T491D475K035AT4153

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Tantalum capacitors are electrochemical devices which have become increasingly commonplace in electronic circuits, with a wide range of applications due to their attractive features.

The T491D475K035AT4153 is a type of tantalum capacitor with a capacitance of 47.5 μF, a voltage rating of 16 V, and a working temperature range of -55 to +125 °C. It is an assembled, solid and chip type capacitor, making it well-suited for use in confined spaces. It is also constructed from sintered tantalum powder, a material which provides a higher volumetric efficiency than both ceramic and electrolytic capacitors.

The primary application of the T491D475K035AT4153 is in power supply filtering and decoupling, in which it is used to reduce voltage noise in circuits. In power supply filtering, the capacitor is used to hold a temporary charge which can smoothen out voltage ripples, while in decoupling, the capacitor is used to store energy for fast current demands. Both applications depend on the capacitor\'s ability to quickly charge up and discharge.

In order to understand the working principle behind the capacitor, it\'s useful to compare it to a battery. Like a battery, it consists of two electrodes separated by an electrolyte. However, while a battery\'s purpose is to store energy, the capacitor\'s purpose is to store charge. This charge accumulates on the capacitor\'s electrodes and causes the voltage between the two electrodes—known as the capacitance—to rise. This change in voltage is then used to provide a current flow or filter out noise in the circuit.

The T491D475K035AT4153 is just one of many types of tantalum capacitors available. Its features—solid construction, high volumetric efficiency, high capacitance, and wide temperature range—make it suitable for a range of applications such as power supply filtering, decoupling, and circuit noise reduction. With the rising use of electronic circuits, the importance of the tantalum capacitor can only be expected to increase.

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