Tweakers' Asylum

Depends on requirements (space, etc)

67.150.254.87

In Reply to: RE: need specific source posted by Jon L on June 09, 2008 at 12:22:07

There are a few varieties of copper sinks made for cooling D-PAK smd packages that will work for 8-pin dips. They are normally soldered to the pcb to sink temp from the smd package through board copper, but can be used inverted and glued to top of small dip packages. Depends on how the packages are spaced on your board. Digi-Key link below for one type. You can also just make a u-shaped heatsink out of flat copper stock, but won't be quite as effective. If soft, it will make for nice mass loading though. My only point was that brittle extruded and/or stamped aluminum sinks do tend to color the sound somewhat, ime. Maybe not enough to matter, but temporarily make it removable by attaching with silicone grease and listen with and without, while avoiding overheating of course :-)

http://parts.digikey.com/1/parts/988312-heatsink-d-pak-4-high-smd-573300d00010.html (Open in New Window)

Edits: 06/10/08

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