L E D
Infrared LED
L2388 series
TO-46 style GaAs infrared LED
Features
Applications
High radiant output power
High reliability
Optical switches
Automatic control systems
Auto-focus
ꢀꢀAbsolute maximum ratings (Ta=25 °C)
Parameter
Forward current
Reverse voltage
Symbol
Condition
Value
80
Unit
mA
V
IF
VR
5
Pulse width=10 µs
Duty ratio=1 %
Pulse forward current
IFP
1.0
A
Operating temperature
Storage temperature
Topr
Tstg
-30 to +85
°C
°C
-40 to +100 *
* L2388 is guaranteed to resist temperature cycle test of up to 5 cycles.
ꢀꢀElectrical and optical characteristics (Ta=25 °C)
L2388
Typ.
L2388-01
Typ.
Parameter
Symbol
Condition
Unit
nm
Min.
920
Max.
970
Min.
920
Max.
970
Peak emission
wavelength
IF=50 mA
945
945
λp
Spectral half width
Forward voltage
Pulse forward voltage
Reverse current
Radiant flux
IF=50 mA
-
45
1.3
2.3
-
-
-
45
1.3
2.3
-
-
nm
V
∆λ
VF
VFP
IR
IF=50 mA
-
1.4
2.9
5
-
1.4
2.9
5
IF=1.0 A
-
-
V
VR=5 V
-
-
µA
IF=50 mA
4.5
6.0
0.6
1.2
1.3
-
2.6
3.4
1.4
1.2
1.3
-
mW
mW/cm2
µs
φe
PE
tr
Radiant illuminance
Rise time
IF=50 mA
-
-
-
-
-
-
-
-
IF=50 mA, 10 to 90 %
IF=50 mA, 90 to 10 %
2.0
2.0
2.0
2.0
Fall time
tf
µs
HAMAMATSU [ HAMAMATSU CORPORATION ]
