NSBLL121A Datasheet, PDF (3/19 Pages) NICHIA CORPORATION – SPECIFICATIONS FOR WARM WHITE LED

RANKS
NICHIA STS-DA1-2681A <Cat.No.130528>
Item
Forward Voltage
Luminous Flux
Color Rendering Index
Rank
-
G2650
G2450
G2250
G2050
G1850
R70
R_a
R_a
R8000
R₉
Min
30
2650
2450
2250
2050
1850
70
80
0
Max
36
2850
2650
2450
2250
2050
-
-
-
Unit
V
lm
-
-
-
Color Ranks
Rank sm243 Rank sm273 Rank sm303 Rank sm353
Center Point
x
0.4829
y
0.4144
0.4578
0.4101
0.4338
0.4030
0.4073
0.3917
* Ranking at T_C=25°C.
* Forward Voltage Tolerance: ±0.32V
* 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
* The color rank has a chromaticity range within a 3-step MacAdam ellipse.
* LEDs from the above ranks will be shipped.
The rank combination ratio per shipment will be decided by Nichia.
Rank sm403
0.3818
0.3797
Rank sm453
0.3611
0.3658
Luminous Flux Ranks by Color Rank, Color Rendering Index Rank
Ranking by
Luminous Flux
Ranking by
G1850 G2050 G2250
Color Coordinates,
Color Rendering Index
sm243
R8000
sm273,sm303
R8000
sm353
R8000
sm403
R70
R8000
sm453
R8000
G2450
G2650
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