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Jeff Liebermann Jeff Liebermann is offline
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Default Why do some manufacturers wrap the electrolytic capacitor that gets the hottest in a switching power supply in shrink wrap?

On Wed, 31 Aug 2011 11:14:07 +1000, "Phil Allison"

"Jeff Liebermann"

Electrolytic caps do not normally get hot. There is a temperature
rise equal to the ripple current times the square of the ESR
(equivlent series resistance).

** Wanna try that again ??

Powah = Ripple Current squared times ESR.
Thanks (grumble)...

Pro audio is the same as consumer audio, except for the price tag and
the hype.

** Only true of most Chinese made stuff.

I didn't know that anything was made outside of China these days. If
the boards and boxes aren't built in China, the components probably
are made in China.

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