Dear Peter,
Peter Vince wrote:
...5-6 W is significantly lower than 12-13 W and should allow for simpler
solutions.
Thanks Magnus. If saving 7 watts is important, then OK, but I am more
concerned about the significantly lower MTBF quoted on page 4 of the
manual (the ninth page in the PDF file):
Amb. Temp: 20°C 25°C 30°C 40°C 50°C 60°C
MTBF (hrs) 381,000 351,000 320,000 253,000 189,000 134,000
Well, the junction temperature of the heaters will lower as they burn
less temperature. But the LPRO design is such that the physical package
is very tightly connected to the electronics board. Separation of them
would allow better temperature of those while the physical package would
see about the same temperature regardless. But anyway, the point of the
excersize was to show just how much cooling needs could be reduced if an
external oven is applied.
Cheers,
Magnus
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