I would look at the junction temperature as the limiting factor if push
comes to shove. The operating temperature is more of a rule of thumb. The
130degC really only refers to the board material itself anyway.

> -----Original Message-----
> From: Dwight Harm [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, 18 July 2002 5:22 PM
> To: Protel EDA Forum
> Subject: Re: [PEDA] 90 degree C?
>
>
> Most of the ICs we use are only rated to 85 deg. C operating
> range.  I'd
> hate to troubleshoot a board running 130degC components.
>
> > -----Original Message-----
> > From: Danny Bishop
> > Sent: Wednesday, July 17, 2002 6:21 PM
> > hi
> >
> > Basically FR4 should run up to 130degC, and your
> semiconductor can most
> > likely handle this temperature (but need to assess the
> reliability based
> on
> > the manufacturers rating and your derating req's).
> <snip>
>
>
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