T491C476M010AT4021

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T491C476M010AT4021, also known as tantalum capacitors, are small, electrolytic capacitors with a high capacitance per unit volume. Found in all electronic PCB designs, these capacitors are particularly useful in power supply applications. With their small size and reasonable cost, these capacitors have become increasingly popular with the advent of high-speed digital designs. Here, we will take a closer look at the application fields and working principles of T491C476M010AT4021.

When it comes to application fields, T491C476M010AT4021 capacitors are often used to provide the necessary voltage and current stability for the operation of most electronic devices. This can include providing the required power for sophisticated watches, microprocessors, LED drivers, and memory devices. Each application carries its own set of requirements, and the capacitance of T491C476M010AT4021 should be carefully chosen to meet each application’s specific needs.

T491C476M010AT4021 capacitors employ a dry oxide dielectric to store electric charge and are typically constructed by forming a semiconductor oxide layer by anodising the surface of a tantalum metal electrode. As such, they are commonly referred to as “wet tantalum capacitors”. When current is applied, the oxide layer forms a barrier between the metal electrode and the electrolyte and charges up to store energy.

The two main advantages of using T491C476M010AT4021 capacitors are their excellent volumetric efficiency and low Equivalent Series Resistance (ESR). The volumetric efficiency comes from the fact that these capacitors have large surface areas for charge storage that allows a high capacitance per unit volume. The low ESR means that the capacitors have a low impedance, which helps to reduce noise in the circuit, particularly in high-speed digital designs.

Compared to other types of capacitors, the T491C476M010AT4021 can handle considerable amounts of ripple current due to their low ESR and volumetric value, making them particularly suitable for applications requiring large ripple currents. Their low ESR also helps them handle high-voltage demands and helps reduce power losses in the circuit. Additionally, these capacitors have a wide temperature range as they are not affected by changes in temperature, helping them to remain functional in extreme temperatures.

T491C476M010AT4021 are also known for their high reliability due to the rugged construction of their oxide dielectric. As such, these capacitors are able to survive high levels of stress and vibration without suffering any damage. This UV protection limits the amount of damage done by ultraviolet light, particularly in outdoor applications. In addition, the capacitors can hold up to high temperatures and are also not electrostatically sensitive, which makes them useful in sensitive electronic devices.

These above-mentioned characteristics make T491C476M010AT4021 ideal for use in a range of different applications, from memory devices and digital equipment to power supplies. The high volumetric efficiency, low ESR, and robust construction make them well suited for these applications, and their low cost and long life make them a cost-effective choice for many circuits.

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