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Quality Thermal Grease
Quality Thermal Grease
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Old 6th June 2010, 11:12 AM   #1
DreadPirate is offline DreadPirate  United States
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Default Quality Thermal Grease

I've been using the generic RS silicon thermal grease, but can't help thinking the pros use some magical, name brand stuff? Is there a widely accepted high quality thermal grease out there I should know about?
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Old 6th June 2010, 05:19 PM   #2
Conrad Hoffman is offline Conrad Hoffman  United States
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IMO, they're very similar. Dow 340, RS and the Thermalloy grease I've used perform similarly. What's vastly more important is having flat surfaces that mate with near zero clearance. You want the heat transferring through as thin a layer of grease as possible. The best insulators I've used are heavy anodized aluminum but they can be a bit risky. Thin mica is next, followed by ceramics. Then there are the various thermally conductive pads, with the data carefully presented to prevent a realistic comparison between the different types, much less anything else. For non-critical things I prefer the less messy pads. If I need every degree, grease is the way.

I may be barking up the wrong tree, but at least I'm barking!
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Old 6th June 2010, 05:55 PM   #3
star882 is offline star882  United States
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Arctic Silver is considered the best, but it really doesn't offer much improvement over regular compound.
"Fully on MOSFET = closed switch, Fully off MOSFET = open switch, Half on MOSFET = poor imitation of Tiffany Yep." - also applies to IGBTs!
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