H21A1 Slotted Optical Sensor OPTO Interrupter Sensor


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


Additional Info
  • Product image is for reference purpose only.
  • Prices shown are inclusive of GST.
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  • 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.


    • 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
    SKU: DSM036 Categories: ,

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