LED
Infrared LED
L1909
TO-46 type GaAlAs infrared LED
Features
Applications
l
High radiant output power
l
Direct modulation possible
l
High reliability and long life
l
Auto-focus
l
Automatic control systems
l
Optical switches
l
Mark sensors
l
Optical remote control
s
Absolute maximum ratings (Ta=25
擄C)
Parameter
Forward current
Reverse voltage
Symbol
I
F
V
R
I
FP
Topr
Tstg
Condition
Pulse forward current
Operating temperature
Storage temperature
Pulse width=10 碌s
Duty ratio=1 %
Value
80
5
1.0
-30 to +85
-40 to +100 *
Unit
mA
V
A
擄C
擄C
* Guaranteed to resist temperature cycle test of up to 5 cycles.
s
Electrical and optical characteristics (Ta=25
擄C)
Parameter
Peak emission wavelength
Spectral half width
Forward voltage
Pulse forward voltage
Reverse current
Radiant flux
Radiant illuminance
Rise time
Fall time
Symbol
位p
鈭單?/div>
V
F
V
FP
I
R
蠁e
P
E
tr
tf
Condition
I
F
=50 mA
I
F
=50 mA
I
F
=50 mA
I
F
=1.0 A
V
R
=5 V
I
F
=50 mA
I
F
=50 mA
I
F
=50 mA, 10 to 90 %
I
F
=50 mA, 90 to 10 %
Min.
870
-
-
-
-
8
-
-
-
Typ.
890
80
1.4
2.8
-
10
1.0
0.45
0.45
Max.
920
-
1.5
3.4
5
-
-
0.7
0.7
Unit
nm
nm
V
V
碌A
mW
mW/cm
2
碌s
碌s
1
2
