Die sizes of some dome-less leds

[JaredM]

Yinding "5050 30W" round die domeless led tested

[image] I can’t find it back on BLF but someone (JaredM?) recently pointed to this Yinding 5050 led on aliexpress as a potential high performance throw led. It has a die size that is slightly larger than an Osram PM1 die and claims to run at 8A which is definity high performance throw area. And the die is round! , which promises beautiful hotspots, from both reflectors and aspheric projection lenses. Chinese leds are improving fast, so let’s see how this one compares to the establ…

Djozz’s test of the yinding 5050 round die.