T491B157M004AT

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Tantalum capacitors are electronic components that hold and store electrical energy for a period of time, releasing it as required. The T491B157M004AT is a small, cylindrical, solid electrolyte type tantalum capacitor. It has a high tolerance for heat and vibration, a small size, low ESR (Equivalent Series Resistance), low leakage current and high capacitance per volume.

The application field of the T491B157M004AT includes both power management operations and signal conditioning. In power management operations, it is used as a backup device for data storage, a decoupling capacitor, an energy storage device, and a voltage regulator devices. In signal conditioning applications, the T491B157M004AT is employed in AC-DC converters, audio and video signal conversion, signal processing, and signal isolation.

The working principle of the T491B157M004AT relies on the movement of electrons from one region to another. In general, when a voltage is applied across the two terminals of the capacitor, electrons will be moved from one terminal to the other to balance the charge. This flow of electrons allows for electrical energy to be stored and then released when needed. This stored energy can then be used to power circuits or provide signal conditioning.

The T491B157M004AT is an extremely reliable capacitor thanks to its ability to handle temperatures up to 125°C, in addition to being able to handle high frequencies and lower inductive properties. Its characteristics also make it well suited for filtering, bypassing and blocking operations. The standard tolerance of the T491B157M004AT is ±20%, and its capacitance range is 0.047uF-1000uF.

In summary, the T491B157M004AT is a small, cylindrical, solid electrolyte type tantalum capacitor that is used for both power management operations and signal conditioning. It boasts excellent heat and vibration tolerance, a compact size, low leakage current and high capacitance per volume. The T491B157M004AT is capable of handling temperatures up to 125°C and frequencies up to 1MHz, making it perfect for use in applications that require high tolerances, high temperatures and low ESR.

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