Infrared Light Emitting Diodes
LN66F
IF — Ta
60
50
40
30
20
10
0
– 25 0
20 40 60 80 100
Ambient temperature Ta (˚C )
IFP — Duty cycle
10 2
tw = 10µs
Ta = 25˚C
10
1
10 –1
10 –2
10 –3
10 –2
10 –1
1
10
10 2
Duty cycle (%)
IF — VF
80
Ta = 25˚C
70
60
50
40
30
20
10
0
0
0.4
0.8
1.2
1.6
Forward voltage VF (V)
∆Ie — IFP
VF — Ta
∆Ie — Ta
10 3
(1) tw = 10µs
1.6
f = 100Hz
(2) DC
Ta = 25˚C
10
IF = 50mA
IF = 50mA
10 2
1.2
(1)
10
0.8
10mA
1
1
(2)
0.4
10 –1
10 –2
1
10
10 2
10 3
10 4
Pulse forward current IFP (mA)
0
– 40
0
40
80
120
Ambient temperature Ta (˚C )
10 –1
– 40
0
40
80
120
Ambient temperature Ta (˚C )
λP — Ta
Spectral characteristics
1000
100
IF = 50mA
IF = 50mA
Ta = 25˚C
980
80
960
60
940
40
920
20
900
– 40
0
40
80
120
Ambient temperature Ta (˚C )
0
860 900 940 980 1020 1060 1100
Wavelength λ (nm)
Directivity characteristics
0˚
10˚ 20˚
100
90
80
30˚
70
60
40˚
50
40
50˚
30
60˚
20
70˚
80˚
90˚
2