1512nm Butterfly Laser For Ammonia (NH₃) Gas Detection
Features Multi-Quantum Well (MQW) Distributed Feedback (DFB) lasers 14-pin butterfly package Built-in thermistor, and TEC Operating Temperature –20~ +70℃ Single-mode fiber pigtail Applications Optical fiber communication Optical instrument Optical fiber sensor Light sourc
- Product Introduction
Absolute Maximum Ratings
|
Parameter
|
Symbo
|
Min
|
Max
|
Unit
|
Condition
|
|
Operating Temperature Range
|
Tc
|
-20
|
+70 |
ºC
|
Continuous
|
|
Storage Temperature Range
|
T
STG
|
-40 |
+85
|
ºC
|
Continuous
|
|
Laser Reverse Voltage, DC
|
- | - | 2.0 |
V
|
- |
|
Laser Forward DC Current
|
- | - | 100 |
mA
|
- |
|
TEC voltage
|
VTEC
|
- | 2.6 |
V
|
- |
|
TEC Current
|
ITEC
|
- | 1.5 |
A
|
- |
|
Lead solder Temperature
|
- | - | 260 |
°C
|
- |
|
Lead Soldering Time
|
- | - | 10 |
s
|
- |
Transmitter Optical and Electrical Characteristics (Tc=25℃)
|
Parameter
|
Symbol
|
Min
|
Type
|
Max
|
Unit
|
Test Condition
|
|
Optical Output Power
|
PO
|
- |
10
|
- |
mW
|
CW,
|
|
Threshold Current
|
ITH
|
- | 8 | 15 |
mA
|
T=25 °C
|
|
Operating Voltage
|
VOP
|
- | 1.1 | 2.0 | V | - |
|
Operating Current
|
IOP
|
- | - | 100 |
mA
|
CW, T=25 °C
|
|
Center Wavelength
|
λc
|
λc-3
|
λc |
λc+3
|
nm
|
CW, T=25 °C
|
|
Sidemode Suppression Ratio
|
SMSR
|
35 | 40 | - |
dB
|
- |
|
Optical Isolation
|
ISO
|
30 | - | - |
dB
|
- |
|
Spectral Width (-20 dB)
|
Δλ
|
- | 0.1 | 1.0 |
nm
|
- |
|
Wavelength temperature coefficient
|
△λ/△T
|
- | 0.08 | 0.12 |
nm/°C
|
- |
|
Monitor Current
|
Imon
|
50 | - | 1500 |
μA
|
VR=5 V,
|
|
MPD Dark Current
|
ID
|
- | - | 50 |
nA
|
VR=5 V
|
|
Thermistor Resistance
|
RTH
|
9.5 | 10.0 | 10.5 |
KΩ
|
T=25 °C
|
|
Thermistor B-Value
|
β
|
- | 3950 | - |
K
|
25℃/85℃
|
Outline Diagram
Pin Assignments
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