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Dumb capacitor question
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MyHeadHz:
I know that 1 farad (F) is quite a lot of capacitance.  So, 1 F capacitors, like the one below, are big.



Why do I see so many capacitors that have such high values (sometimes hundreds of Farads) that are so small? (like this one)

I must be missing something very basic and obvious here...
agehall:
Correct me if I'm wrong (and I probably am!) but isn't that due to different construction and different constraints.

The first one you show is a huge cap for use in 12V systems while the other one is limited to 5.5V. That makes a big difference...
ggchab:
The small one may also have a high ESR that limits discharge current and would be totally useless in the case of a car audio system.
BravoV:
Also ... some of those car audio bling-bling cap are just fakes, they put much-much lower capacitance capacitor in there and put into bling container to impress.  :P
MyHeadHz:
hmm.  I found this article and now I'm even more confused.  Are *all* of the car audio capacitors gimmicks? :o
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