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.
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Thorlabs
DFB1550
Thorlabs DFB1550 — 1555 nm, 100 mW (Min), Butterfly DFB Laser, SM Fiber, FC/APC, Internal Isolator
The Thorlabs DFB1550 is a butterfly DFB laser featuring a 1555 nm wavelength, 100 mW minimum output power, single-mode fiber, an FC/APC connector, and an internal isolator. Released on September 15, 2022, this component has a package weight of 0.33 lbs, with lifecycle status available in current manufacturer documentation. Submit the exact part number, quantity, and application requirements to request 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
- DFB1550
- Product series
- 1555 nm, 100 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 DFB1550.
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
- 1555 nm, 100 mW (Min), Butterfly DFB Laser, SM Fiber, FC/APC, Internal Isolator
- Lifecycle Status
- Refer to current manufacturer documentation
- Release Date September 15, 2022
- Package Weight 0.33 lbs
- Release Date
- September 15, 2022
- Package Weight
- 0.33 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 DFB1550. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.