Reverse Voltage Behavior of Solid Tantalum Capacitors TECHNICAL PAPER

PublishTime：2024-01-29

■Abstract: ▲This paper is intended to give the design engineer an understanding of the effects of reverse voltage operation on the chemical structure and life reliability of a tantalum capacitor. It also aims to show a circuit design engineer about predicting the life performance of a circuit where a tantalum capacitor is subjected to negative voltages. ■Introduction ▲Solid tantalum capacitors are polar devices, with an anode terminal and a cathode terminal. The voltage across these terminals should only be applied positive to anode, and negative to cathode, otherwise the capacitor will be damaged, leading to failure. ▲All tantalum capacitor manufacturers recommend that a continuous reverse voltage should never be placed across the capacitor terminals [1, 2, 3]. In almost all circuits, negative transients can occur during operation. There is also the possibility that the capacitor may be incorrectly inserted into a circuit or connected into a piece of equipment in such a way that a reverse voltage condition may exist. It is therefore important that the design engineer understands the possible consequences and failure mechanism, and methods of minimizing the risk of failure.

Brand of Product：	KYOCERA
Part#：
Product Category：	Solid Tantalum Capacitors、tantalum capacitor More
Application：	More
Data Type：	Technical Documentation More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
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Language：	English Chinese Chinese and English Japanese
Date of Creation：	2021/8/31
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Data Size：	493 KB

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