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