comfychair
August 26, 2014, 7:07am
12
That number is at the max officially-supported drive current, 1.5A for the XPG2 (XML2 quoted output numbers are at 3A). Put the XPG2 on copper and feed it 4A and the output is around 900 lumens or so.
http://www.cree.com/LED-Components-and-Modules/Products/XLamp/Discrete-Directional/XLamp-XPG2
Folks,
Long time no see... Since most of you are now aware of my testing procedure, I'll be brief here. The following is a test of the Cree XML2 on a standard aluminum 20mm star, along with another xml2 mounted on a copper sinkpad. (member vestureofblood was kind enough to send me out these for testing).
[image]
Graphs speak louder than words, so here they are. The first one is the XML2 on a standard star, followed by a comparison graph between a standard aluminum star and a copper sink…