 Heatsink as a "wire" for + DC bus
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Mates
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Registered Member #1025
Joined: Sun Sept 23 2007, 07:53PM
Location: Czech Rep.
Posts: 566
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Since most of my devices are single switch I always use the heatsink as a "wire" and I'm including the silicon greese without any problems. I can only recommend this approach...
BTW: Very good idea with the mercury! I know that Hg does not belong to the most toxic stuff we have in the lab. I wouldn't be affraid of it so much. To avoid any leakage of the vapour you can always cover the sides of the transitor by some kind of oil based paste or sillicon...
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Nik
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Registered Member #53
Joined: Thu Feb 09 2006, 04:31AM
Location: Ontario, Canada
Posts: 638
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If you can find a heat past (thermal grease) that is conductive then go ahead a try it but as the owner of a 1lb jar of mercury I have to say don't even think about it. As a liquid it might not hurt you but it is constantly turning to a vapor at room temp and when heated it turns to a vapor even faster.
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