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 APD120A is a silicon avalanche photodetector featuring a 400 to 1000 nm wavelength range and 8-32 taps, released on November 22, 2013. Officially discontinued on July 27, 2020, this component has been succeeded by the APD130A. Submit your exact part number, quantity, and application requirements to request a quote for available stock.
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 APD120A. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.