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High Temperature Tantalum-MnO2 Capacitors: >200ºC
Keywords: Temperature, Capacitor, technology
For years, the Tantalum SMT MnO2 Capacitor, in its solid-state structure, was typically rated with a maximum temperature rating of 125ºC. The introduction of advanced technology, some time ago, allowed increasing the working temperature to 150ºC, 175ºC and 200ºC respectively. Now, with the introduction of more advanced materials, such as carbon and silver, and the implementation of state of the art processes such as Nickel platting, optimizing chemical impurity (F-Tech) and a non-destructive testing technique (SBDS), the temperature range capability of Tantalum SMT MnO2 Capacitor can be extended to more than 200ºC. This presentation will provide the current results obtained during the qualification process of T501 series (>200ºC), parametric and statistical data are shown for each tests performed. A discussion of the advantages related to the use of these new technologies is included. The path forward to get a final qualification for this product is also discussed in this document. Potential application areas for this new series are explored in the latter stages of this presentation.
Humberto Jasso, Customer Quality Engineering and Technical Product Manager
Kemet Electronics
Cd. Victoria, Tamaulipas

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