Semiconductor burn in boards run up to 150 deg with operating devices in them.
Im not sure what material they use but its some type of FR4 material. You could
try a search of burnin board manufacturers, maybe Golden Altos or Liberty Labs
and see what they use.  Back in the old AWA/Quality days devices used to undergo
accelarated burnin at 150 deg and 100's of hours and not fail production
testing.


BR Clive







"Michael Biggs" <[EMAIL PROTECTED]> on 07/18/2002 06:17:57 AM

Please respond to "Protel EDA Forum" <[EMAIL PROTECTED]>

To:   "'Protel EDA Forum'" <[EMAIL PROTECTED]>
cc:    (bcc: Clive Broome/sdc)

Subject:  [PEDA] 90 degree C?



Hi all,
     Anyone run very hot traces @ like 90 degree C on there PWBs and or
use surface mount heat sink around the component( like a D-PAK)?
Thanks for any response.
I know this is a Protel questions group but everyone seem knowledgeable in
design layout.

Sincerely,
Michael Biggs


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