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From: Kevin McMurtrie
Subject: Re: Pelitier Device? (cooling an IC)
User-Agent: MT-NewsWatcher/3.2 (PPC Mac OS X)
Date: Fri, 20 Dec 2002 07:49:52 GMT
NNTP-Posting-Date: Thu, 19 Dec 2002 23:49:52 PST
In article <firstname.lastname@example.org>,
email@example.com (Rileyesi) wrote:
>I am looking for information on a device that uses electricty to cool an IC.
>The device is called a Pelitier junction, if memory serves. I've tried various
>spellings on a google.com search without finding any specific technical
>information. Maybe my spelling is THAT bad! (Wouldn't be the first
>time...won't be the last!)
>I need to find out if they work in a hot environment. I have an application
>where a microcontroller will need to operate in a 150 degree C environment. I
>need to find out if a Pelitier device will cool below ambient (which I doubt).
>If not, I think I need to put the micro into an enclosure and add cooling.
>Shy of these, any other ideas???
>Any leads/tips/help would be appreciated.
They work at any temperature as long as you don't melt the solder in
them. They might not cool as much as you'd like, though. Their pumping
power is a linear function that's something like 50W at 0C difference
and 0W at 60C difference, all while consuming 50W. They make much
better heaters :)
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