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Jan 14, 2019 at 8:00 comment added user97662 This explains the why but doesn't explain the how. How were these temperature values chosen? I mean, why not 90C or 130C, or 91C or 131C?or 80C or 120C? Why 85C and 125C? How did this particular temperature range become the industrial standard?
May 30, 2016 at 17:13 comment added lnafziger Adding to the missile example, we need to consider cold temperatures at high altitudes too.
May 30, 2016 at 14:01 comment added Ian Bland Back in the 90s I had a Psion personal organiser destroyed by sunlight just sitting on an (inside) window ledge on a sunny day.
May 29, 2016 at 11:19 comment added MSalters I know from personal experience that at least one car maker specified that the electronics should not fail up to 85 °C in-car temperature. and recover when the temperature falls below 80. That's right up to the industrial range.
May 29, 2016 at 7:40 comment added coteyr I can add to this by saying (admitting) to several times frying a peace of non-trivial electronics by leaving it on or out while in a car in FL. Many CD players, laptops, MP3 players, etc., all ruined because a normal car, in direct sunlight, with the windows up on a summer day would exceed normal temperature ranges. Now replace car with tank, and hot FL summer with Hot Iraq Summer.....
May 28, 2016 at 15:43 vote accept ElectronS
May 28, 2016 at 12:24 history answered Olin Lathrop CC BY-SA 3.0