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Unread 06-22-2004, 07:08 AM   #21
Les
Cooling Savant
 
Join Date: Oct 2001
Location: Wigan UK
Posts: 929
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Quote:
Originally Posted by Les
A DeltaT of ~3c seems a liitle low for a 0.8x10x10mm slice of Si
My simple "DeltaT= Resistance x Flux" puts it at ~ 5.4c.

My play with Waterloo predicts a "Die Underside" of ~ 330.4k
(As always, with my beermat calcs, subject to checking)

Edit: All sums done using your parameters
Revised to : 326.6K
Double counted C/W(wb bp +TIMb + I/h(eff bp))

Does not effect the no IHS sums and prediction remains at ~ 322.5k

Oh woe. Wish had kept out of this.
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