[time-nuts] Low noise power supplies - dont' use Electrolytics

[ed breya]

Off topic: Actually, you can make almost anything withstand almost 
any conditions TEMPORARILY - it depends on the packaging too. If you 
wrap a circuit that can work at 100 deg C in a water jacket wrapped 
in high temperature insulation, you can keep it going until most of 
the water has boiled away. That's how those so-called fire safes can 
protect papers against fire for a certain amount of time - the 
insulation is hydrated gypsum, which insulates and provides cooling water.

On topic: You can use whatever capacitors make sense for the 
application, but you know that the hotter they need to run, the less 
life is to be expected.

Ed

On Sat, Nov 26, 2011 at 2:13 AM, gary 
<<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts>lists at 
lazygranch.com> wrote:
 > At sane temperatures, OSCONs are very good. Who runs their gear hot enough
 > to boil water?

Sat Nov 26 12:53:13 UTC 2011  Bob Paddock bob.paddock at gmail.com  wrote:

National Fire Protection Agency (NFPA) 2007 edition of their design
regulations state the electronics worn by Fire Fighters must work at
500'F for five minutes.
In the Paper Pusher's mind the Kevlar clothing can withstand those
temperatures, therefor anything else in the Universe can too.
Never under estimate the bureaucratic mind...