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Quadrant Silicon PIN Photodiodes

IFW Optronics GmbH is the leading manufacturer of high performance quadrant silicon PIN photodiodes.
 
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The quadrant photodiodes are used for a variety of alignment applications including laser beams and position sensing. They are available in 2.5, 5.0 and 7.9 mm diameter active areas.
 

Quadrant Photodetector Features

  • Si-PIN photodiode
  • Spectral range 400 - 1100 nm
  • Hermetic sealed in TO-8 packages
Applications
  • Position sensing of laser beams
  • Autocollimators
  • X-Y coordinate measurements
  • Position sensing applications

Quadrant Photodiodes

Click on the part numbers below to view datasheets.
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Part
Number		 Active Area
Diameter
mm		 Individual
Quadrant Area
mm2		 Spectral
Range - nm		 Package
JQ 5P 2.5 1.25 400 - 1100 TO-5
JQ 20P 5.0 4.9 TO-8
JQ 50P 7.9 12.5
 

Quadrant Silicon PIN Photodiodes with Integrated Amplifiers
JQI 5P 2.5 1.25 400 - 1100 Special
See Drawing
JQI 50P 7.9 12.5

Technical Notes:

Detector Performance Terminology