1. Silicon Photodiode - 650nm
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    Silicon Photodiode - 650nm

    Model PD-SI
    Price:   US$92.90
    Available Options:
    Detector Area:
    Receptacle Type:
    Reviews (1)

This silicon photodiode has a wide operating wavelength range. It is suitable to detect light at visible wavelength to near infrared. One of its applications is working as the detector unit for optical power meters for 635nm or 650nm lasers.


  • Low dark current
  • High reliability and accuracy


  • Optical power meters
  • Lab R&D


Types of Receptacle (Fiber pigtailed version is also available)

Universal Adapter Package for FC, SC or ST connectors

Pin Allocation (Bottom View)

Please note above pin allocation is sample only. Special pin allocation can be requested. Refer to the test data sheet attached with each photodiode for its pin allocation.

Ordering Information:

e: Type of the photodiode. e=R for receptacle type; e=P for fiber pigtailed type.
a: Type of the receptacle (or connector type, for fiber pigtailed version), a=FC for FC receptacle; a=SC for SC receptacle; a=ST for ST receptacle; a=U for universal adapter type; a=FA for FC/APC connector, etc.
B: Detector active area: b=1 for 500μm diameter; b=2 for 3.6x3.6mm. Please note for fiber pigtailed photodiode, only b=1 is available.

Example: PD-SI-R-SC-1

650nm optical power meter photodetector, silicon photodiode

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