case size and 16V rated voltage. It is mainly used in automotive applications where its high volumetric efficiency, small size and low equivalent series resistance provide superior performance in a wide range of applications. This capacitor is typically used for power filtering and conditioning, as well as for DC-link and reverse-polarity blocking.

Tantalum capacitors use a dielectric formed from two oxide layers. It is the oxide layer that gives the capacitor its excellent electrical properties. The oxide layer is formed by either an anodization process or a chemical vapor deposition process. The anodization process creates a homogeneous layer of oxide on the surface of the dielectric, while the chemical vapor deposition process produces different oxide layers on the top and bottom of the dielectric.

In a tantalum capacitor, the anode is made of a metal called tantalum, which has a very high resistance to corrosion. This metal is a good choice for use in capacitors because it has a higher melting point and a higher surface area than other metals, allowing it to store a larger amount of electrical charge. The cathode is composed of a conductive material surrounded by an electrolyte, and is responsible for providing the electrical connection between the capacitor and the circuit.

The two oxide layers of the dielectric are separated by a thin layer of tantalum oxide. This oxide layer serves as a barrier to prevent leakage current from passing between the two oxide layers. When a capacitor is charged, the electrons pass through the oxide layers and are stored within them. This stored electrical charge provides the capacitance and allows the capacitor to store energy.

Tantalum capacitors are used for a variety of applications, in industries such as aerospace, automotive, industrial and medical. They are often used for power filtering, DC-link blocking, reverse-polarity blocking and audio/video filtering. They are an ideal choice for a wide range of automotive and industrial applications due to their high volumetric efficiency, small size and low equivalent series resistance.

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