LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LA143B/DBK-PF
Page 3/5
Typical Electro-Optical Characteristics Curve
DBK CHIP
Fig.1 Forward current vs. Forward Voltage
Fig.2 Relative Intensity vs. Forward Current
3.0
1000
Forward Current(mA)
100
10
1
01
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
10
100
1000
Forward Voltage(V)
Fig.3 Forward Voltage vs. Temperature
Forward Current(mA)
Fig.4 Relative Intensity vs. Temperature
Forward Voltage@20mA
Normalize @25
℃
Relative Intensity@20mA
Normalize @25
℃
-40
-20
0
20
40
60
80
100
1.2
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
Ambient Temperature(
℃
)
Ambient Temperature(
℃
)
Fig.5 Relative Intensity vs. Wavelength
Relative Intensity@20mA
1.0
0.5
0.0
400
450
500
550
Wavelength (nm)
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