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With more than 27 years of proven reliability and expertise, TE has designed SpO2 sensors with best-in-class flexibility to accommodate multiple wavelength options.  Our ability to provide both components and complete sensor packages makes us a leading choice for pulse oximetry applications that require high degrees of precision, durability and performance. The ELM-4000 series emitter assemblies are specially designed for medical applications where selection of peak wavelength is a key requirement. Emission source material is GaAIAs in conjunction with GaAIP complete with clear epoxy lens.



  • Dual Drive 
  • Lead Frame Constructiont
  • Clear Epoxy
  • Low Cost
  • 660 nm ±3 nm Peak Wavelength Red LED
  • Three IR Wavelength Choices


  • Pulse Oximetry
  • Finger/Ear Probes
  • Disposable Strip or Butterfly  


Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Photo Optic Sensor Type  Photo Optic Components


  • Dimensions MM  4.4 x 5.1 x 1.9

Usage Conditions

  • Operating Temperature Range  -20 – 80 °C [ -4 – 176 °F ]

Packaging Features

  • Photo Optic Sensor Package  Lead Frame


  • Accuracy  Sensor Dependent

  • Range  660 nm / 880 nm, 660 nm / 905 nm, 660 nm / 940 nm

Reference Number

  • TE Internal Number CAT-PTO0001

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