Heatsink isolation hardware

May 30, 2005 3 Replies
B

Hi,



I seem to be having trouble finding heatsink isolation hardware for TO-220 mounting. I would think this is pretty common so I must just not be using the right keywords in Google.



I'm working on a few h-bridge variations and the MOSFET tabs connect to 'drain' and so need to be isolated in order to share a common heat sink. I've found material to go in between the tab and the heatsink, but what about the front side of the tab and the tab hole inner sides to isolate the mounting screw?



Thanks,



-Brian


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B

Hi, Try: TO220 Mounting Kit I got a number of hits on Google from that.

Bob

Brian Dean wrote:

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B

Excellent - I found them at Jameco, one of my favorite haunts. Thanks!

-Brian

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M

Shoulder washer or shoulder bushing.

Mitch

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