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Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I'm not having any luck with this. I'd like to find a small enclosure (maybe 3" x 4" x 2") that has a finned heat sink on one side. I could make one, but would like to know if anyone has seen something like this in off-the-shelf (non custom).
I have seen finned U-shaped aluminum extrusions which incorporate slides for a PCB. To make it into a box, you just have to attach end plates, and a cover for one side. Power semiconductors are mounted to a flat area on the finned side.
I've used a metal box as a heat sink before and it worked quite well.
It was for an LM317 power supply. I soldered the tab to a piece of copper bus bar and mounted it to the aluminium case using insulating washers and screws. I used a thin piece of insulation tape to insulate the bus bar from the case.
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