GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
An aluminum electrolytic capacitor has two aluminum foils and a paper spacer soaked in electrolyte. This stack is rolled up to conserve space, fitted with connectors and placed in an aluminum can. In this photograph the can is removed (left) and the stack is partially unrolled to show the internal construction (right). Photo 1 of 2. Photo 2 shows this capacitor before the disassembly.
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