8
AlGaAs Red
Figure 1. Maximum Tolerable Peak Current vs. Pulse
Duration – AlGaAs Red.
I
DC
MAX. – MAXIMUM DC CURRENT
PER SEGMENT – mA
45
AlGaAs RED
40
35
30
25
20
15
10
5
0
20 30
40 50
60
70
Rθ
J-A
= 770°C/W
I
F
– FORWARD CURRENT PER SEGMENT – mA
50
160
140
120
AlGaAs RED
100
80
60
40
20
0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
V
F
– FORWARD VOLTAGE – V
80
90 100 110 120
T
A
– AMBIENT TEMPERATURE – °C
Figure 2. Maximum Allowable DC Current vs.
Ambient Temperature.
Figure 3. Forward Current vs. Forward Voltage.
RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1 AT 20 mA)
1.75
1.50
1.25
1.00
AlGaAs RED
0.75
0.50
0.25
0
0
5
10
15
20
25
30
35
40
I
F
– FORWARD CURRENT PER SEGMENT – mA
η
PEAK
– NORMALIZED RELATIVE EFFICIENCY
(NORMALIZED TO 1 AT 20 mA)
2.00
1.4
1.2
1.0
0.8
AlGaAs RED
0.6
0.5
1.0
2.0 5.0 10.0 20.0 50.0 150.0
30.0 100.0
3.0
500.0
I
PEAK
– PEAK FORWARD CURRENT
PER SEGMENT – mA
Figure 4. Relative Luminous Intensity vs. DC
Forward Current.
Figure 5. Relative Efficiency (Luminous Intensity
per Unit Current) vs. Peak Current.
ETC [ ETC ]
