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