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Aavid Thermalloy Theragrip is a double sided tape for ceramic or metal heatsink packages. Theragrip provides both good thermal performance and excellent electrical isolation.
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This is the first Sparkfun product that did not work for me. It did not have much sticky. Maybe its too old?
I use screws and heatsink grease instead. It was a pain.
I used four squares of this to stick a 4"x4" square of aluminum flashing to my Makerbot's heated build platform.
Works marvellously (surface temperature greater than 90C) and I don't have to worry about the extruder nozzle bumping into bolt heads anymore!
Alright, so how much better is this than double sided Scotch tape? $4 for that tiny square makes me cringe.
Regular Scotch tape: ~1.5psi adhesion
Thermoalloy: ~50psi adhesion
Scotch tape: no data found as I don't believe it is designed for heat conductive situations
Thermoalloy: Thermal Impedance of 0.58 ?C/W
This stuff works great. I was able to cut one of the squares into 4 pieces and use them for some MosFETs that I mounted on a large heat sink for a SMPS.
The only downside is that if you burn something up and need to replace it, things get really messy.
I assume you can't use heatsink compound with this. I guess it's good if you need electrical isolation that badly... but for normal use, I would just use the good old bolt technique.
This is good for when you can't bolt things together because you need isolation. Or when mounting is a bit more of a pain, or when you are using a non-standard heatsink (such as a metal plate, etc).
Or adding a tiny heat sink to a surface mount transistor when the manufacturer didn't provide enough ground plane for proper heat dissipation.
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