Panasonic Infrared Light Emitting Diodes LN77L - Manual (Page 2)

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 5 2 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