LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. L12URF9553-4S/TR1
Page 4/7
Typical Electro-Optical Characteristics Curve
URFS CHIP
Fig.1 Forward current vs. Forward Voltage
Fig.2 Luminous Intensity vs. Forward Current
6.0
5.0
4.0
150
100
50
0
3.0
2.0
1.0
0.0
0
50
100
150
0
0.5
1.0
1.5
2.0
2.5
3.0
Forward Current(mA)
Forward Voltage(V)
Fig.4 Luminous Intensity vs. Temperature
Fig.3 Forward Voltage vs. Temperature
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.06
1.04
1.02
1.00
0.98
0.96
0.94
-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 Directivity Radiation
0°
1.0
-30°
30°
-60°
60°
0.5
100% 75% 50% 25%
0
25% 50% 75%100%
0
550
600
650
700
Wavelength (nm)
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