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 DET50B is a germanium detector with a spectral range of 800 to 1800 nm, a 455 ns rise time, and an active area of 19.6 mm², featuring 8-32 taps as originally presented on February 15, 2006. Although this component has been discontinued by the manufacturer, last web presentation records remain accessible for historical reference. Submit the exact part number, quantity, and application requirements to request a formal quotation.
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 DET50B. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.