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BrianG
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Join Date: Nov 2005
Location: Des Moines, IA
09.04.2007, 05:19 PM

Quote:
Originally Posted by suicideneil View Post
No need to remove any wires, so you're safe there. I believe the aluminum you need is either 1/8" or 1/4" thick (can never remember, BrianG where are you?), and is stuck down onto the fets with Arctic Alumna thermal epoxy, and then thermal grease is applied to the top of it so that it makes good contact with the inside of the esc case. The middle heat spreader is more fiddly so is best left alone.
Lol, I'm here. Yeah, it's 1/8" thick. The stock is less than that, but you lose thickness when you remove the pads. Here is a pic:



And yes, use thermal epoxy on to secure the heat spreader to the FETs and to the case. Otherwise, movement of the PCB when running will reduce the effectiveness of regular thermal compound. And make sure to use Arctic Alumina thermal epoxy because the regular AS epoxy has silver particles in it.
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