Inner gas pressure measurement based life-span estimation of electrolytic capacitors

As the wide scale usage of aluminum electrolytic capacitors it is very important to be familiar with them. The research and development of new and long sight better capacitors is very essential for circuit designers and costumers in general hence this is a very important issue to deal with. In the presented paper a summarize of the buildup and the useful life of the capacitors and a special procedure for the life-span analysis will be shown. The presentation is also deals with the related part of the electrolytic capacitor measurement system (ECMS) implemented in the aluminum electrolytic capacitor development laboratory of EPCOS electronic parts and components, Hungary. The results show, thanks to the introduction of the mentioned system, the efficiency of special measurements like the analysis of the useful life of aluminum electrolytic capacitors have been increased considerably.