LIGITEK ELECTRONICS CO.,LTD.
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PART NO. LA177B-1/SRG
Typical Electro-Optical Characteristics Curve
G CHIP
Fig.1 Forward current vs. Forward Voltage
Fig.2 Relative Intensity vs. Forward Current
3.5
3.0
2.5
2.0
1.5
1.0
1000
100
10
1.0
0.5
0.0
0.1
1.0
2.0
3.0
4.0
5.0
1.0
10
100
1000
Forward Current(mA)
Forward Voltage(V)
Fig.4 Relative Intensity vs. Temperature
Fig.3 Forward Voltage vs. Temperature
3.0
1.2
2.5
2.0
1.5
1.0
0.5
1.1
1.0
0.9
0.8
0.0
-40
-20
0
20
40
60
80
100
-40
-20
0
20
40
60
80
100
Ambient Temperature(℃)
Ambient Temperature(℃)
Fig.5 Relative Intensity vs. Wavelength
Fig.6 Directive Radiation
1.0
0.5
0.0
500
550
600
650
Wavelength (nm)