1653nm DFB LD TO-CAN(TO56) CH4 gas sensor laser diode
Request a Quote
Download Datasheet
Specifications
| Parameter | Value |
|---|---|
| Reverse Voltage Reverse voltage Vr(LD) | max:2 V |
| Forward Current Forward Current If(LD) | max:100 mA |
| Case Temperature Warms of tube casings Tcase | min:-20 ℃; max:+70 ℃ |
| Storage Temperature Storage Temperature Tstg | min:-40 ℃; max:+85 ℃ |
| Lead Solder Temperature Weld temperature | max:260 ℃ |
| Lead Solder Time Welding Time | max:10 s |
| Threshold Current Threshold Electricity Ith [Ta=25℃ unless otherwise noted;T=25℃] | typical:14 mA; max:20 mA |
| Operating Current Operating Current Iop [Ta=25℃ unless otherwise noted;T=25℃] | min:35 mA; typical:65 mA; max:80 mA |
| Optical Output Power Output light power Pout [Ta=25℃ unless otherwise noted;Iop= 35mA] | min:3.5 mW; typical:5.0 mW |
| Spot Size Lightmark Size [Ta=25℃ unless otherwise noted;Optical path=80mm] | typical:1.5 mm; max:3 mm |
| Slope Efficiency Slash efficiency SE [Ta=25℃ unless otherwise noted;Iop= 35mA] | min:0.10 mW/ mA; typical:0.143 mW/ mA |
| Forward Voltage Forward Voltage Vf [Ta=25℃ unless otherwise noted;Iop= 35mA] | typical:1.4 V; max:1.6 V |
| Emission Wavelength Fire! Wavelength λC [Ta=25℃ unless otherwise noted;Iop= 35mA, Tc=60 °C] | min:1652.7 nm; max:1653.7 nm |
| Side-mode suppression Ratio Side Mode Suppression Ratio SMSR [Ta=25℃ unless otherwise noted;Iop= 35mA] | min:35 dB; typical:40 dB |
| Thermistor resistance Thermally sensitive electrical resistance. Rth [Ta=25℃ unless otherwise noted;25 °C] | min:9.5 KΩ; typical:10 KΩ; max:10.5 KΩ |
| B constant of Rth B Constant value [Ta=25℃ unless otherwise noted] | min:3800 K; typical:3930 K; max:4000 K |
| Rth Voltage Rth Electricity V(Rth) [60±5 °C] | typical:1.30 V; max:TBD |
| Rth Current Rth Electricity I(Rth) [60±5 °C] | typical:0.12 A; max:TBD |
Applications
● Photonic Sensing (gas) Photons. ( Gases ) ● Photonic Sensing (gas) Photons. ( Gases ) Specifications Specifications :
Key Features
● High-stability High stability ● 1653nm DFB laser with Heating Resistor It's got heat-retarded. 1653nm DFB Laser ● Low cost, high life Low cost 、 High life expectancy
Datasheet
Please provide your email to download the datasheet.
Your name
Email Address
Invalid email format. Please try again.
Send Request
Supplier Information
Established in early 2001, Xiamen Sanyou Optoelectronics Co., Ltd. operates an industrial park covering 50,000 square meters and employs more than 600 people. It is a high-tech enterprise specializing in the research, development, and production of high-speed semiconductor lasers/detectors, optical components, and optical modules. Its products are widely used in fields such as cloud computing, mobile communications, FTTH, and optical sensing.
Sanyou Optoelectronics has established the “Xiamen University–Sanyou Optoelectronics Technology R&D Center” and the “Joint Key Laboratory for Optical Component Testing between the Xiamen Municipal Government and Sanyou Optoelectronics.” Driven by innovation, the R&D team has led more than 20 projects, which have received support from national and provincial innovation funds and technology programs. Sanyou Optoelectronics holds 25 invention patents and more than 69 utility model patents. These research achievements have been scaled up to mass production and have become popular products in the market. Sanyou Optoelectronics has been recognized as a “Xiamen Innovative Enterprise” and a “Fujian Provincial Innovative Pilot Enterprise.”
As a leading supplier of optical communication products in China, Sanyou Optoelectronics has achieved large-scale production on automated, intelligent, and digitized production lines. The company possesses technical and market competitiveness advantages in high-speed optical communication components and has become one of the primary suppliers to leading domestic and international optical module manufacturers such as II-IV, MOLEX, Delta, Guangxun Technology, Newys, and Huagong Technology. Among these, its hermetically sealed VCSEL high-speed lasers account for approximately 70% of national shipments, with the company leading the domestic market in both shipment volume and product portfolio within this segment. Its high-speed VCSEL lasers have been awarded the title of “Fujian Province Manufacturing Single-Champion Product.”
Sanyou Optoelectronics serves as Vice President of the Xiamen Optoelectronics Industry Association, Vice Chair of the Cross-Strait Optical Communications Industry Alliance, and a member of the Fujian Province Mobile Communications Industry Alliance. The company has successfully hosted the Cross-Line Optical Communications Summit for six consecutive sessions, fostering exchange and cooperation with Taiwan’s optical communications industry. The company is committed to seizing the opportunity presented by the national drive to develop “new-quality productive forces.” Relying on core technologies in information optoelectronics, it is advancing a strategy of “one flagship, two wings.” The company will accelerate the completion of its industrial park, continue to collaborate with “Double First-Class” universities to introduce technology and talent, and vigorously pursue transformation and upgrading. In application areas such as gas sensing, ranging, and biomedical sensing, it aims to lead in R&D and automated mass production, become a market leader in its niche segments, and achieve rapid growth in both scale and profitability. In the era of AI transformation, the company aims to become a model of China’s new-quality productive forces, master core technologies—including chip design, laser light sources, and sensing detection—that meet internationally advanced standards, take the lead in developing market-driven products, and design and develop world-class optical sensing chips to replace imported products.
Contact Us
Loading...
GetExperimental Plan
Name
Phone
+86
Organization
Use Case

Global Photonics Products
Database Platform
Database Platform
With 16 years of experience, we provide high-quality products and services to universities, research institutes, and industry.
50+ Detailed Categories · 3,000+ Global Brands · 100,000+ Photonics Products
1 Million+
In-depth analysis of professional academic resources in photonics
300,000
ProductsDatasheets Available Free
We will keep your personal information strictly confidential.
Product Quote
+86
* Select the quoting party:
By submitting, you agree to the User Service Agreement and Privacy Policy