Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
Reference imageConfirm configuration by manufacturer part number.
Thorlabs
DFB1550L
Thorlabs DFB1550L — 1550 nm, 20 mW (Min), Butterfly DFB Laser, SM Fiber, FC/APC, Internal Isolator
The Thorlabs DFB1550L is a 1550 nm, 20 mW (Min) Butterfly DFB Laser featuring SM Fiber, FC/APC, and an internal isolator, with a package weight of 1.54 lbs and a release date of May 6, 2025, while its lifecycle status refers to current manufacturer documentation. Submit the exact part number, quantity, and application requirements for a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Thorlabs references — within one business day.
- Manufacturer
- Thorlabs
- Part number
- DFB1550L
- Product series
- 1550 nm, 20 mW (Min), Butterfly DFB Laser, SM Fiber, FC/APC, Internal Isolator
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to DFB1550L.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Product Name
- 1550 nm, 20 mW (Min), Butterfly DFB Laser, SM Fiber, FC/APC, Internal Isolator
- Lifecycle Status
- Refer to current manufacturer documentation
- Release Date May 6, 2025
- Package Weight 1.54 lbs
- Release Date
- May 6, 2025
- Package Weight
- 1.54 lbs
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Thorlabs DFB1550L. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.