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TPSV227K016R0100 Application Field and Working Principle

Tantalum capacitors are used in electronic circuits for many practical purposes and each type has specific application areas for which it is the most suitable choice. Among them the TPSV227K016R0100 tantalum capacitor stands out as it is used in applications where the ultimate electrical performance is of utmost importance and size limitations are not a significant factor.

What is TPSV227K016R0100?

TPSV227K016R0100 from Vishay Intertechnology is a tantalum capacitor which features a solid manganese dioxide anode, a solid electrolyte, and a electrical double layered brushed anode construction. The main advantage of such constructions is the larger size and almost unlimited elimination of the failure rate growth related to the higher temperatures and higher voltage with respect to the conventional radial leaded tantalum capacitors.

Application Fields

TPSV227K016R0100 is applicable in a wide range of temperature and power delivery applications, while also operating up to a 20MHz frequency. As such, it is suitable for applications where high frequency ripple currents have to be handled, such as high power buck converters, AC/DC power supplies, and lighting control systems.

This part has a higher voltage shipping option up to a maximum of 65V and a wide capacitance range of 1μF to 2400μF, providing system designers more reliable, accurate and robust performance at different power levels. It is also the ideal choice for automotive applications, where reliability and high temperature performance is crucial.

Working Principle

The operation of the TPSV227K016R0100 is based on the capacitance of the two metallic layers that form the device, with one of the layers made from tantalum. The device works in a similar way as a traditional capacitor, in which a voltage applied to the leads causes an electric field to form between the two layers and a current flows to charge the capacitor.

The capacitance of the TPSV227K016R0100 is determined by the construction, with the total capacitance being a function of the area of the two layers and the distance between them, which is equal to the thickness of the non-conductive tantalum dioxide layer. The dielectric material that separates the electrodes also ensures that the capacitor has low leakage current and low equivalent series resistance (ESR).

Effects of Temperature

The temperature behavior of the TPSV227K016R0100 is an important factor when considering the use of the component in automotive and aerospace applications, as well as in other applications which require reliable operation in extreme temperature conditions. The capacitance of the part is relatively unaffected by temperature variations and its ESR is optimum at the rated temperature.

The TPSV227K016R0100 also has a low self-heating so it can be used safely in high-power and high-temperature applications. Its temperatures behavior also means that it can operate reliably in high temperature applications, such as under the hood of an automobile, as well as in applications exposed to a wide range of ambient temperatures.

Conclusion

The TPSV227K016R0100 from Vishay Intertechnology is a reliable and robust capacitor designed for the most demanding applications in the automotive, medical, and military/aerospace markets. Its high-capacitance storage capabilities, wide temperature operating range, and high voltage resistance make it an ideal choice when high accuracy and reliability are required. It is also capable of handling high frequency ripple currents and can operate over a wide range of temperatures with low self-heating.

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