L8245_06 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – Infrared LED

LED
Infrared LED
L8245
Peak emission wavelength: 1.65 µm
L8245 is a long-wavelength infrared LED using an InGaAs chip. The peak emission occurs at a wavelength near the methane gas absorption
band, making L8245 ideal for a light source for methane gas detection.
Features
l Peak emission wavelength: 1.65 µm
l High radiant output
Applications
l Light source for methane gas detection
s Absolute maximum ratings (Ta=25 °C, unless otherwise noted)
Parameter
Symbol
Condition
Reverse voltage
VR Max.
Forward current
IF
Forward current decrease rate
-
Pulse forward current
IFP
Pulse width=10 µs
Duty ratio=1 %
Pulse forward current decrease rate -
Power dissipation
P
Operating temperature
Topr
Storage temperature
Tstg
*1: Guaranteed to resist temperature cycle test of up to 5 cycles.
Value
1
80
1.1
1.0
13
150
-30 to +85
-40 to +100 *¹
Unit
V
mA
mA/°C
A
mA/°C
mW
°C
°C
s Electrical and optical characteristics (Ta=25 °C)
Parameter
Symbol
Condition
Min.
Typ.
Peak emission wavelength
λp IF=50 mA
1.6
1.65
Spectral half width
Radiant flux
Forward voltage
∆λ IF=50 mA
φe IF=50 mA
VF IF=50 mA
-
130
0.5
0.8
-
1.0
Reverse current
Cut-off frequency
IR VR=1 V
-
-
fc IF=50 mA±10 mAp-p, *²
1
3
*2: Frequency at which the optical output decreases by -3 dB versus a reference output level at 100 kHz.
Max.
1.7
-
-
1.5
10
-
Unit
µm
nm
mW
V
µA
MHz
L8245 may be damaged or performance may deteriorate due to static electricity, so use caution when handling.
1