Fig. 3 Relative Intensity vs. Peak Wavelength
1.0
0.5
0
300
350
400
450
500
550
600
650
700
750
WAVELENGTH (nm)
I
F
 - DC FORWARD CURRENT (mA)
Fig. 2 Relative Luminous Intensity vs.
DC Forward Current
2.0
1.5
1.0
0.5
0.0
0
5
10
15
20
25
30
HER
YELLOW
GREEN
T
A
 - AMBIENT TEMPERATURE (贑)
Fig.5 Maximum Forward Current
vs. Ambient Temperature
50
40
30
20
10
0
0
20
40
60
80
100
AlGaAs
RED
GREEN
HER
AlGaAs RED
YELLOW
REL. LUMINOUS INTENSITY (%)
-80?/DIV>
80?/DIV>
-70?/DIV>
70?/DIV>
-60?/DIV>
60?/DIV>
-50?/DIV>
50?/DIV>
-40?/DIV>
40?/DIV>
-30?/DIV>
30?/DIV>
-20?/DIV>
20?/DIV>
-10?/DIV>
10?/DIV>
0?/DIV>
1.0    0.8    0.6   0.4
0.2    0    0.2
0.4   0.6   0.8   1.0
Fig.4 Radiation Diagram
-90?/DIV>
90?/DIV>
V
F
 - FORWARD VOLTAGE (V)
Fig. 1 Forward Current vs. Forward Voltage
90
40
50
60
70
80
30
20
10
0
1.0
2.0
3.0
4.0
5.0
YELLOW
GREEN
HER
AlGaAs
RED
TYPICAL PERFORMANCE CURVES
SURFACE MOUNT LED LAMP
STANDARD BRIGHT 0606
QTLP600C-23 HER/Yellow
QTLP600C-24 HER/Green
QTLP600C-34 Yellow/Green
QTLP600C-74 AlGaAs Red/Green
DS300118
8/30/01
3 OF 6
www.fairchildsemi.com
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