SURFACE MOUNT DEVICE LED
Part No. : LT650WDT-WW2
REV: A / 0
l Typical Electro-Optical Characteristics Curves
(25℃ Ambient Temperature Unless Otherwise Noted)
50
40
30
20
Ta=25 C
Ta=25 C
10
0
0
20
40
60
80 100
Ambient Temperature Ta( C)
Fig.3 Relative Luminous Intensity vs.Forward Current
Fig.2 Forward Current Derating Curve
Fig.1 Forward Current vs.Forward Voltage
0
10
20
200
2
30
40
Ta=25 C
IFP=20mA
100
1
1.0
0.9
50
0.5
50
60
30
20
0.8
0.2
0.1
70
80
90
0.7
10
1
20
Ambient Temperature Ta(
5
10
50 100
0.5 0.3 0.1 0.2 0.4 0.6
Fig.5 Spatial Distribution
-40
-20
20 40 60 80 100
0
)
Ambient Temperature Ta(
)
Fig.4 Luminous Intensity vs.Ambient Temperature
Fig.6 Forward Current Derating Curve
Ta=25 C
IFP=60mA
IFP=20mA
IFP=5mA
IFP=20mA
1mA
5mA
-30
C
20mA
50mA
0
C
25
C 50 C
C
85
100mA
x
x
Ambient Temperature Ta( C)
Fig.8 Ambient Temperature vs.Chromaticity Coordinate
Fig.7 Ambient Temperature vs.Forward Voltage
Fig.9 Forward Current vs.Chromaticity Coordinate
DRAWING NO. : DS-31P-11-0028
DATE : 2011-10-11 PAGE
5 of 16
PARA-FOR-068
PARALIGHT [ PARA LIGHT ELECTRONICS CO., LTD. ]
