LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LH2640
Page 3/4
Typical Electro-Optical Characteristics Curve
H CHIP
Fig.1 Forward current vs. Forward Voltage
1000
Fig.2 Relative Intensity vs. Forward Current
3.0
Forward Current(mA)
100
10
1.0
0.1
1.0
2.0
3.0
4.0
5.0
Relative Intensity
Normalize @20mA
2.5
2.0
1.5
1.0
0.5
0.0
1.0
10
100
1000
Forward Voltage(V)
Fig.3 Forward Voltage vs. Temperature
Forward Current(mA)
Fig.4 Relative Intensity vs. Temperature
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-40
-20
0
20
40
60
80
100
1.1
1.0
0.9
0.8
-40
-20
0
20
40
60
80
100
Relative Intensity@20mA
Normalize @25
℃
Forward Voltage@20mA
Normalize @25
℃
1.2
Ambient Temperature(
℃
)
Ambient Temperature(
℃
)
Fig.5 Relative Intensity vs. Wavelength
Relative Intensity@20mA
1.0
0.5
0.0
600
700
800
900
1000
Wavelength (nm)