Vishay VCNT2025X01 Reflective Optical Sensor

Vishay VCNT2025X01 Reflective Optical Sensor


Vishay VCNT2025X01 Reflective Optical Sensor is a reflective sensor in a miniature SMD package. It has a compact construction where the emitting light source and the detector are arranged in the same plane. The operating infrared wavelength is 940nm. The detector consists of a silicon phototransistor. The sensor analog output signal (photocurrent) is triggered by the detection of reflected infrared light from a close-by object.


  • Package type SMD
  • Detector type phototransistor
  • Dimensions (L x W x H) 2.5mm x 2mm x 0.6mm
  • Emitter wavelength 940nm
  • Moisture sensitivity level (MSL) 3
  • AEC-Q101 qualified

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Mike is the founder and editor of, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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