Redily available aluminum "heat sink" for LEDs - The Planted Tank Forum
 
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post #1 of 11 (permalink) Old 02-17-2011, 12:09 AM Thread Starter
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Redily available aluminum "heat sink" for LEDs

I went looking for my long 4 foot ruler to cut something and discovered a readily available heat sink for LED emitters.
It's a 48 in. Aluminum Straight-Edge Rule. Home Depot lists them at $8.86
2 inches wide and 1/8 inch thick. Not optimal for high density installations, but perfect for testing at less than full current.
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post #2 of 11 (permalink) Old 02-17-2011, 12:23 AM
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Home De Pot also has aluminum angle rails ??? i think they have a real name... over at end of isle where hinges and such are.

Roger got his there when he put that LED together for me on Xmas

For the runners and mounts for the alluminumfrom the eaves trough area at home depot .

Check er out Don


Ps. Hope you and yours are well, Don :>)


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post #3 of 11 (permalink) Old 02-17-2011, 01:11 AM
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As long as the drive current is under 600mA (give or take) then this would work OK.


They do have, often, angled aluminum that's 1/8 to 1/4" thick at Lowes as well. Not quite as cheap though.
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post #4 of 11 (permalink) Old 02-17-2011, 01:53 AM
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Originally Posted by redfishsc View Post
As long as the drive current is under 600mA (give or take) then this would work OK.


They do have, often, angled aluminum that's 1/8 to 1/4" thick at Lowes as well. Not quite as cheap though.
about $5 at home depot...depending on length


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post #5 of 11 (permalink) Old 02-17-2011, 02:09 AM
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$5 is good . Every time I go, it's empty, but I'm sitting in heatsink galore at the moment. I found some nice 1/8" thick square tubing (1.5" wide) that will work nicely for an upcoming build.
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post #6 of 11 (permalink) Old 02-17-2011, 10:20 AM
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Try Ace Hardware too. Around here at least, they carry plenty of aluminum stock and are good about not letting things run out.
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post #7 of 11 (permalink) Old 02-17-2011, 01:56 PM
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post #8 of 11 (permalink) Old 02-20-2011, 11:56 PM
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Check your local scrapyards. I work at a scrapyard and we have tons of that stuff. It sells at our yard for $ 1.50 per pound.
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post #9 of 11 (permalink) Old 02-21-2011, 10:13 PM Thread Starter
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Quote:
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Check your local scrapyards. I work at a scrapyard and we have tons of that stuff. It sells at our yard for $ 1.50 per pound.
I know how you can make some pocket money. Particularly if you have access to a chop saw.
post #10 of 11 (permalink) Old 03-12-2011, 03:36 AM
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I know how you can make some pocket money. Particularly if you have access to a chop saw.
Sorry I lost track of this thread. If you're in a pinch for some of this, let me know, and I'll see what I can do. Shouldn't be a problem.
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post #11 of 11 (permalink) Old 03-30-2011, 11:17 AM
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Sign and awning shops are another good source. I'm pretty sure if you asked nicely they'd give you whatever you wanted for free if you didn't get too carried away.
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