7
AlGaAs Red
RATIO OF MAXIMUM OPERATING PEAK
CURRENT TO TEMPERATURE DERATED
MAXIMUM DC CURRENT
100
10
OPERATION IN
THIS REGION
REQUIRES
TEMPERATURE
DERATING
OF I
DC
MAX.
10
Z
kH
10
0
30
HZ
3k
HZ
1k
0H
Z
HZ
I
DC
MAX
I
PEAK
1
0.1
DC OPERATION
1
10
100
1000
10,000
t
P
– PULSE DURATION – µs
Figure 1. Maximum Allowed Peak Current vs. Pulse
Duration – AlGaAs Red.
I
F
– FORWARD CURRENT PER SEGMENT – mA
50
200
180
160
140
120
100
80
60
40
20
0
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
V
F
– FORWARD CURRENT – V
AlGaAs RED
I
DC
MAX – MAXIMUM DC CURRENT
PER SEGMENT – mA
45
40
35
30
25
20
15
10
5
0
10 20
30
40 50
60 70
80 90 100 110
Rθ
J-A
= 525°C/W
AlGaAs RED
T
A
– AMBIENT TEMPERATURE – °C
Figure 2. Maximum Allowable DC Current vs.
Ambient Temperature.
Figure 3. Forward Current vs. Forward Voltage.
2.50
2.25
RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1 AT 20 mA)
1.2
µ
PEAK
– RELATIVE EFFICIENCY
(NORMALIZED TO 1 AT 20 mA)
2.00
1.75
1.50
1.25
AlGaAs RED
1.00
0.75
0.50
0.25
0
0
5
10
15
20
25 30
35 40
1.1
1.0
AlGaAs RED
0.9
0.8
0.7
0.6
45
50
2
3 4 5
10
20 30 40 50
100
200
I
F
– FORWARD CURRENT PER SEGMENT – mA
I
PEAK
– PEAK FORWARD CURRENT PER SEGMENT
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. ]
