OPB820S Datasheet, Equivalent, Optical Switch.

Slotted Optical Switch

Part OPB820S
Description Slotted Optical Switch
Feature Slotted Optical Switch OPB820S, OPB821Z, OPB821S_Z Features: • Non-contact switching • Four standard aperture sizes for high resolution • Low profile • 0.080” (2.03 mm) wide, 0.250” (8.89 mm) deep slot • Choice of PCBoard or wire mountings OPB820S OPB821Z Description: Each OPB820S and OPB821Z device consists of an infrared emitting diode (LED, 890 nm center wavelength) and a NPN silicon phototransistor mounted in a low-cost black plastic housing on opposite sides of an 0.080” (2.03 mm) wide slot. Each device in this series has a 0.040” (1.02 mm) wide aperture located in front of the infrare.
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