Re: RE: RE:heatsink flexing

Rick,

I think you're right on re: this ain't no Apollo...

The standard methods have worked well for many years. We just have
such a diversity on this list that some don't know What the "standard
methods" are! That's why we're all here. As I said, we're ALL newbies
in something.

Be careful when "potting". It can change the thermal characteristics
of a device or circuit in strange and wun'rful ways! :-)

Ballendo

>Howdy! At the risk of coming in from left field, how about mounting
>the heatsink solidly, bolt the TO-220 to it<snip>

...And solder the leads to the board.

>An alternative would be to assemble the module and "pot" it with
>casting resin, leaving some/most of the heatsink bare. A real bear
>to repair,but it fixes the vibration problem. <G>

>But lest we lose sight of the goal, remeber... "This ain't an
>Apollo mission."
>Rick Dulas