NT2L757DT Datasheet, PDF (3/20 Pages) NICHIA CORPORATION – SPECIFICATIONS FOR WARM WHITE LED

RANKS
NICHIA STS-DA1-2779 <Cat.No.130523>
Item
Forward Voltage
Luminous Flux
Color Rendering Index
Rank
-
P16
P15
P14
P13
R70
R_a
R_a
R8000
R₉
Min
2.6
72.0
60.5
51.0
42.8
70
80
0
Color Ranks
x
0.4373
y
0.3893
Rank sw27
0.4562 0.4813
0.4260 0.4319
0.4593
0.3944
Max
3.5
85.6
72.0
60.5
51.0
-
-
-
Unit
V
lm
-
-
-
Rank sw30
x
0.4147 0.4299 0.4562 0.4373
y
0.3814 0.4165 0.4260 0.3893
Rank sw35
x
0.3898 0.3996 0.4299 0.4147
y
0.3716 0.4015 0.4165 0.3814
Rank sw40
x
0.3670 0.3736 0.3996 0.3898
y
0.3578 0.3874 0.4015 0.3716
Rank sw45
x
0.3515 0.3548 0.3736 0.3670
y
0.3487 0.3736 0.3874 0.3578
* Ranking at T_S=25°C.
* Forward Voltage Tolerance: ±0.05V
* Luminous Flux Tolerance: ±7%
* Color Rendering Index R_a Tolerance: ±2
* Color Rendering Index R₉ Tolerance: ±6.5
* The R₉ value for the above rank shall be greater than 0.
* Chromaticity Coordinate Tolerance: ±0.005
* LEDs from the above ranks will be shipped.
The rank combination ratio per shipment will be decided by Nichia.
Luminous Flux Ranks by Color Rank, Color Rendering Index Rank
Ranking by
Luminous Flux
Ranking by
P13
P14
P15
P16
Color Coordinates,
Color Rendering Index
sw27
R70
R8000
sw30,sw35,sw40,
R70,R8000
sw45
2