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I have old electronic devices from 1990 saved What is your recommendation for the storage period without the electrolytic capacitors failing due to disuse? I asked manufacturers and they didn't answer or they were confused
depends on the quality of the caps, but generally 15-20 years without use seems to be the average... storage temperature and humidity also have a role to play.. i used to work in a TV shop that had a cool basement with about 50-60% humidity and very old electrolytics stored there had much better shelf life there in the basement....
one person referred to using the electronic devices of 1990 every month for 1 hour, otherwise the electrolytic capacitors of this device will depolarize, dry and lose capacitance, is this true? I do not mean shelf electrolytic capacitors but electrolytic capacitors from electronic devices since 1990