T491C476K006AS Capacitors

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Tantalum capacitors are the essential building blocks in the modern electronics industry. As an example, T491C476K006AS represents a type of tantalum polymer surface-mount capacitor, with a primary application field in high-current power circuits. Its working principle is based on electrostatic technology, as opposed to electrolytic capacitors.

Tantalum capacitors offer several advantages over other technologies. Their higher volumetric efficiency means a larger capacitance for a given physical volume. Furthermore, the very low ESR (equivalent series resistance) results in extremely low losses, even at high frequencies. This makes them a suitable choice for many high-speed applications. Another advantage is the extreme long-term stability, which is very important for powering critical functions in the circuitry.

The working principle of a tantalum capacitor is similar to other types. It consists of two electrodes (anode and cathode) which act as electric terminals and the dielectric material located between them. The dielectric material controls the magnitude of capacitance. In the case of T491C476K006AS, the dielectric material is a polymer film. When even a small voltage is applied across the electrodes, electrons flow from the cathode to the anode and an electric field is established in the dielectric material. This build-up of electric field creates a charge on both sides of the capacitor, resulting in an electrostatic effect.

T491C476K006AS is a robust, reliable and cost-effective solution for power delivery. This particular model offers a high capacitance of 47µF in a small footprint. It features low leakage current and an insulation resistance of 500MΩ and withstands temperatures as high as 125°C. The capacitor is also self-healing, which allows it to continue delivering power even if punctured accidentally. It also offers high ripple current capabilities, making it suitable for high frequency applications with large current demand.

In summary, T491C476K006AS is an efficient, small form factor tantalum capacitor that is suitable for power delivery. It is highly reliable and cost-effective, while offering a high capacitance and excellent ripple current capabilities. It has a self-healing mechanism and can withstand temperatures up to 125°C. This makes it an ideal choice for high-current power applications in the modern electronics industry.

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