English
Language : 

NSPWF50DS_14 Datasheet, PDF (3/16 Pages) NICHIA CORPORATION – SPECIFICATIONS FOR WHITE LED
RANKS
NICHIA STS-DA1-2178 <Cat.No.120131>
Item
Rank
Forward Voltage
-
Reverse Current
-
W
Luminous Intensity V
U
Min
2.65
-
1.36
0.96
0.68
Max
3.50
50
1.92
1.36
0.96
Unit
V
µA
cd
Color Ranks
x
0.280
y
0.248
Rank a0
0.264
0.283
0.267
0.305
0.296
0.276
Rank b1
x
0.287
0.283
0.330
0.330
y
0.295
0.305
0.360
0.339
Rank b2
x
0.296
0.287
0.330
0.330
x
0.330
y
0.276
0.295
0.339
0.318
y
0.318
* Ranking at TA=25°C.
* Tolerance of measurements of the Forward Voltage is ±3%.
* Tolerance of measurements of the Luminous Intensity 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
0.356
0.351
2