LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. L8SR2640/L12-PF/TBS-X
Page 4/6
Typical Electro-Optical Characteristics Curve
8SR 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
2.5
2.0
1.5
1.0
0.5
0.0
10
1.0
0.1
1.0
2.0
3.0
4.0
5.0
1.0
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
℃
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
-40
-20
0
20
40
60
Ambient Temperature(
℃
)
Ambient Temperature(
℃
)
Fig.5 Relative Intensity vs. Wavelength
Fig.6 Directivity Radiation
0
°
Relative Intensity@20mA
1.0
-30
°
30
°
0.5
-60
°
60
°
0.0
600
650
700
750
100% 75% 50%
25%
0
25% 50% 75% 100%
Wavelength (nm)
LIGITEK [ LIGITEK ELECTRONICS CO., LTD. ]
