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L1915_15 Datasheet, PDF (1/4 Pages) Hamamatsu Corporation – Infrared LED | |||
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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 ï¬at 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 ï¬ux
Radiant illuminance
Rise time
Fall time
Symbol
Condition
λp IF=50 mA
âλ 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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