Bridegelux EB cooling? And where to buy aluminum for heatsinks

TrappinInNature

TrappinInNature

Active Member
Hey guys im wondering about the type of cooling needed for 560mm Bridgelux EB strips at 19.5v 700ma.

I've heard from some that they require no cooling, but i would rather stay on the safe side, so what type of cooling options can be had for cheap for these strips?

And remember.... Cheap. Thanks
 
Airwalker16

Airwalker16

Well-Known Member
TrappinInNature said:
Hey guys im wondering about the type of cooling needed for 560mm Bridgelux EB strips at 19.5v 700ma.

I've heard from some that they require no cooling, but i would rather stay on the safe side, so what type of cooling options can be had for cheap for these strips?

And remember.... Cheap. Thanks
Click to expand...
1/8" thick aluminum U Channeling. Simple as that. LEDGardener States that those strips were misrepresented and can actually handle a whopping 2400MA
 
GBAUTO

GBAUTO

Well-Known Member
I don't think that they need any thermal sinking, just some structural support. I used simple .125" aluminum strips sourced from a local welding supply.
 
TrappinInNature

TrappinInNature

Active Member
Airwalker16 said:
Yeah if it's one solid piece the strips are all mounted too like an HLG550. Otherwise use U Channel or at least Angle Aluminum.
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Chip Green said:
Roll flashing works fine, but seriously at 700ma, you can run em naked....
Been doing it for over two years with Gen1 EB 560 mm.
Click to expand...
GBAUTO said:
I don't think that they need any thermal sinking, just some structural support. I used simple .125" aluminum strips sourced from a local welding supply.
Click to expand...
Alright Thanks you guys, i think im gonna try doing Qb style. Now just to figure out where to get that sheet metal...
 
whytewidow

whytewidow

Well-Known Member
Airwalker16 said:
1/8" thick aluminum U Channeling. Simple as that. LEDGardener States that those strips were misrepresented and can actually handle a whopping 2400MA
Click to expand...
The 280mm can handle 2400mA I just bought 12 of them for a veg tent with (4) 275mm Lm301b 40 diode strips. Debating on how to run them with which driver. I'm thinking the best route well two options. HLG-185H-700A wired in series. Run them at 20.5vdc@700mA or HLG-185-30A and wire them in 6 groups of two in Series parallel. Or a number of different ways. But the 4 Lm301b strips are 24v so I gotta use two drivers. One for the EBs and one for the lm301b strips. Can you post a link for the 2400mA. I knew they were way underrated but I didnt think that much. 75%, roughly is alot to derate something. And not normal.

Edit theres so many different way you can wire them up. Multiple driver selections. The ledgardner strip tool has the gen 1s so you cant use it for driver selection.
 
Airwalker16

Airwalker16

Well-Known Member
whytewidow said:
The 280mm can handle 2400mA I just bought 12 of them for a veg tent with (4) 275mm Lm301b 40 diode strips. Debating on how to run them with which driver. I'm thinking the best route well two options. HLG-185H-700A wired in series. Run them at 20.5vdc@700mA or HLG-185-30A and wire them in 6 groups of two in Series parallel. Or a number of different ways. But the 4 Lm301b strips are 24v so I gotta use two drivers. One for the EBs and one for the lm301b strips. Can you post a link for the 2400mA. I knew they were way underrated but I didnt think that much. 75%, roughly is alot to derate something. And not normal.

Edit theres so many different way you can wire them up. Multiple driver selections. The ledgardner strip tool has the gen 1s so you cant use it for driver selection.
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He said the 1' rated at 700MA could actually do 1200ma. Not 2400 though.
......^edit^
It's down towards the bottom of the page right after "Conclusion".

http://ledgardener.com/diy-led-strip-build-designs-samsung-bridgelux/#more-2416

So don't be going and throwin 2400MA of current on your 1footers. Or are they double row so they can handle it? Cause I didn't think they made them.
 
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klx

klx

Well-Known Member
Chip Green said:
Roll flashing works fine, but seriously at 700ma, you can run em naked....
Been doing it for over two years with Gen1 EB 560 mm.
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I have a bunch of steel track and stud laying around. I know steel sucks as a heatsink but do you think I would be able to use it to sink Gen1 EB 560 mm strips run at 1050mmA?
 
Chip Green

Chip Green

Well-Known Member
Well, probably... My.Gen1 560s stay under 60C at 1050ma completely bare, so I suppose even steel would draw some heat away from the diodes...I'd guess as long as it increases the surface area couldn't possibly make it worse...
 
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Airwalker16

Airwalker16

Well-Known Member
klx said:
I have a bunch of steel track and stud laying around. I know steel sucks as a heatsink but do you think I would be able to use it to sink Gen1 EB 560 mm strips run at 1050mmA?
Click to expand...
Just use a shit load of thermal grease. ;)
 
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Airwalker16

Airwalker16

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klx said:
I have a bunch of steel track and stud laying around. I know steel sucks as a heatsink but do you think I would be able to use it to sink Gen1 EB 560 mm strips run at 1050mmA?
Click to expand...
Honestly if he says he's ran them bare for a long tine with no issues, use whatever you want or just scrap the idea all together.
 
whytewidow

whytewidow

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