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L2388_15 Datasheet, PDF (1/4 Pages) Hamamatsu Corporation – Infrared LED
Infrared LED
L2388 series
TO-46 type GaAs infrared LED
Features
High radiant output power
High reliability
Applications
Optical switches
Automatic control systems
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
* The L2388 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
Min.
λp IF=50 mA
920
∆λ IF=50 mA
-
VF IF=50 mA
-
VFP IF=1.0 A
-
IR VR=5 V
-
ɸe IF=50 mA
4.5
PE IF=50 mA
-
tr IF=50 mA, 10 to 90%
-
tf IF=50 mA, 90 to 10%
-
L2388
Typ.
945
45
1.3
2.3
-
6.0
0.6
1.2
1.3
Max.
970
-
1.4
2.9
5
-
-
2.0
2.0
L2388-01
Min. Typ. Max.
920
945
970
-
45
-
-
1.3
1.4
-
2.3
2.9
-
-
5
2.6
3.4
-
-
1.4
-
-
1.2
2.0
-
1.3
2.0
Unit
nm
nm
V
V
μA
mW
mW/cm2
μs
μs
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