H21A1 Slotted Optical Interrupter Sensor

SKU: VS00040

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Description

The H21A1 consist of a gallium arsenide infrared emitting diode coupled with a silicon phototransistor in a plastic housing. The packaging system is designed to optimize the mechanical resolution, coupling efficiency, ambient light rejection, cost and reliability. The gap in the housing provides a means of interrupting the signal with an opaque material, switching the output from an “ON” to an “OFF” state.

Technical Specification:

  • Configuration: Photointerupter
  • Peak Wavelength: 40 nm
  • Gap Width: 3 mm
  • Power Dissipation: 150 mW
  • Maximum Collector Emitter Voltage: 30 V
  • Maximum Emitter Collector Voltage: 5 V
  • Maximum Collector Current: 20 mA
  • Input Voltage: 1.2
  • Maximum Forward Current: 50 mA
  • Maximum Rise Time: 8 us
  • Maximum Fall Time: 50 us
  • Size: 24.7mm*6.35mm (L*W)

Features:

  • Opaque housing
  • Low cost
  • .035” apertures
  • High IC(ON)

Applications:

  • Record players
  • Optoelectronic switches
  • Copier
  • Printers

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