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Originally Posted by Les
Not sure of overall "C/W" values.
Have a feeling that they are a little high....
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They seem to be quite a close match to mine. Using my Lumiere number adjusted to 196mm^2, ((0.0515x 144mm^2)/196mm^2) and Waterloo to calculate spreading resistance in two sections (14.001x14.001x1.575mm with a 14x14mm heatsource [almost purely 1d] and 32x32x2.515mm with a 14x14mm heatsource, with h=very high number (infinity because there is no interface) and k=392, I get this:
We might even be seeing the difference between the 6000 and the 6002.