Search results

lm/W is set by the single die on the COB, and in the Datasheet the Temperature is fixed (25°C / 85°C)

...from my naked eye i woud say the cree curve is above 4700 K

but it is!

only chilled coolers can stay or go below ambient temps.

Meanwell LDH-45 series can boost 12V up to 83V with 90% eff. http://www.meanwell-bg.com/files/Models/LDH-45-spec.pdf

ttystick is talking BS from a simple water-cooler (Tj 45°C) to a Water-chiller (Tj 5°C) we have an increase of about 7%. for this we need about more then 50W cooling power. numbers are based on 1 liter(1000 ccm) of cooling liquid

Ik denk dat je geen idee hebt waar ik woon Zweedse pas de tweede taal hier "Nyt olet Kaukana" is wat ik zou zeggen ------------------------------ and for the rest.... his try to blow up the typhon-code from 4 to 6 channels fails early in the declaration part .btw. the simplest part of the code...

we have rules for this...

look for Electromagnetic compatibility (EMC)... maybe only a law from europa http://aeroponik.eu/product_info.php?language=en&info=p44_elektronisches-vorschaltgeraet-vgt-250---600w.html&= ... "Control anti - interference The electronic ballast passes EMC to avoid interference from...

wasted time... it´s just a bad copy of this http://www.bnkk.net/Typhon/Typhon.pde

my led... Yes Your led... I don't know

so it can also handle 450A / 1V and also 0.001A / 450000V have a nice day...

maybe the problem... Java uses point instead of comma for fractions 0.7 instead of 0,7

http://www.europages.co.uk/companies/water%20jet%20cutting.html

just a bit strange... Rayfiles are online, but no Datasheet for the new 120°

doggie

yeah, i have this discusion always with my wife

skin effect with dc... back to the kindergarten Mr. engineer btw. im an drunken master of science

cheap and fast leds... https://www.led-tech.de/en/High-Power-LEDs-Osram/Osram-Modules/50cm-Alustreifen-mit-42-OSRAM-Duris-E5-LEDs-5500K-LT-2278_206_209.html cooling... tim...

yes we can customize our lights but this needs some skills the burple lights are moving forwards and they are not longer only burple. the whites are standing still, the only evolution i see here, is more power. fixed spectrum high power point sources are not the future...