CREE XHP50 limit?

[MRsDNF]

Post 275 here from djozz should answer your question.

Cree XHP70 up to 4022 Lumens and XHP50 up to 2546 lumens - Multi-die leds.

[image] I did output tests on a XHP50, and a XHP70 (and an MT-G2 once more, for direct comparison in the same set-up), all on DTP copper boards. The XHP70 was a N2-bin 6500K led from Mouser, the XHP50 was an unknown bin led sample that Hank from intl-outdoor sent me to test (thanks Hank!), it looks like a neutral tint between 4000 and 5000K. The MT-G2 to compare them to was an M0 bin 4000K on a 16mm MT-Noctigon from intl-outdoor (because that is what I had in house). Here's the three together…