H21A1 Slotted Optical Sensor OPTO Interrupter Sensor

SKU: SM0040

Product specifications

  • Product type: H21A1 Optical sensor
  • Colour: Black as shown in image
  • Pin counts: 4
  • Package contains: 1 X H21A1 Optical Sensor – Slotted OPTO Interrupter

**Product image is for reference purpose only. Actual product may differ from image shown.


H21A1 is an optical sensor consists of gallium arsenide infrared emitting diode, which is coupled with silicon phototransistor in a plastic housing. the sensor design has features like optimizing the mechanical resolution, coupling efficiency, ambient light rejection, cost, and reliability. The housing has a gap, which provides a means of interrupting signal with an opaque material and switches the output from ON to OFF state

SKU: SM0040 Categories: ,
  • Sensing distance: 3mm
  • Sensing method: transmissive
  • Output configurations: phototransistor
  • Maximum emitter collector breakdown voltage: 30V
  • Maximum DC forward current: 50mA
  • Maximum collector current: 20mA
  • Response time: 8-15µ
  • Mounting type: through hole
  • Package type: slotted

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