Datasheet

7
AlGaAs Red
Figure 3. Relative Luminous Intensity vs. DC Forward Current. Figure 4. Relative E ciency (Luminous Intensity per Unit Current) vs. Peak
Current.
I
F
– FORWARD CURRENT PER SEGMENT – mA
0
0
V
F
– FORWARD VOLTAGE – V
160
100
60
2.0 4.0
80
20
1.0 3.0
40
AlGaAs RED
0.5 1.5 2.5 3.5
120
140
RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1 AT 20 mA)
0
0
I
F
– FORWARD CURRENT PER SEGMENT – mA
2.00
1.50
1.25
0.75
0.25
20 40
1.75
1.00
0.50
10 30
5152535
AlGaAs RED
1.4
0.5
I
PEAK
– PEAK FORWARD CURRENT PER SEGMENT – mA
0.6
0.8
1.0
1.2
150.05.0
K
PEAK
– NORMALIZED RELATIVE EFFICIENCY
(NORMALIZED TO 1 AT 20 mA)
1.0 3.0 10.0 30.0 100.0 500.0
AlGaAs RED
Figure 1. Maximum Tolerable Peak Current vs. Pulse Duration – AlGaAs Red. Figure 2. Forward Current vs. Forward Voltage.
HER, Orange, Yellow, Green
RATIO OF MAXIMUM OPERATING PEAK CURRENT TO TEMPERATURE DERATED DC CURRENT
I
F
PEAK
I
DC
MAX
RATIO OF MAXIMUM OPERATING PEAK CURRENT TO TEMPERATURE DERATED DC CURRENT
I
F
PEAK
I
DC
MAX
t
P
– PULSE DURATION – Pst
P
– PULSE DURATION – Ps
10
1
100
OPERATION IN THIS
REGION REQUIRES
TEMPERATURE
OPERATING OF I
DC
MAXIMUM
OPERATION IN THIS
REGION REQUIRES
TEMPERATURE
OPERATING OF I
DC
MAXIMUM
DC OPERATION
10 kHz
3 kHz 1 kHz
300 Hz
100 Hz
10 kHz
3 kHz
1 kHz
300 Hz
100 Hz
10
1
100
1000010 10001001
DC OPERATION
100001000100110
Figure 5. Maximum Tolerable Peak Current vs. Pulse Duration – HER, Orange.
Figure 6. Maximum Tolerable Peak Current vs. Pulse Duration – Yellow.