Hi Lawrence. >From what I remember ... Commercial : 0*C to +70*C Industrial : -40*C to +85*C Automotive : -40*C to +125*C Military : -55*C to +150*C WBR Dmitry. Lawrence Lile wrote: >=20 > I know that microprocessors are rated in industrial or automotive tempe= rature ranges. Automotive, according to MCHIP is -40C to 85C. However, = I have reason to suspect that the ranges of temperatures seen under the h= ood of a car might be different. If one were testing an electronic circu= it to go under the hood, what temperature ranges would be recommended? >=20 >=20 >=20 >=20 >=20 > Now, just have to get to work on that environmental chamber=85.. >=20 >=20 >=20 > -- Lawrence Lile, P.E. >=20 > Electrical and Electronic Solutions >=20 > Project Solutions Companies >=20 > HYPERLINK "http://www.projsolco.com"www.projsolco.com >=20 >=20 >=20 > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.762 / Virus Database: 510 - Release Date: 9/13/2004 >=20 > _______________________________________________ > http://www.piclist.com > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist _______________________________________________ http://www.piclist.com View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist