T491B475M010ZT7111

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Tantalum Capacitors

Tantalum capacitors, often referred to as taCap or T-CAPs, are electronic components that use a tantalum powder and an electrolyte, such as manganese dioxide, to store energy. A tantalum capacitor has higher energy density than aluminum electrolytic capacitors, making them smaller and more efficient for their performance. They are also particularly useful for providing higher-quality audio signals since they provide better voltage regulation over frequency than electrolytics, although this may come at the cost of higher cost and higher leakage current.

The T491B475M010ZT7911 is a tantalum capacitor with a 4.7 μF voltage of 10 volts. This capacitor has two main traits: low equivalent series resistance (ESR) and high capacitance. Thanks to the amorphous tantalum powder and the stable electrolyte, this type of capacitor offers exceptional performance in terms of ESR, making it attractive for use in high-frequency and ripple applications. Its low ESR reduces the problems associated with high ripple current, especially in DC/DC converters. In addition, the T491B475M010ZT7911 has a working temperature range of -55°C to +125°C, which makes it suitable for use in a wide range of applications where wide temperature fluctuations are present.

The vast majority of tantalum capacitors are leaded devices, but chip-sized offerings are also available in plastic encapsulated formats. This component requires a simple connection with two terminals and can be polarized, meaning the correct orientation of the component must be followed when connected. Non-polarized versions are also available, typically in edge-mounted form or through-hole, again both in leaded and surface-mount packages.

The working principle of a tantalum capacitor is quite simple. It consists of two plates which are separated by an electrical insulator. When a voltage is applied across the two plates, an electric field is generated which causes the production of an electric charge and a small amount of current. The two plates then act like a battery, storing electrical energy.

There are a variety of applications that can benefit from the use of tantalum capacitors. Some of these include low-level power supplies, signal processing, audio systems, automotive systems, computer systems, nanotechnology, and more. They are also popular for use in circuit protection, impedance matching, and for cancelling the self-induction phenomenon.

In addition to their excellent performance, tantalum capacitors have several characteristics that make them attractive to use in some applications. They are typically very stable, offering low leakage and a longer lifespan than their electrolytic counterparts. They are responsive to high frequency signals and thus are often used in high frequency electronic circuits. Finally, they are corrosion resistant, offering excellent reliability in damp and humid environments.

Overall, tantalum capacitors are versatile components with a wide range of applications. Thanks to their high energy density, they can be used to reduce the size of printed circuit boards and provide significant energy savings. In addition, their low ESR, long lifespan, and supreme reliability make them popular with manufacturers who are looking to reduce costs while increasing efficiency.

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