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Message from discussion 0805 size high power resistors, 250mW ok on FR-4?
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Joerg  
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 More options Jul 24, 5:18 am
Newsgroups: sci.electronics.design
From: Joerg <notthisjoerg...@removethispacbell.net>
Date: Wed, 23 Jul 2008 14:18:34 -0700
Local: Thurs, Jul 24 2008 5:18 am
Subject: Re: 0805 size high power resistors, 250mW ok on FR-4?

John Larkin wrote:

[ FLIR camera ]

> It's also cool for troubleshooting. Suppose a power rail is collapsed.
> You can often image the board and find the part that's hogging the
> power. Or add another power supply, force a few amps, and image the
> traces.

I just donated it to a client but in the days when that still happened a
lot I used a >10A power supply for that. Crank it up ... *WHADDABAM* ...
aha, t'was that high-faluting PWM driver again. Only with eye
protection, of course. Sometimes all it takes is a D-cell.

[...]

--
Regards, Joerg

http://www.analogconsultants.com/

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