In article <
k4uqjr+3jm9@...>,
Shawn <
smilingcat@...> wrote:
> If you are concerned about thermal dissipation, use solid copper
> instead. It has better thermal conductivity than aluminum and you can
> solder to boot. But beware you are going to have to use high powered
> soldering iron to get it hot enough to solder onto it. you wanted a big
> heat sink. So soldering is going to be very hard. If you want to safely
> dissipate 300W, just as an example, you are going to need something with
> over 300W for your soldering iron.
Seems to me you would solder to a smaller copper slug and then bolt that
to a larger heatsink in the normal way.
--
Stuart Winsor
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