Gchart, that pic looks like a gen2, no? I thought dot three versions had a white silicone pour around the die.
Good eye. That picture was taken before the emitter swap. It was more of a “hurray, I got it open… and here’s what it looks like” picture. I have updated my post to note this.
The new LED does have the white around the die and is not covered in a phosphor pour.
XHP70.3 HI looks interesting.
XHP70.3 HIs have been listed at Mouser, several of them have a MOQ of 1 (none 90CRI 
), no lead time info.
https://www.mouser.fr/c/optoelectronics/led-lighting/led-emitters/high-power-leds-white/?q=xhp70d-h0
The XHP70.3 Hi looks like perfect LED for ZL SC700d 
XHP50.3 HI 4500K 90CRI from mouser with a beaded TIR :
0.1A
CCT = 4312K (Duv 0.0045)
Color Rendering Index (Ra) = 92.2 [ R9 = 69.3 ]
R1 = 91.6 R2 = 94.2 R3 = 95.7 R4 = 91.0 R5 = 90.1 R6 = 90.5 R7 = 96.2
R8 = 88.5 R9 = 69.3 R10 = 85.5 R11 = 90.0 R12 = 67.0 R13 = 92.0 R14 = 97.6
IES TM-30-15 Rf = 88.76 Rg = 96.79
0.5A
CCT = 4440K (Duv 0.0042)
Color Rendering Index (Ra) = 91.4 [ R9 = 65.8 ]
R1 = 90.6 R2 = 93.1 R3 = 94.4 R4 = 90.8 R5 = 89.4 R6 = 89.0 R7 = 96.2
R8 = 87.7 R9 = 65.8 R10 = 83.0 R11 = 89.5 R12 = 67.0 R13 = 90.9 R14 = 97.1
IES TM-30-15 Rf = 88.94 Rg = 97.42
1A
CCT = 4524K (Duv 0.0034)
Color Rendering Index (Ra) = 90.8 [ R9 = 63.4 ]
R1 = 90.1 R2 = 92.4 R3 = 93.5 R4 = 90.7 R5 = 89.1 R6 = 88.2 R7 = 95.6
R8 = 87.1 R9 = 63.4 R10 = 81.4 R11 = 89.3 R12 = 67.9 R13 = 90.3 R14 = 96.7
IES TM-30-15 Rf = 89.00 Rg = 97.93
2A
CCT = 4586K (Duv 0.0033)
Color Rendering Index (Ra) = 89.7 [ R9 = 58.9 ]
R1 = 88.9 R2 = 91.1 R3 = 92.2 R4 = 90.1 R5 = 88.2 R6 = 86.8 R7 = 94.7
R8 = 85.7 R9 = 58.9 R10 = 78.6 R11 = 88.7 R12 = 68.4 R13 = 89.0 R14 = 96.0
IES TM-30-15 Rf = 88.72 Rg = 98.43
I didn’t test higher because it’s a quick test without heatsink, anyway the tint is sunlike (0.0033), or slightly greener at lower current. Disappointing that it’s not closer to the BBL
The beam looks quite good even with SMO reflectors.
At 0.1A with KR1 SMO reflector :
spot : CCT = 4605K (Duv 0.0033)
Corona : CCT = 4191K (Duv 0.0067)
spill : CCT = 4383K (Duv 0.0032)
1 Thank
for the data thefreeman. Cree is not the new Nichia but it looks decent, 90CRI Cree’s that I have seen before were awfully green (that was before I had a spectrometer, so I can not back that up with duv numbers), this sounds better.
Added a quick spot, corona, spill measurement with SMO reflector
A bunch of them got added in order, availability announced for March.
Cutter has some stock of 3V XHP50.3 in 3B chromaticity.
The 4000K 80+ CRI looks interesting. But man, $12 a pop
I have these underway, any interest
XHP70D-H0-0000-0D0BP250E 20pcs stock
XHP70D-H0-0000-0D0BN450E 200pcs stock
XHP70D-H0-0000-0D0BN445E 10pcs stock
XHP70D-H0-0000-0D00P20DT 20pcs stock
XHP70D-H0-0000-0D00P20E1 20pcs stock
XHP70D-H0-0000-0D00P20E2 100pcs stock
cheers
Too bad we don’t know what the tint is like. If we know for sure it has rosy good tint, I would buy.
Have you ordered from this site before? They mention shipping to Russia & Ukraine, do you know if they ship to EU/UK?
Do I try a 70.3 in my FET L6?
Maybe I’m not so good at reflowing, but these XHP50.3 HI 4500K 90CRI LEDs seem to be rather fragile when it comes to current. I went just above the limit on two of them at 12V and they burned out rather quickly. My heat sinking was probably not adequate either but for now I I’ll give up on these until someone who knows what they are doing does a more thorough test.
I got a 6v XHP50.3 HI doing 4k lumens I think the current draw is like 8-9 amps it’s okay but I’ve only used it for testing. I tried to reflow one and the dome melted.
Must be my crappy reflowing… I should stop buying bare LEDs and only get mounted to MCPCBs by people who know what they are doing.
I re-configured my driver for 6V and put in a MT-G2 instead, those things take a lot of abuse.
Soldering the XHP70.3 LED on a copper substrate DTP.
