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Old 06-24-2009, 02:07 AM   #1803 (permalink)
MPaulHolmes
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Join Date: Feb 2008
Location: Maricopa, AZ (sort of. Actually outside of town)
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Michael's Electric Beetle - '71 Volkswagen Superbeetle 500000
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They are 4uF 250v (tiny, huh! But they look huge!). Their esr is very small, and they are excellent at absorbing voltage spikes. I don't know why they increase the ripple current so much. Maybe because they smooth out the spikes, it makes it easier on the aluminum electrolytic caps. Here's a picture of 4 of them:
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