NSDW570GS-K1 Datasheet, PDF (3/16 Pages) NICHIA CORPORATION – SPECIFICATIONS FOR WHITE LED

RANKS
NICHIA STS-DA1-2228 <Cat.No.120229>
Item
Forward Voltage
Reverse Current
Luminous Flux
Rank
-
-
P11
P10
P9
P8
Min
2.95
-
30.3
25.5
21.4
18.0
Max
3.70
100
36.0
30.3
25.5
21.4
Unit
V
µA
lm
Color Ranks
x
0.280
y
0.248
Rank a0
0.264
0.283
0.267
0.305
0.296
0.276
Rank b3
x
0.287
0.283
0.304
0.307
y
0.295
0.305
0.330
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
x
0.330
y
0.294
0.315
0.339
0.318
y
0.318
* Ranking at T_A=25°C.
* Tolerance of measurements of the Forward Voltage is ±0.05V.
* Tolerance of measurements of the Luminous Flux is ±10%.
* Tolerance of measurements of the Chromaticity Coordinate is ±0.01.
* A shipment shall consist of LEDs in a combination of the above ranks.
The percentage of each rank in the shipment shall be determined by Nichia.
Rank c0
0.330
0.361
0.360
0.385
Luminous Flux Ranks by Color Rank
Ranking by
Ranking by
Luminous Flux
P8
Color Coordinates
a0
b3,b4,b5,b6,c0
P9
P10
P11
0.356
0.351
2