4
Figure 3. Relative luminous intensity vs. DC
forward current.
Figure 2. Forward current vs. forward voltage
characteristics.
Figure 4. Relative eciency (luminous intensity
per unit current) vs. peak LED current.
Figure 5. Maximum tolerable peak current vs.
pulse duration. (I
DC
MAX as per MAX ratings).
Figure 6. Relative luminous intensity vs. angular displacement.
Figure 1. Relative intensity vs. wavelength.
T-1 High Eciency Red Non-Diused
V
F
– FORWARD VOLTAGE – V
F
1.0 2.0 3.0 4.0 5.0
80
70
60
50
40
30
20
10
0
I
DC
– DC CURRENT PER LED – mA
RELATIVE LUMINOUS INTENSITY
(NORMALIZED AT 10mA)
0510 15 20 3025
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
I
PEAK
– PEAK CURRENT PER LED – mA
I
PEAK
– RELATIVE EFFICIENCY
010204050708030 60 90
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
t
p
– PULSE DURATION – µs
TOLERABLE PEAK CURRENT
TO MAXIMUM TOLERABLE
DC CURRENT
I
PEAK
MAX.
I
DC
MAX.
1.0 10 100 1,000 10,000
100 Hz
300 Hz
1 KHz
3 KHz
10 KHz
30 KHz
100 KHz
300 KHz
5
4
3
2
1
0° 20°
NON-DIFFUSED
40° 60° 80° 100°
0°
10°
20°
30°
40°
50°
60°
70°
80°
90°
.8
.6
.4
.2
1.0
V
F
– FORWARD VOLTAGE – V
I
F
– FORWARD CURRENT – mA
1.0 2.0 3.0 4.0 5.0
90
80
70
60
50
40
30
20
10
0
I
DC
– DC CURRENT PER LED – mA
RELATIVE LUMINOUS INTENSITY
(NORMALIZED AT 10mA)
0510 15 20 3025
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
I
PEAK
– PEAK CURRENT PER LED – mA
I
PEAK
– RELATIVE EFFICIENCY
010204050708030 60 90
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
V
F
– FORWARD VOLTAGE – V
I
F
– FORWARD CURRENT – mA
1.0 2.0 3.0 4.0 5.0
90
80
70
60
50
40
30
20
10
0
I
DC
– DC CURRENT PER LED – mA
RELATIVE LUMINOUS INTENSITY
(NORMALIZED AT 10mA)
0510 15 20 3025
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
I
PEAK
– PEAK CURRENT PER LED – mA
I
PEAK
– RELATIVE EFFICIENCY
010204050708030 60
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
t
p
– PULSE DURATION – µs
RATIO OF MAXIMUM
TOLERABLE PEAK CURRENT
TO MAXIMUM TOLERABLE
DC CURRENT
I
PEAK
MAX.
I
DC
MAX.
1.0 10 100 1,000 10,000
100 Hz
300 Hz
1 KHz
3 KHz
10 KHz
30 KHz
100 KHz
300 KHz
6
5
4
3
2
1
0° 20°
NON-DIFFUSED
40° 60° 80°
10°
20°
30°
40°
50°
60°
70°
80°
90°
.8
.6
.4
.2
1.0