ꢀ Spectrum
ꢀ Forward Current vs.
Chromaticity diagram
0.35
1.2
1
Ta=25°C
Ta=25°C
IF=20mA
0.34
0.33
0.32
0.31
0.30
1mA
5mA
0.8
0.6
0.4
0.2
0
20mA
50mA
100mA
0.29 0.30 0.31 0.32 0.33 0.34
350
450
550
650
750
0°
Wave Length λ (nm)
x
ꢀ Ambient Temperature vs.
ꢀ Directivity (NSPWF50BS)
Chromaticity diagram
Y
Y
10°
20°
0.35
1
X
X
30°
Ta=25°C
IF=20mA
IFP=20mA
40°
0.34
X-X
50°
Y-Y
0.33
0.32
0.31
0.30
-30°C
0°C
25°C
50°C
60°
70°
0.5
Ta=25°C
I =20mA
F
X-X
80°
90°
85°C
Y-Y
0
90°
60°
30°
0°
0.5
1
0.29 0.30 0.31 0.32 0.33 0.34
Radiation Angle
x
Model
NSPWF50BS
NICHIA CORPORATION Title
TYP.CHARACTERISTICS
011210110331
No.