T491D157M016ZT

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T491D157M016ZT tantalum capacitors are widely used in modern electronics, both for consumer use and for many industrial applications. They are available in various sizes and shapes, including surface mount chips and axials. Their capacitance ranges from 2.2 μF to 330 μF, with a wide variety of temperature and operating voltage ranges. The most commonly used temperature range is -55°C to +125°C.

T491D157M016ZT capacitors are characterized by their high reliability, low profile, and low equivalent series resistance (ESR). The ESR of a capacitor is a measure of the resistance to current flow that is introduced into the circuit by the capacitor itself, and the lower the number, the better the capacitor. The T491D157M016ZT capacitor features a low ESR for reliable performance in a wide range of applications.

Tantalum capacitors are constructed from two metallic electrodes. One electrode is formed from a layer of tantalum, and the other from a layer of conductive material (called the dielectric). The two electrodes are separated by a thin layer of an electrolyte, typically a few nanometers thick. When an electric current is applied to the capacitor, the positive charged ions of the electrolyte migrate toward the negative electrode, and the negative ions migrate toward the positive electrode.

This migration of ions causes the accumulation of positive and negative charges inside the electrolyte, forming a symmetrical space-charge region. This region reduces the capacitance of the capacitor since it acts as an insulator. As the voltage across the capacitor increases, the space-charge region expands, leading to an increase in capacitance. The space-charge region limits the voltage at which the capacitor may be safely operated, and the maximum voltage rating of the T491D157M016ZT capacitor is 16V.

The T491D157M016ZT capacitor is typically used in applications where a limited amount of capacitance is required, such as RF circuits, timing circuits, and energy storage in DC circuits. The low equivalence series resistance (ESR) of the T491D157M016ZT capacitor makes it a good choice for circuits that require fast charging and discharging. It is also useful in power supplies that require very low ripple, as the low ESR of the capacitor reduces the current drawn during its charging and discharging cycle.

In summary, the T491D157M016ZT tantalum capacitor is a reliable and versatile component that can be used in a wide range of circuits. It has a low ESR and a maximum operating voltage of 16V, making it an ideal choice for circuits that require fast charging and discharging. With its broad range of temperature and operating voltage, the T491D157M016ZT capacitor is a good choice for a wide range of application fields.

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