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
FA901
Thorlabs FA901 — Fiber Optic Sacrificial Interface / Attenuator, 980 - 1550 nm, ≤1.0 dB, FC/PC
The Thorlabs FA901 is a fiber optic sacrificial interface and attenuator operating across the 980 to 1550 nm wavelength range with an insertion loss of ≤1.0 dB and an FC/PC connector configuration. Originally released on February 20, 2018, this component was officially discontinued by Thorlabs on December 11, 2019, though its final web presentation remains accessible for reference. Submit the exact part number, quantity, and application requirements to request a formal quote for this discontinued item.
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
- FA901
- Product series
- Fiber Optic Sacrificial Interface / Attenuator, 980 - 1550 nm, ≤1.0 dB, FC/PC
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to FA901.
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
- Fiber Optic Sacrificial Interface / Attenuator, 980 - 1550 nm, ≤1.0 dB, FC/PC
- Lifecycle Status
- Discontinued
- FA901 was discontinued on December 11, 2019.
- View its last web presentation.
- Last Web Presentation
- Open
- Release Date
- February 20, 2018
- Discontinued Date
- December 11, 2019
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 FA901. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.