NSSW157A Datasheet, PDF (3/17 Pages) NICHIA CORPORATION – SPECIFICATIONS FOR WHITE LED

RANKS
NICHIA STS-DA1-1332A <Cat.No.110406>
Item
Forward Voltage
Luminous Flux
Rank
-
P11
P10
P9
Min
2.7
30.3
25.5
21.4
Max
3.4
36.0
30.3
25.5
Unit
V
lm
Color Ranks
x
0.287
y
0.295
Rank b3
0.283
0.304
0.305
0.330
0.307
0.315
Rank b4
x
0.307
0.304
0.330
0.330
y
0.315
0.330
0.360
0.339
Rank b5
x
0.296
0.287
0.307
0.311
y
0.276
0.295
0.315
0.294
Rank b6
x
0.311
0.307
0.330
0.330
y
0.294
0.315
0.339
0.318
Rank c1
Rank c2
x
0.330
0.330
0.361
0.357
x
0.330
0.330
0.357
y
0.339
0.360
0.385
0.361
y
0.318
0.339
0.361
* Ranking at T_S=25°C.
* Tolerance of measurements of the Forward Voltage is ±0.05V.
* Tolerance of measurements of the Luminous Flux is ±7%.
* Tolerance of measurements of the Chromaticity Coordinate is ±0.005.
* Basically, a shipment shall consist of the LEDs of a combination of the above ranks.
The percentage of each rank in the shipment shall be determined by Nichia.
Correspondence table of Color Coordinates - Luminous Flux ranks
Ranking by
Ranking by
Luminous Flux
P9
P10
P11
Color Coordinates
b3
b4,b5,b6,c1,c2
0.356
0.351
2