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
FELH1900
Thorlabs FELH1900 — Ø25.0 mm Longpass Filter, Cut-On Wavelength: 1900 nm
Thorlabs FELH1900 is the exact manufacturer part number for Ø25.0 mm Longpass Filter, Cut-On Wavelength: 1900 nm. Submit the exact part number, quantity, destination, and application details for an RFQ.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Thorlabs
- Part number
- FELH1900
- Product series
- Ø25.0 mm Longpass Filter, Cut-On Wavelength: 1900 nm
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to FELH1900.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
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 FELH1900. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.