LED
Infrared LED
L1915 series
TO-46 type GaAlAs infrared LED
L1915 is mounted on a TO-46 metal stem potted with clear epoxy resin. L1915-01 is encapsulated in a TO-46 package sealed with a glass lens
window. L1915-02 is also encapsulated in a TO-46 package but sealed with a flat glass window.
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
°C)
Parameter
Forward current
Reverse voltage
Pulse forward current
Operating temperature
Storage temperature
Symbol
I
F
V
R
I
FP
Topr
Tstg
Condition
Value
100
5
1.5
-30 to +85
-40 to +100 *
Unit
mA
V
A
°C
°C
Pulse width=10 µs
Duty ratio=1 %
* L1915 is guaranteed to resist temperature cycle test of up to 5 cycles.
s
Electrical and optical characteristics (Ta=25
°C)
Parameter
Peak emission wavelength
Spectral half width
Forward voltage
Pulse forward voltage
Reverse current
Radiant flux
Radiant illuminance
Rise time
Fall time
Symbol
λp
∆λ
V
F
V
FP
I
R
φe
P
E
tr
tf
L1915
L1915-01
L1915-02
Unit
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
I
F
=50 mA
870 890 920 870 890 920 870 890 920
nm
I
F
=50 mA
-
80
-
-
80
-
-
80
-
nm
I
F
=50 mA
-
1.4 1.5
-
1.4 1.5
-
1.4 1.5
V
I
F
=1.5 A
-
3.1 3.8
-
3.1 3.8
-
3.1 3.8
V
V
R
=5 V
-
-
5
-
-
5
-
-
5
µA
I
F
=50 mA
8
10
-
3.6 4.5
-
3.6 4.5
-
mW
I
F
=50 mA
-
1.0
-
-
2.7
-
-
1.0
-
mW/cm
2
I
F
=50 mA, 10 to 90 %
-
0.45 0.7
-
0.45 0.7
-
0.45 0.7
µs
I
F
=50 mA, 90 to 10 %
-
0.45 0.7
-
0.45 0.7
-
0.45 0.7
µs
Condition
1
HAMAMATSU [ HAMAMATSU CORPORATION ]
