LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. L9UG2041/P1-PF/TBS-8
Page 4/6
Typical Electro-Optical Characteristics Curve
9UG CHIP
Fig.1 Forward current vs. Forward Voltage
Fig.2 Relative Intensity vs. Forward Current
1000
3.0
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
Forward Current(mA)
Fig.4 Relative Intensity vs. Temperature
Relative Intensity @20mA
Normalize @25
℃
-40
-20
0
20
40
60
80
100
Forward Voltage@20mA
Normaliz @25
℃
1.2
3.0
2.5
2.0
1.5
1.0
0.5
0
-40
-20
0
20
40
60
80
100
1.1
1.0
0.9
0.8
Ambient Temperature(
℃
)
Ambient Temperature(
℃
)
Fig.5 Relative Intensity vs. Wavelength
Fig.6 Directive Radiation
0
°
-30
°
30
°
Relative Intensity @20mA
1.0
0.5
-60
°
60
°
0
500
550
600
650
100% 75% 50%
25%
0
25%
50% 75% 100%
Wavelength (nm)
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