9
AlGaAs Red
20
50.0
20.0
18
16
R
= 770°C/W
θ
J-A
10.0
5.0
14
12
10
8
2.0
1.0
0.5
6
4
0.1
2
0
0
0.5
1.0
1.5
2.0
2.5
20 30 40 50 60 70 80
90 100 110 120
V
– FORWARD VOLTAGE – V
F
T
– AMBIENT TEMPERATURE – °C
A
Figure 1. Maximum Allowable Average or
DC Current vs. Ambient Temperature.
Figure 2. Forward Current vs. Forward Voltage.
1.3
1.2
20
10
5
1.1
1.0
0.9
2
1
0.5
0.5 mA
0.8
0.2
0.1
0.7
0.1 0.2
0.5
2
10
20
1
5
0
5
10
20
30
40
50
I
– FORWARD CURRENT
PER SEGMENT – mA
F
I
– PEAK FORWARD CURRENT
PER SEGMENT – mA
PEAK
Figure 3. Relative Luminous Intensity
vs. DC Forward Current.
Figure 4. Relative Efficiency (Luminous
Intensity per Unit Current) vs. Peak Current.