NSCR426BT Datasheet, PDF (10/13 Pages) NICHIA CORPORATION – TYPE RED LED

! Ambient Temperature vs.
Chromaticity Coordinate (λD)
0.33
IFP=20mA
0.32
0.31
0.30
0.29
-30°C(621nm)
0°C(624nm)
25°C(625nm)
50°C(627nm)
85°C(629nm)
0.28
0.68 0.69 0.70 0.71 0.72 0.73
x
! Ambient Temperature vs.
Dominant Wavelength
631
629 ^IFP=20mA
627
625
623
621
619
-40 -20 0 20 40 60 80 100
Ambient Temperature Ta (°C)
! Spectrum
1.2
1
Ta=25°C
IF=20mA
0.8
0.6
0.4
0.2
0
450 500 550 600 650 700 750
Wavelength λ (nm)
! Forward Current vs.
Dominant Wavelength
631
629 ^Ta=25°C
627
625
623
621
619
1
5 10 20 50 100
Forward Current IFP (mA)
! Directivity (NSCR426B)
1
Ta=25°C
IF=20mA
X-X
Y-Y
0.5
Ta=25°C
IF=20mA
X-X
Y-Y
0
90°
60°
30°
Radiation Angle
0° _{10° 20°}
30°
40°
50°
60°
70°
80°
0°
0.5
90°
1
Model
NSCR426B
NICHIA CORPORATION Title TYP.CHARACTERISTICS
No.
011120109621