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L1915_15 Datasheet, PDF (1/4 Pages) Hamamatsu Corporation – Infrared LED
Infrared LED
L1915 series
TO-46 type GaAlAs infrared LED
The L1915 is mounted on a TO-46 metal stem potted with clear epoxy resin. The L1915-01 is encapsulated in a TO-46 package
sealed with a glass lens window. The L1915-02 is also encapsulated in a TO-46 package but sealed with a flat glass window.
Features
High radiant output power
Direct modulation possible
High reliability and long life
Applications
Automatic control systems
Optical switches
Mark sensors
Optical remote control
Absolute maximum ratings (Ta=25 °C)
Parameter
Symbol
Condition
Value
Unit
Forward current
IF
100
mA
Reverse voltage
VR
5
V
Pulse forward current
IFP
Pulse width=10 μs
Duty ratio=1%
1.5
A
Operating temperature
Topr
Storage temperature
Tstg
-30 to +85
°C
-40 to +100*
°C
* The L1915 is guaranteed to resist temperature cycle test of up to 5 cycles.
Note: Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the
product within the absolute maximum ratings.
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
Condition
λp IF=50 mA
∆λ IF=50 mA
VF IF=50 mA
VFP IF=1.5 A
IR VR=5 V
ɸe IF=50 mA
PE IF=50 mA
tr IF=50 mA, 10 to 90%
tf IF=50 mA, 90 to 10%
L1915
Min. Typ. Max.
870 890 920
- 80 -
- 1.4 1.5
- 3.1 3.8
- -5
8 10 -
- 1.0 -
- 0.45 0.7
- 0.45 0.7
L1915-01
Min. Typ. Max.
870 890 920
- 80 -
- 1.4 1.5
- 3.1 3.8
- -5
3.6 4.5 -
- 2.7 -
- 0.45 0.7
- 0.45 0.7
L1915-02
Min. Typ. Max.
870 890 920
- 80 -
- 1.4 1.5
- 3.1 3.8
- -5
3.6 4.5 -
- 1.0 -
- 0.45 0.7
- 0.45 0.7
Unit
nm
nm
V
V
μA
mW
mW/cm2
μs
μs
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