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Axial Lead Electrolytic Capacitors. Here we have 10 Pieces.
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eBay
The electrolytics appearing on the surplus market have often been in storage for a very long period indeed. The circuit shown in the sketch above works reasonably well. Anything from 20K-50K will do, as this is far from a precision process.
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eBay
1.5UF 100V FILM CAPACITOR. 10 X 2222.368.25155. 10 X CAPACITORS PER SALE.
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