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