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Sergik
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- Kudos22
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requires polishing
requires polishing. not a flat plane. contact patch is much smaller than the star
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rtype11
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- Kudos101
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I just started with DIY flashlights, but not with electronics - I don't mean to inflame but if you cover the base with thermal paste it shouldn't matter unless the base interferes with the fit? I have bought several emitters and also notice the radius at the the edges you mentioned, this allows me to cram more paste under the star and transfer more heat to the host
Make it idiot proof and someone will make a better idiot
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Hrawk
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A direct metal-to-metal contact will always be better than metal-paste-metal for thermal transfer.
When using thermal paste, less is definitely more. You want as much metal to metal contact as you can get and the paste is only to fill in those small scratches and imperfections in the surface.
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Sergik
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+1
details
I use it for KING.
3*XM-L@9A
maximum current. maximum heating.
thermal compound should be as little as possible.
if you do not use it at high current, no matter what the quality of the base
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rtype11
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thanks i just don't see that much contact area between the pill and the emitter base happening unless i machine both surfaces dead flat - yes i agree the emitter base isnt very flat, but neither are the pills i am buying. i am using MCpcb's now and have silver solder the base to the pill, i think this will give me the best heat transfer. your input?
Edited on 3/11/2014 at 10:11 AM. Reason: Make it idiot proof and someone will make a better idiot
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Sergik
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I think so too. But this is not about this aluminum star.
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