L2656_15 Datasheet, PDF (1/4 Pages) Hamamatsu Corporation – Infrared LED

Infrared LED
L2656 series
High power GaAlAs infrared LED
Features
High radiant output power
High reliability
Applications
Optical switches
Automatic control system
Absolute maximum ratings (Ta=25 °C)
Parameter
Symbol
Condition
Value
Unit
Forward current
IF
80
mA
Reverse voltage
VR
5
V
Pulse forward current
IFP
Pulse width=10 μs
Duty ratio=1%
1.0
A
Operating temperature
Topr
Storage temperature
Tstg
-30 to +85
°C
-40 to +100*
°C
* 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
Min.
λp IF=50 mA
870
∆λ IF=50 mA
-
VF IF=50 mA
-
VFP IF=1 A
-
IR VR=5 V
-
ɸe IF=50 mA
13
PE IF=50 mA
-
tr IF=50 mA, 10 to 90%
-
tf IF=50 mA, 90 to 10%
-
L2656
Typ.
890
50
1.45
3.4
-
15
1.7
0.45
0.45
Max.
920
-
1.6
4.0
5
-
-
0.7
0.7
L2656-03
Min. Typ. Max.
870
890
920
-
50
-
-
1.45
1.6
-
3.4
4.0
-
-
5
7.5
9
-
-
4.4
-
-
0.45
0.7
-
0.45
0.7
Unit
nm
nm
V
V
μA
mW
mW/cm²
μs
μs
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