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- From: frank@rover.uchicago.edu (Frank - Hardware Hacker - Borger)
- Subject: Re: Solder melting point (was Re: How hot can the 486-50 cpu run ?)
- Message-ID: <19AUG199215515844@rover.uchicago.edu>
- News-Software: VAX/VMS VNEWS 1.41
- Sender: news@uchinews.uchicago.edu (News System)
- Reply-To: frank@rover.uchicago.edu
- Organization: Joint Center for Radiation Therapy
- References: <1992Aug13.022914.1563@ariel.ec.usf.edu> <17AUG92.09220477@wl.aecl.ca> <THEN.92Aug19211705@vipunen.hut.fi>
- Date: Wed, 19 Aug 1992 21:51:00 GMT
- Lines: 18
-
- In article <THEN.92Aug19211705@vipunen.hut.fi>, then@vipunen.hut.fi (Tomi H Engdahl) writes...
- >In article <1992Aug18.151205.2809787@locus.com> dana@locus.com (Dana H. Myers) writes:
-
- >>I can imagine the 486-50 running at 100-120 C, but not 400 C, even briefly.
- >
- >I think that over 200C is too high for silicon chips.
- >
- Remember that because of thermodynamics, the junction temperature, (where
- the heat is generated,) must be hotter than the pins or the heat sink,
- (where the heat is dissapated.) Typically you want the junction to be
- at 100deg or less for reliable operation.
-
-
- Frank R. Borger - Physicist __ Internet: Frank@rover.uchicago.edu
- Michael Reese - Univ. of Chicago |___ Phone : 312-791-8075 fax : 567-7455
- Center for Radiation Therapy | |_) _
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