TAJD475K050HNJ

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Tantalum capacitors are one of the most sought-after and robust components in modern electronics. They are widely used in a variety of industries, such as consumer electronics, telecommunications, automotive, or medical devices. They are preferred over other types of capacitors because of their small size, low profile, and superior reliability. The TAJD475K050HNJ is an example of a highly reliable tantalum capacitor, with an application field and working principle that make it an ideal choice for many electronic designs.

What is a TAJD475K050HNJ?

The TAJD475K050HNJ is a surface-mounted tantalum capacitor manufactured by Vishay. It has a rated capacitance of 47µF, a voltage rating of 16V, an extended equivalent series resistance (ESR) of 0.05Ω, and a temperature derating of up to 20% (at 25°C). Its extended ESR reduces losses, which increases the lifespan and overall reliability of the capacitor. This, in turn, makes it an excellent choice for high-frequency, high-current applications, such as telecommunications and automotive.

Working Principle

A tantalum capacitor works by producing an electrical storage field within its internal dielectric layer. This dielectric layer is made from a combination of solid and liquid tantalum. When voltage is applied to the capacitor, electrons are transferred between the electrodes and the solid and liquid tantalum, resulting in a charge that is stored until the voltage is removed. This process is known as a capacitive reactance, and it is what allows tantalum capacitors to be so efficient, reliable, and powerful.

Main Applications

TAJD475K050HNJ capacitors are primarily used in telecommunications, automotive, audio equipment, and military applications. When used in telecommunications, they are employed to control signal quality and reduce interference. In the automotive industry, they are employed for power management, power protection, and EMI/RFI suppression. In military applications, they are used for various power management, energy storage, and energy conversion functions. They can also be used in audio equipment for anti-bumping, filtering, and noise damping.

Advantages

Tantalum capacitors are well-known for their numerous advantages, such as high capacitance densities, volumetric efficiency, and cost effectiveness. The TAJD475K050HNJ also offers a number of additional advantages, such as low equivalent series resistance (ESR) and reliable performance in extended temperature ranges. This makes it a great choice for applications where temperature presents a challenge, or where efficiency and reliability are essential.

Conclusion

The TAJD475K050HNJ is a reliable, versatile, and high-performance tantalum capacitor. It has a compact size and low profile, making it suitable for a variety of applications. Its extended ESR and temperature derating allows it to operate successfully in extreme conditions, and its high capacitance densities and volumetric efficiencies make it an excellent cost-effective solution for many electronic designs.

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