7
AlGaAs Red
50
45
Rθ
= 770°C/W
J-A
AlGaAs RED
40
35
30
25
20
15
10
5
0
20 30 40 50 60 70 80 90 100 110 120
T
– AMBIENT TEMPERATURE – °C
A
Figure 1. Maximum Allowed Peak Current vs. Pulse
Duration – AlGaAs Red.
Figure 2. Maximum Allowable DC Current vs.
Ambient Temperature.
2.00
160
140
1.75
1.50
120
AlGaAs RED
100
1.25
1.00
80
60
40
AlGaAs RED
0.75
0.50
20
0
0.25
0
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
– FORWARD VOLTAGE – V
0
F
5
10
15
20
25
30
35
40
V
I
– FORWARD CURRENT PER SEGMENT – mA
F
Figure 3. Forward Current vs. Forward Voltage.
Figure 4. Relative Luminous Intensity vs. DC
Forward Current.
1.4
1.2
1.0
AlGaAs RED
0.8
0.6
0.5
5.0
50.0 150.0
I
– PEAK FORWARD CURRENT
PER SEGMENT – mA
PEAK
Figure 5. Relative Efficiency (Luminous Intensity
per Unit Current) vs. Peak Current.
HP [ HEWLETT-PACKARD ]
