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LN51F Datasheet, PDF (2/2 Pages) Panasonic Semiconductor – GaAs Infrared Light Emitting Diodes
LN51F, LN51L
Infrared Light Emitting Diodes
IF — Ta
120
100
80
60
40
20
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 –1
1
10
10 2
Duty cycle (%)
IF — VF
120
Ta = 25˚C
100
80
60
40
20
0
0
0.4 0.8 1.2 1.6 2.0
Forward voltage VF (V)
IFP — VF
10 4
10 3
10 2
10
1
10 –1
0
tw = 10µs
Duty Cycle = 0.1%
Ta = 25˚C
1
2
3
4
5
Forward voltage VF (V)
∆PO — IFP
∆PO — Ta
10
10 3
(1) tw = 10µs
Duty Cycle = 0.1%
(2) DC
Ta = 25˚C
IF = 100mA
10 2
(1)
10
1
1
(2)
10 –1
10 –2
1
10
10 2
10 3
10 4
Pulse forward current IFP (mA)
10 –1
– 40
0
40
80
Ambient temperature Ta (˚C )
Spectral characteristics
100
IF = 100mA
Ta = 25˚C
80
60
40
20
0
800 850 900 950 1000 1050 1100
Wavelength λ (nm)
Directivity characteristics
0˚
10˚ 20˚
100
Ta = 25˚C
LN51F
90
80
30˚
70
60
LN51L
40˚
50
40
50˚
30
60˚
20
70˚
80˚
90˚
Frequency characteristics
10 2
Ta = 25˚C
10
1
10 –1
10 –2
10
10 2
10 3
10 4
Frequency f (kHz)
2