
7
AlGaAs Red
t – PULSE DURATION – μs
10
1
100
10
10000
1000
100
1
R
P
D
I
F
I
D
OPERATION IN THIS
REGION REQUIRES
TEMPERATURE
OPERATING OF I
MAXIMUM
DC
DC OPERATION
10H
1 H
3Kz
1KH
30H
Figure 4. Relative Luminous Intensity
vs. DC Forward Current.
Figure 2. Maximum Allowable DC
Current per Segment as a Function of
Ambient Temperature.
Figure 1. Maximum Allowed Peak Current vs.
Pulse Duration – AlGaAs Red.
Figure 5. Relative Efficiency (Luminous
Intensity per Unit Current) vs. Peak Current.
Figure 3. Forward Current vs.
Forward Voltage.
45
30
50
80
90 100
70
60
40
20
0
40
50
T
A
– AMBIENT TEMPERATURE – °C
35
30
25
20
15
10
5
I
D
P
AlGaAs RED
R
θ
J-A
= 770°C/W
110 120
0.5
1.5
3.0
3.5
4.0
2.5
2.0
1.0
0
0
160
V
F
– FORWARD CURRENT – V
140
120
100
80
60
40
20
I
F
AlGaAs RED
0.6
0.8
1.4
1.2
1.0
I
PEAK
– PEAK FORWARD CURRENT PER SEGMENT – mA
0.5
AlGaAs RED
η
P
5.0
50.0
150.0
5
15
30
35
40
25
20
10
0
0
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
I
F
– FORWARD CURRENT PER SEGMENT – mA
R
(
AlGaAs RED