High Efficiency Red (HER)
I
F
– FORWARD CURRENT PER SEGMENT – mA
MAXIMUM DC CURRENT PER SEGMENT – mA
30
HIGH EFFICIENCY RED (HER)
25
20
15
10
5
0
120
100
80
60
40
20
0
0
20
40
60
80
100
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
T
A
– AMBIENT TEMPERATURE – °C
V
F
– FORWARD VOLTAGE – V
Figure 1. Maximum allowable average or DC
current vs. ambient temperature.
Figure 2. Forward current vs. forward voltage.
1.4
RELATIVE EFFICIENCY
(NORMALIZED TO 1 AT 10 mA)
1.4
RELATIVE EFFICIENCY
(NORMALIZED TO 1 AT 10 mA)
1.2
1.0
0.8
0.6
0.4
0.2
0
0
5
10 15 20 25 30 35 40 45 50
1.2
1.0
0.8
0.6
0.4
0.2
0
0
5
10 15 20 25 30 35 40 45 50
I
PEAK
– PEAK FORWARD CURRENT
PER SEGMENT – mA
I
PEAK
– PEAK FORWARD CURRENT
PER SEGMENT – mA
Figure 3. Relative luminous intensity vs. DC
forward current.
Figure 4. Relative efficiency (luminous
intensity per unit current) vs. peak current.
6
HP [ AGILENT(HEWLETT-PACKARD) ]
