L E D
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
High radiant output power
Direct modulation possible
High reliability and long life
Auto-focus
Automatic control systems
Optical switches
Mark sensors
Optical remote control
Absolute maximum ratings (Ta=25 °C)
■
Parameter
Forward current
Reverse voltage
Symbol
IF
VR
Condition
Value
100
5
Unit
mA
V
Pulse width=10 µs
Duty ratio=1 %
Pulse forward current
IFP
1.5
A
Operating temperature
Storage temperature
Topr
Tstg
-30 to +85
-40 to +100 *
°C
°C
* L1915 is guaranteed to resist temperature cycle test of up to 5 cycles.
Electrical and optical characteristics (Ta=25 °C)
■
L1915
L1915-01
L1915-02
Parameter
Symbol
Condition
IF=50 mA
IF=50 mA
IF=50 mA
IF=1.5 A
VR=5 V
IF=50 mA
IF=50 mA
Unit
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
870 890 920 870 890 920 870 890 920
Peak emission wavelength
Spectral half width
Forward voltage
Pulse forward voltage
Reverse current
Radiant flux
Radiant illuminance
Rise time
Fall time
nm
nm
V
V
µA
λp
∆λ
VF
VFP
IR
-
-
-
-
8
-
80
1.4 1.5
3.1 3.8
-
-
-
-
-
80
1.4 1.5
3.1 3.8
-
-
-
-
-
80
1.4 1.5
3.1 3.8
-
-
5
-
-
-
5
-
-
-
5
-
-
10
1.0
0.45 0.7
0.45 0.7
3.6 4.5
3.6 4.5
mW
mW/cm2
µs
φe
PE
tr
-
-
-
2.7
0.45 0.7
0.45 0.7
-
-
-
1.0
0.45 0.7
0.45 0.7
IF=50 mA, 10 to 90 %
IF=50 mA, 90 to 10 %
-
-
tf
µs
1