Paul & Al, thanks for the recommendations,
DigiKey part number 473-1121-ND - GREASE CARBON ELEC CONDUCT 2.8OZ is my
current choice, because it says it's conductive, and I can order it today.
I believe that "LOCTITE Silverstrate" is the electrically conductive
phase change material that most closely matches my need, but the henkel
website just says
"contact customer service for ordering information"
http://www.henkel-adhesives.com/product-search-1554.htm?nodeid=8799553814529
And digikey and mouser didn't have any "silverstrate" in stock. Can you
recommend a source where I can order a small quantity? I get the
impression this might be something used by larger assembly houses and
difficult for a hobbyist to source. (at least, in $25 quantities...)
Jay
On 02/26/2017 08:24 PM, Al Lumas via EV wrote:
Henkel - LocTite phase change materials are better than grease.
<http://www.henkel-adhesives.com/thermal-management-materials-45894.htm>
At 10:01 AM 2/26/2017, paul dove via EV wrote:
http://www.digikey.com/catalog/en/partgroup/thermal-grease-and-compounds/1206
Sent from my iPhone
> On Feb 25, 2017, at 9:29 PM, Jay Summet via EV <ev@lists.evdl.org>
wrote:
>
> I'm working on replacing the diodes and MOSFETS in a Curtis 1231c,
and need an electrically and thermally conductive heat transfer
compound to put between the MOSFET's/Diodes and the heatsync they
attach to.
>
> They are mechanically attached with screws, so I think a grease
would be fine and I don't need an adhesive.
>
> It's an aluminum heatsync if that matters.
>
> Suggestions I could source from digikey preferred.
>
> Also, I need to mechanically stabalize my capacitors. I'm thinking
of using a high temp silicon, as what was on the pre-existing
capacitors looks a lot like cured silicon, but if you have any
suggestions for stabilization/potting I'm interested in hearing options.
>
> Thanks,
> Jay
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