L9338_15 Datasheet, PDF (1/4 Pages) Hamamatsu Corporation – Infrared LED

Infrared LED
L9338
For optical switches
The L9338 is an infrared LED developed for optical switches and is available at a low cost due to the improved manufacturing
process.
Features
High reliability
Low price
Applications
Optical switches
Absolute maximum ratings (Ta=25 °C, unless otherwise noted)
Parameter
Symbol
Condition
Value
Unit
Reverse voltage
VR
5
V
Forward current
IF
80
mA
Forward current reduction rate - Ta>25 °C
1.1
mA/°C
Pulse forward current
IFP
Pulse width=10 μs
Duty ratio=1%
1.0
A
Pulse forward current reduction rate - Ta>25 °C
13
mA/°C
Power dissipation
P
150
mW
Operating temperature
Topr
-30 to +85
°C
Storage temperature
Tstg
-40 to +100 *¹
°C
*1: 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
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 A
-
Reverse current
IR VR=5 V
-
Radiant flux
ɸe IF=50 mA
10
Cutoff frequency*²
fc IF=50 mA ± 4 mAp-p
0.1
*2: Frequency at which the optical output drops by 3 dB from that at 10 kHz
Typ.
945
60
1.34
3.1
-
15
0.3
Max.
Unit
970
nm
-
nm
1.42
V
3.8
V
5
μA
-
mW
-
MHz
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