LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. L20UY9653R-50D-AM
Page 3/5
Typical Electro-Optical Characteristics Curve
20UY(R) CHIP
Fig.1 Forward current vs. Forward Voltage
Fig.2 Relative Intensity vs. Forward Current
Forward Current(mA)
400
25
Relative Intensity
Normalize @20mA
1.0
2.0
3.0
300
200
20
15
10
5.0
0
100
0
0
0.5
1.5
2.5
0
500
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
℃
-20
1.04
1.02
1.00
0.98
0.96
0.94
-40
0
20
40
60
80
100
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-40
-20
0
20
40
60
80
100
Ambient Temperature(
℃
)
Ambient Temperature(
℃
)
Fig.5 Relative Intensity vs. Wavelength
Relative Intensity@20mA
1.0
0.5
0.0
500
550
600
650
Wavelength (nm)