CWR26HH336MBFA\HR

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Tantalum Capacitors

The CWR26HH336MBFA\HR is a type of Tantalum Capacitor. A tantalum capacitor is an electrolytic capacitor, a component of electronic circuits. It typically consists of two or more conductive,"plates" placed in an electrolytic solution. It differs from a regular foil electrolytic capacitor, as its specific capacitance (current-holding capacity) is much higher.

Applications of Tantalum Capacitors

Tantalum capacitors have multiple use areas including aerospace, automotive, industrial, medical, and military applications. One of their most popular uses is in energy storage applications. Industries use them to build systems which store energy, maximize efficiency, and reduce equipment size. In addition, they are used in many areas for filtering, decoupling, and in signal applications as they have a very low Equivalent Series Resistance, and paired with a low temperature coefficient, they are able to meet high frequency requirements.

Working Principle of Tantalum Capacitors

To understand how a tantalum capacitor works, it is important to be aware that they are essentially two conductive plates with a dielectric material separating them, known as the dielectric layer. Capacitors are able to store energy as a result of the electrical field created within the dielectric material. In the case of a tantalum capacitor, the most commonly used dielectric material is tantalum oxide. This type of capacitor utilizes an electrolyte solution, usually potassium hydroxide, in order to provide ions which fill the empty pores in the tantalum oxide. The result of this is an increased capacitance. The tantalum oxide does not hold onto the ions forever, meaning that the dielectric layer can be discharged when an electrical voltage is applied. This is what is known as a reverse breakdown voltage.

Pros and Cons of Tantalum Capacitors

Tantalum capacitors have a plethora of advantages, including having a very low ESR, a good temperature coefficient, and they are able to operate in cases of high temperature. In addition, they can be polarized. This means that if they are connected in the wrong direction, they won’t be damaged. However, tantalum capacitors do have some drawbacks. They have poor thermal shock resistance, they can be electrolytic splashed, and they require a long conditioning time in order for the electrical characteristics of the device to stabilize. Furthermore, if they are mishandled, they could cause short circuits.

Conclusion

In conclusion, the CWR26HH336MBFA\HR is a type of Tantalum Capacitor. It has multiple applications and working principle. They are most commonly used in energy storage applications, as they have a very low ESR and a good temperature coefficient. However, they can also be prone to mishandling and may require a long conditioning time for their electrical characteristics to stabilize. Nevertheless, their advantages outweigh their disadvantages, which is why Tantalum capacitors remain popular across various applications.

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