Panasonic Infrared Light Emitting Diodes LN77L User Manual Page 2

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SHC00023CED
This product complies with the RoHS Directive (EU 2002/95/EC).
LN77L
2
Ambient temperature T
a
(°C)
Forward current I
F
(mA)
120
100
80
60
40
20
0
0 20 40 60 80 100
25
10
2
10
1
Pulse forward current I
FP
(mA)
Relative radiant power P
O
10
3
10
2
10
2
10
1
1 10
(1) t
W
= 10 µs
f = 100 Hz
(2) DC
T
a
= 25°C
2.2
1.8
1.4
1.0
0.6
Ambient temperature T
a
(°C)
Forward voltage V
F
(V)
40 0 40 80 120
I
F
= 100 mA
50 mA
Duty cycle (%)
Pulse forward current I
FP
(A)
t
W
= 10 µs
T
a
= 25°C
10
2
10
1
10
1
10 10
2
1
10
2
10
1
10
4
10
3
10
2
1
10
Forward voltage V
F
(V)
Pulse forward current I
FP
(mA)
1 3 52 4
10
1
0
t
W
= 10 µs
f = 100 Hz
T
a
= 25°C
(1)
(2)
10
1
Ambient temperature T
a
(°C)
I
F
= 50 mA
Relative radiant power P
O
40 0 40 80
10
1
920
900
880
860
840
820
Ambient temperature T
a
(°C)
I
F
= 50 mA
Peak emission wavelength λ
P
(nm)
40 0 40 80 120
100
60
80
40
20
Wavelength λ (nm)
Relative radiant intensity (%)
800 850 900 950 1 000 1 050
0
750
I
F
= 50 mA
T
a
= 25°C
20
90
100
80
70
60
50
40
30
Relative radiant intensity (%)
0° 10° 20°
30°
40°
50°
60°
70°
80°
90°
I
F
T
a
I
FP
Duty cycle
I
FP
V
F
P
O
I
FP
V
F
T
a
P
O
T
a
λ
P
T
a
Relative radiant intensity
λ Directive characteristics
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