LED
Infrared LED
L2388 series
TO-46 style GaAs infrared LED
Features
Applications
l
High radiant output power
l
High reliability
l
Optical switches
l
Automatic control systems
l
Auto-focus
s
Absolute maximum ratings (Ta=25
°C)
Parameter
Forward current
Reverse voltage
Pulse forward current
Operating temperature
Storage temperature
Symbol
I
F
V
R
I
FP
Topr
Tstg
Condition
Value
80
5
1.0
-30 to +85
-40 to +100 *
Unit
mA
V
A
°C
°C
Pulse width=10 µs
Duty ratio=1 %
* L2388 is guaranteed to resist temperature cycle test of up to 5 cycles.
s
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
λp
∆λ
V
F
V
FP
I
R
φe
P
E
tr
tf
Condition
I
F
=50 mA
I
F
=50 mA
I
F
=50 mA
I
F
=1.0 A
V
R
=5 V
I
F
=50 mA
I
F
=50 mA
I
F
=50 mA, 10 to 90 %
I
F
=50 mA, 90 to 10 %
Min.
920
-
-
-
-
4.5
-
-
-
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
Min.
920
-
-
-
-
2.6
-
-
-
L2388-01
Typ.
945
45
1.3
2.3
-
3.4
1.4
1.2
1.3
Max.
970
-
1.4
2.9
5
-
-
2.0
2.0
Unit
nm
nm
V
V
µA
mW
mW/cm
2
µs
µs
HAMAMATSU [ HAMAMATSU CORPORATION ]
