LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. L9UG3131/P1
Page 3/4
Typical Electro-Optical Characteristics Curve
9UG CHIP
Fig.1 Forward current vs. Forward Voltage
Fig.2 Relative Intensity vs. Forward Current
3.0
1000
Forward Current(mA)
100
Relative Intensity
Normalize @20mA
1.0
2.0
3.0
4.0
5.0
2.5
2.0
1.5
1.0
0.5
0
1.0
10
100
1000
10
1.0
0.1
Forward Voltage(V)
Fig.3 Forward Voltage vs. Temperature
1.2
1.1
1.0
0.9
Forward Current(mA)
Fig.4 Relative Intensity vs. Temperature
Relative Intensity @20mA
Normalize @25
℃
Forward Voltage@20mA
Normaliz @25
℃
3.0
2.5
2.0
1.5
1.0
0.5
0
-40
-20
0
20
40
60
80
100
0.8
-40
-20
0
20
40
60
80
100
Ambient Temperature(
℃
)
Ambient Temperature(
℃
)
Fig.5 Relative Intensity vs. Wavelength
1.0
Relative Intensity @20mA
0.5
0
500
550
600
650
Wavelength (nm)