By Vishay Semiconductor / Opto Division 78


Vishay's VEMD11940FX01 is a high-speed and high-sensitive PIN photodiode in a miniature side looking, surface-mount package (SMD) with daylight blocking filter. Filter is matched with IR emitters operating at a wavelength of 830 nm to 950 nm. The photo sensitive area of the chip is 0.053 mm2.

Features and Benefits

  • Package type: surface-mount
  • Package form: side view
  • Dimensions (L x W x H in mm): 3 x 2 x 0.6
  • AEC-Q101 qualified
  • High radiant sensitivity
  • Daylight blocking filter matched with 830 nm to 950 nm IR emitters
  • Angle of half sensitivity: Π = ±75°
  • Package matched with IR emitter VSMB11940X01
  • Floor life: 168 h, MSL 3, according to J-STD-020
  • Lead (Pb)-free reflow soldering


  • High-speed photo detector
  • Infrared remote control
  • Infrared data transmission
  • Photo interrupters
  • IR touch panels

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