OPB870 Series 30 V 890 nm 50 mA Phototransistor Slotted Optical Switch

Mfr Part#: OPB870N55
Mounting Method:  PCB Mount
Packaging:  BULK
Std Packaging Qty:  1



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$1.70 USD (each)
250 - 399 $1.70 (Save 8%)
400+ $1.51 (Save 18%)


Qty in Stock : 0
Factory Stock : N/A
Factory Lead-Time: N/A
Min. Order Qty: 250
Multiple of: 1
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Product Highlight

  • Type: Photointerrupter (Slotted Switch)
  • Wavelength: 890 nm
  • CE Voltage-Max: 30 V
  • Forward (Drive) Current: 50 mA
  • Power Dissipation: 100 mW

The OPB870N55 is a part of OPB870 series 890 nm 50 mA 50 V slotted optical switch with 0.050” or 1.270 mm emitter sensor.

This series of device comes in standard housing with a 0.125” (3.18mm) wide slot, the user can specify output logic state, output driver circuit, aperture width, aperture surface and mounting tab locations.

The device body is an opaque plastic which minimizes sensitivity to both visible and near-infrared external light sources which may impact operation. Wide electrical output current ranges are available.


  • 0.125” (3.175 mm) slot width
  • Choice of aperture (0.050” or 0.010” width)
  • Choice of opaque or IR transmissive shell material
  • Choice of mounting configurations
  • Choice of lead spacing or wires


  • Non-contact object sensing
  • Assembly line automation
  • Machine automation
  • Equipment safety
  • Machine safety

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For more information, please call 1-800-675-1619

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