LED test / review – Lumileds Luxeon MZ 5700 K min. 90 CRI (3V) – Finally! High CRI, High power, beautiful light

Yes, there would be a hole with clear optics. In fact according to carclo frosted gives more throw.
You can see beam shapes on the carclo site.

Yes, that’s actually just what I did after posting :wink: :person_facepalming:
They haven’t tested the Luxeon V yet, though. I know it wont be good but actual numbers and beamshots are still a nice thing.

LMZ9-QW57
Power at rated maximum: 14.40 W (peak: 16.72 W)
Efficiency at 4,800 mA: 93.4 lm/W (peak: 89.3 lm/W)

L1V1 led4power sample

Power at rated maximum: 16.42 W
Efficiency at 4,800 mA: 96.9 lm/W

If LMZ7-QW57 is about 30% more efficient than 90CRI verson it WOULD make sense to use it instead of V under 8A?

MZ would be brighter of course at any current, and Vf is crazy low,CC regulation would be maintained ~100% of time even at high mode, I'm just not sure how well it would work with small optics, total die size is bigger than tir entrance holes. Since I got 20mm mosDTP boards,I will build M1 with 5000K 80CRI MZ, just to see how they look in flashlight, XHP50.2 was total disappointment because of terrible tint/coronas.

I wonder what’s the relation between Luxeon MZ, Luxeon M and Luxeon MX…
Is M the same as MZ, but with a dome and larger package?
If yes, dedoming should bring the same performance at low currents and better at high - due to larger thermal pads.
MX is an upgraded variant of M. Eyeballing photos it seems to have about the same die sizes. And doesn’t look flip chip. And emission profile looks the same too. Is there a chance of it being better than MZ?

How did you get 30? T bin is 970-1040 lm. Here we have 867.8. So the difference should be ~16?

They all have same MZ core (4x4.2mm,4x Z ES chips), M and MX have full dome and white ceramic 7070 frame, footprint is the same for all leds, MX is basically updated flux bins Luxeon M, I don't see other differences.

Lower max soldering temperature, higher max current, higher Vf. Though slight differences may not actually mean a different product…
I had troubles reading the pad specs…thermal pad is the same. Good for compatibility, bad for performance. :wink:

Anyway, if that’s the case, dedomed MX should reach about XHP35 HI luminosity. Maybe even higher.

5700K 90CRI has 770lm typ. @85C, T bin has ~1005lm typ. @85C -> 1005lm/770lm=30% higher

Thermal pad is big enough anyway, performance gain with bigger pad would be hard to see (I'm not saying that 7070 pad would be bad,but Philips did this for compatibility reasons).

Currently probability of finding higher flux QW (3V bin) of MX is second to none, for small quantities at least. There is higher chance of getting 3V M but just in 3000K and maybe 4000. I made few quotes on taobao asking for availability of LXR7-QW57/QW65 versions of M and they are out of stock everywhere.
I will keep searching for them but meanwhile if someone find reasonable source I would greatly appreciate sharing it with me and others :slight_smile:

Important notice:

I updated the luminance values for all LEDs shown in test chart except Luxeon MZ (due to irregular light distribution)!

To ensure more realistic values for 'real-life' conditions (flashlight use / secondary optics) I established a new testing method to determine the luminance with a SMO reflector. All upcoming and already existing tests will use this method!

Updating of my other tests will be done in the next hours / days.

Well well…we see significant re-shuffling of the top performers, not just Synios.
Thank you for the update!

BTW, would it be possible to get the raw data that you use to draw the charts?

Any idea to make this without too much effort? For all emitter tests it would be way too much work to make this...

Now I can provide light flux / Vf at certain temperature Tj, at same test current Lumileds using in the official datasheet (2,800 mA). :)

The manufacturer Lumileds doesn't provide any data regarding changing Vf at rising temperature Tj, so these data are very new for all of us.

Quite good output thermal stability, with ≈91.92% (728/792 lumens) relative light flux at 145°C (+60°C) and ≈103.283% (818/792 lumens) at 25° (−60°C). :THUMBS-UP:

Cheers ^:)

You surely have something you generate the charts from….spreadsheet(s)? csv? Something else?
For me just dumping it directly would work. It doesn’t need to be nice and clean and easy to work with.

Okay, I'll check this out. Maybe I put the raw data in an extra post below every new test written in the future...

Tj Tsp

0 -11,4
5 -6,4
10 -1,4
15 3,6
20 8,6
25 13,6
30 18,6
35 23,6
40 28,6
45 33,6
50 38,6
55 43,6
60 48,6
65 53,6
70 58,6
75 63,6
80 68,6
85 73,6
90 78,6
95 83,6
100 88,6
105 93,6
110 98,6
115 103,6
120 108,6
125 113,6
130 118,6
135 123,6
140 128,6
145 133,6
150 138,6

Would be this 'formatting' example enough for you?

Yes. Though when it comes to raw data I’m more interested in output / Vf vs. current. So I can convert them to lm/W vs. luminance charts.

Raw data

Lumileds Luxeon MZ 3V 5700 K 90CRI

Amps lm Vf
0,20 80 2,67
0,40 159 2,71
0,60 234 2,74
0,80 298 2,76
1,00 359 2,78
1,20 419 2,79
1,40 482 2,81
1,60 542 2,83
1,80 598 2,83
2,00 650 2,85
2,20 705 2,86
2,40 762 2,87
2,60 813 2,88
2,80 868 2,90
3,00 917 2,91
3,20 964 2,92
3,40 1013 2,93
3,60 1063 2,94
3,80 1117 2,95
4,00 1161 2,96
4,20 1207 2,97
4,40 1252 2,98
4,60 1295 2,99
4,80 1345 3,00
5,00 1383 3,01
5,20 1426 3,02
5,40 1470 3,03
5,60 1512 3,04
5,80 1555 3,05
6,00 1595 3,06
6,20 1640 3,07
6,40 1686 3,08
6,60 1727 3,09
6,80 1769 3,10
7,00 1802 3,11
7,20 1843 3,12
7,40 1876 3,13
7,60 1926 3,14
7,80 1959 3,15
8,00 2000 3,16
8,20 2033 3,17
8,40 2066 3,17
8,60 2099 3,18
8,80 2132 3,19
9,00 2174 3,20
9,20 2198 3,21
9,40 2231 3,21
9,60 2264 3,22
9,80 2289 3,23
10,00 2322 3,24
10,20 2355 3,25
10,40 2380 3,25
10,60 2413 3,26
10,80 2438 3,27
11,00 2471 3,28
11,20 2496 3,29
11,40 2521 3,29
11,60 2545 3,30
11,80 2570 3,31
12,00 2595 3,31
12,20 2620 3,32
12,40 2636 3,33
12,60 2661 3,34
12,80 2678 3,34
13,00 2702 3,35
13,20 2719 3,36
13,40 2744 3,37
13,60 2752 3,37
13,80 2769 3,38
14,00 2785 3,39
14,20 2802 3,40
14,40 2818 3,40
14,60 2826 3,41
14,80 2843 3,42
15,00 2851 3,42
15,20 2860 3,43
15,40 2868 3,44
15,60 2876 3,44
15,80 2884 3,45
16,00 2893 3,46
16,20 2901 3,46
16,40 2901 3,47
16,60 2901 3,47
16,80 2909 3,48
17,00 2909 3,49
17,20 2909 3,49
17,40 2909 3,50

If you create diagrams / comparisons with this data, I would ask you to publish these charts in this topic and also to specify the source of the data used. :)

Raw data of more emitter tests will follow in the next time. Stay tuned!

feit finally found one of these in a flashlight.
its a feit electric 3c zoomie.
i doubt its hi cri but its about 5000k with good color rendering and no odd tints.
clean pure white.