English
Language : 

L2388 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – TO-46 style GaAs infrared LED
LED
Infrared LED
L2388 series
TO-46 style GaAs infrared LED
Features
l High radiant output power
l High reliability
Applications
l Optical switches
l Automatic control systems
l Auto-focus
s 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
-30 to +85
°C
Storage temperature
Tstg
-40 to +100 *
°C
* L2388 is guaranteed to resist temperature cycle test of up to 5 cycles.
s Electrical and optical characteristics (Ta=25 °C)
Parameter
Symbol
Condition
Min.
Peak emission
wavelength
λp IF=50 mA
920
Spectral half width
∆λ IF=50 mA
-
Forward voltage
VF IF=50 mA
-
Pulse forward voltage VFP IF=1.0 A
-
Reverse current
IR VR=5 V
-
Radiant flux
φe IF=50 mA
4.5
Radiant illuminance
PE IF=50 mA
-
Rise time
tr IF=50 mA, 10 to 90 % -
Fall time
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.
Unit
920
945
970
nm
-
45
-
nm
-
1.3
1.4
V
-
2.3
2.9
V
-
-
5
µA
2.6
3.4
-
mW
-
1.4
-
mW/cm2
-
1.2
2.0
µs
-
1.3
2.0
µs