5
Red, AlGaAs Red
I
PEAK
MAX RATIO OF MAXIMUM OPERATING
PEAK CURRENT TO TEMPERATURE
I
DC
MAX
DERATED MAXIMUM DC CURRENT
20
15
12.5
10
8
6
5
4
3
2
1.5
1
1
10
100
1000
10000
DC OPERATION
I
PEAK
MAX RATIO OF MAXIMUM OPERATING
PEAK CURRENT TO TEMPERATURE
I
DC
MAX
DERATED MAXIMUM DC CURRENT
OPERATION IN THIS
REGION REQUIRES
TEMPERATURE
DERATING OF I
DC
MAX
10
9
8
7
6
5
4
3
E
EFR
f-R z
H
100
Hz
300
Hz
1K
z
3KH
Hz
10 K
E
EFR
f-R z
H
100
3KH
z
300
1K
t
P
– PULSE DURATION – µSEC
Figure 1. Maximum Tolerable Peak Current vs. Pulse
Duration – Red.
η
PEAK
– RELATIVE EFFICIENCY (NORMALIZED TO
1 AT 20 mA FOR RED: AT 1mA FOR AlGaAs RED)
40
I
DC
MAX – MAXIMUM DC CURRENT
PER SEGMENT – mA
I
F
– FORWARD CURRENT PER SEGMENT – mA
10
KH
z
Hz
OPERATION IN THIS
REGION REQUIRES
TEMPERATURE
DERATING OF I
DC
MAX
R
θ
J-A = 600°C/W
35
30
25
20
15
10
5
0
25
35
45
55
65
75
85
95
105
AlGaAs RED
RED
T
A
– AMBIENT TEMPERATURE – °C
Figure 3. Maximum Allowable DC
Current vs. Ambient Temperature.
T
JMAX
= 100
°
C for Red and
T
JMAX
= 110
°
C for AlGaAs Red.
Hz
R
SH
ATE
SH
TE
RA
2
1
1
10
100
1000
10000
DC OPERATION
t
P
– PULSE DURATION – µs
Figure 2. Maximum Tolerable Peak Current vs. Pulse
Duration – AlGaAs Red.
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0
20
40
60
80
100 120 140 160
AlGaAs RED
RED
160
140
RED
120
100
80
60
40
AlGaAs RED
20
0
0
0.5 1.0
1.5
2.0
2.5
3.0
3.5 4.0
I
PEAK
– PEAK SEGMENT CURRENT – mA
V
F
– FORWARD VOLTAGE – V
Figure 4. Relative Efficiency
(Luminous Intensity per Unit
Current) vs. Peak Current.
Figure 5. Forward Current vs.
Forward Voltage.
1.4
RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1.0 AT 20 mA)
RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1 AT 1mA)
20
10
5
2
1
1.2
1.0
0.8
0.6
0.4
0.2
0
0
5
10
15
20
25
0.1
0.1
0.2
0.5
1
5
10
20
I
F
– FORWARD CURRENT PER SEGMENT – mA
IF – FORWARD CURRENT PER SEGMENT
Figure 6. Relative Luminous Intensity
vs. DC Forward Current – Red.
Figure 7. Relative Luminous Intensity
vs. DC Forward Current – AlGaAs.
For a Detailed Explanation on the Use of Data Sheet Information and Recommended Soldering Procedures,
See Application Note 1005.
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
