T491A105M010AT

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Tantalum capacitors are capacitors that use Ta205 powder as one of their two electrodes. The two electrodes are separated by a dielectric material, typically an organic polymer film, such as polypropylene, polyester, and Teflon. They provide high capacitance values in relatively small package sizes, and are particularly well-suited for surface mount applications. Tantalum capacitors are often used in applications that require a high degree of stability, such as switched-mode power supplies, critical signal filtering, signal conditioning, pulse modulation, and other high-frequency circuits.

The T491A105M010AT is one type of tantalum capacitor. This device has an etched Niobium-based anode shell, manganese dioxide cathode, and a PTFE film that acts as a dielectric material. It is designed for 85V operation, with a rated capacitance of 10μF, and a maximum ripple current of 50mA.

The application field for the T491A105M010AT encompasses a wide range of industries and applications. Typical applications involve switching power supplies, which use the device to help regulate voltage and current to a desired level. Another common application involves consumer electronics, such as cell phones, tablets, and laptops, in which they are used to help keep the device powered up, regulate current draw and MHz clock rates, etc. Audio electronics are another major field that uses tantalum capacitors, as they are often used to help filter audio signals in order to reduce noise and distortion.

The working principle of the T491A105M010AT is identical to other tantalum capacitors. When a voltage is applied to the device, the current flow is initially blocked due to the dielectric material (typically a polypropylene film) that separates the two electrodes. However, as current continues to flow, the dielectric material begins to breakdown and is eventually replaced by an electrolyte solution. This solution forms a conductive interface between the anode and cathode, allowing them to store electrical energy for a period of time.

When the voltage is removed, the current flow ceases and the anode and cathode will become separated once again by the dielectric material. However, the charge will remain stored in the device until the voltage is reapplied and the current flow resumes. This is how the T491A105M010AT is able to act as a capacitor and store energy.

The T491A105M010AT tantalum capacitor is an excellent choice for applications that require a high degree of stability, reliability, and low self-discharge rate. Its small physical size allows for easy implementation in high density surface mount designs, and its high capacitance makes it ideal for electricity storage applications, especially in switching power supplies. Overall, the advantage of using tantalum capacitors in low frequency applications makes them an excellent choice.

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