eyderbuddy
Well-Known Member
Thanks for input brother =]
Bridgelux EB Gen 2 Thermals
- Thread starter noodle-led
- Start date
Chip Green
Well-Known Member
The nominal test current of the 1120mm is still 700ma, running them at 1400ma would be the max....I doubt they would fail, but they would lose efficiency. Cant say for sure, I've never maxxed a naked one....
1120mm strips are basically 2x 560mm strips, in a series connection, on a single unit.
T-Time
Well-Known Member
eyderbuddy
Well-Known Member
I have a few lights using each kind of strip, i run them naked at these currents:
- 280mm at 10W or 550 ma
- 560mm at 20W or 1050 ma
- 1120mm at 40W or 1000 ma
T-Time
Well-Known Member
what temps ? for 1120mm You are getting ?
eyderbuddy
Well-Known Member
At 24C ambient, i'm getting 64C (measured right at the chips) after being on for 1 hour without any airflow. I just put it inside a closet turned it on and let it run for an hour.
Obviously the temperatures are much lower if there's airflow...
Planet Tomato
Member
I am not natively English speaking(European) and I can't figure out what aluminium flashing is, I am also building a 12(or 14) * EBgen2 520mm build driven by a HLG-320H-C1050B driver.
What is the difference between a plain aluminium sheet(2mm thick for example) and aluminium flashing?
My best guess is that aluminium flashing is some sort of standard size aluminium sheet for some particular usage whatever it might be.
What is the difference between a plain aluminium sheet(2mm thick for example) and aluminium flashing?
My best guess is that aluminium flashing is some sort of standard size aluminium sheet for some particular usage whatever it might be.
HydroFood
Active Member
How do you measure temps right on the diode?
Infrared thermometer?
If so, what efficacy?
Chip Green
Well-Known Member
That's the same really.... Very thin aluminum sheeting.
Chip Green
Well-Known Member
One thing definitely worth mentioning in this thread, is many of us who are using the EB series both Gen1 or Gen2 especially, I think we would all agree that Bridgelux has modestly UNDERRATED the performance of these emitters on paper.....
The thermal imaging shared here ought to be enough evidence to confirm that notion, IMO.
The thermal imaging shared here ought to be enough evidence to confirm that notion, IMO.
HydroFood
Active Member
You are absolutely right.
When I first read thru this thread while debating on Bridgelux or Sammy, I was amazed at all the data you’ve provided and proven.
These strips are the shizznit.
The flashing I just looked at is 0.25mm thick. It's used for roofing etc.
Chip Green
Well-Known Member
I have Sammy strip rigs too, they also kick serious arse…. The BXEB is the low current winner, capable of running without dedicated thermal management cost.... Photon for Photon vs $ for $, they are aren't much different, outside of thermal management costs, and actual PHYSICAL durability.... One really cant go wrong with either option, in smallish spaces!
Rattlehead121
Well-Known Member
Don’t buy U channel buy angle. It’s less then half the price. I got 1-1/4 aluminum angle for $1.66 a foot works goodnot sure where you are getting 5$ prices for 18ft u channels (perhaps lower width) but for me, 2 inch width u channels with 8ft length was 20-25$!!!!! multiply that by 20 and suddenly im pretty sad.
came into DIY to save money, slowly realizing the $ save is dwindling with each new expense
edit: just figured out what flashing meant, just a giant aluminum foil with more rigidity. How do you make sure the entire thing doesnt just start folding over? or do the strips/channels actually give it enough structure?
Attachments
eyderbuddy
Well-Known Member
Nope! I'm using a physical thermometer taped in between 2 diodes using kapton tape.
HydroFood
Active Member
Just a regular thermometer? Or a thermocouple?
And are you placing it on the tC point or literally just between diodes?
eyderbuddy
Well-Known Member
it's a Digital Thermometer with a metal pole that i taped with kapton literally right in between 2 diodes. Close to the tc point, but not right on it.
HydroFood
Active Member
Very interesting. Iv never heard of it being done that way.
Have you tested temp while driving them at max? 700/1400/1400
Also I wonder what the temp diff would be on the tC point that’s not far away.
Have you tested temp while driving them at max? 700/1400/1400
Also I wonder what the temp diff would be on the tC point that’s not far away.
Sandman81
Active Member
Quick question.
Forgive me if this in in the wrong thread (new to growing, and web forums)
I am looking at adding some more lighting to my 4 x 2 flower closet to supplement 250w @ the wall of Chinese warm white led.
(Roleadro 300wX2)
Planning on adding 2pcs x 1foot bx eb2 strips each side of my existing lights on outriggers (8 per light-16 total)
Just really looking for confirmation that my driver choice will work with my strip choice.
Not planning on any heat sinks and hopping I can run them at close to 350ma @19.5v in parallel with the listed components.
Cheers
Forgive me if this in in the wrong thread (new to growing, and web forums)
I am looking at adding some more lighting to my 4 x 2 flower closet to supplement 250w @ the wall of Chinese warm white led.
(Roleadro 300wX2)
Planning on adding 2pcs x 1foot bx eb2 strips each side of my existing lights on outriggers (8 per light-16 total)
Just really looking for confirmation that my driver choice will work with my strip choice.
Not planning on any heat sinks and hopping I can run them at close to 350ma @19.5v in parallel with the listed components.
Cheers