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.

Thorlabs
The Thorlabs FBH1650-12 is a hard-coated bandpass filter featuring a diameter of 25 mm, a center wavelength (CWL) of 1650 nm, and a full width at half maximum (FWHM) of 12 nm, with each unit weighing 0.10 lbs as of its August 15, 2022 release date. Lifecycle status for this component is subject to current manufacturer documentation. Request a quote by submitting the exact part number, quantity, and application requirements.
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.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
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.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Thorlabs FBH1650-12. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.