Release by
PARALIGHT DCC
REV: A / 0
Part No. : LT670WDT-NW5-P
l Typical Electro-Optical Characteristics Curves
(25℃ Ambient Temperature Unless Otherwise Noted)
50
40
30
20
Ta=25℃
Ta=25℃
10
0
0
20 40 60 80 100
Ambient Temperature Ta(℃)
Fig.2 Forward Current Derating Curve
Fig.3 Relative Luminous Intensity vs.Forward Current
Fig.1 Forward Current vs.Forward Voltage
0° 10° 20°
30°
200
2
IFP=20mA
Ta=25℃
100
1
40°
0.5
1.0
50
0.9
50°
30
20
0.2
0.1
0.8
60°
70°
80°
90°
0.7
10
1
-40
-20
20 40 60 80 100
0
20
5
10
50 100
0.5 0.3
0.2 0.4 0.6
0.1
Ambient Temperature Ta(℃)
Ambient Temperature Ta(℃)
Fig.4 Forward Current Derating Curve
Fig.6 Luminous Intensity vs.Ambient Temperature
Fig.5 Spatial Distribution
IFP=60mA
IFP=20mA
IFP=5mA
Ta=25℃
IFP=20mA
100mA
50mA
-30℃
20mA
5mA
0℃
25℃
85℃
50℃
1mA
x
Ambient Temperature Ta(℃)
x
Fig.7 Ambient Temperature vs.Forward Voltage
Fig.8 Ambient Temperature vs.Chromaticity Coordinate
Fig.9 Forward Current vs.Chromaticity Coordinate
DRAWING NO. : DS-7A-11-0017
DATE : 2011-11-23 PAGE
5 of 17
PARA-FOR-068
SURFACE MOUNT DEVICE LED
PARALIGHT [ PARA LIGHT ELECTRONICS CO., LTD. ]
