Datasheet

7
Figure 2. Maximum allowable DC current vs. ambient
temperature.
Figure 5. Relative eciency (luminous intensity per
unit current) vs. peak current.
Figure 4. Relative luminous intensity vs. DC forward
current.
Figure 3. Forward current vs. forward voltage.
Figure 1. Maximum allowed peak current vs. pulse duration – AlGaAs Red.
AlGaAs Red
45
20 40 70 80 9060503010
0
40
50
T
A
– AMBIENT TEMPERATURE – °C
35
30
25
20
15
10
5
100 110
I
DC
MAX – MAXIMUM DC CURRENT
PER SEGMENT – mA
AlGaAs RED
Rθ
J-A
= 525°C/W
180
0.5 1.5 3.0 3.5 4.02.52.01.00
0
160
200
V
F
– FORWARD CURRENT – V
140
120
100
80
60
40
20
4.5 5.0
I
F
– FORWARD CURRENT PER SEGMENT – mA
AlGaAs RED
Figure 5.
2.25
515 3035402520100
0
2.00
2.50
1.75
1.50
1.25
1.00
0.75
0.50
0.25
45 50
I
F
– FORWARD CURRENT PER SEGMENT – mA
RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1 AT 20 mA)
AlGaAs RED
2 30 40 200
0.7
0.6
0.8
0.9
1.2
1.1
1.0
I
PEAK
– PEAK FORWARD CURRENT PER SEGMENT
10050205
4310
AlGaAs RED
μ
PEAK
– RELATIVE EFFICIENCY
(NORMALIZED TO 1 AT 20 mA)
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