( 4 PCS ) OPTEK OPB876N55 Transmissive Slotted Optical Switch

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OPB490T11Z Slotted Optical Switch FNIP

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OMRON EE-SV3 3.4mm Slot Type Optical Sensor w/Phototransistor Output, New QTY-5

OPTEK / TT ELECTRONICS OPB840L55 SLOTTED OPTICAL SWITCH **10 PIECE LOT***

5Pcs TCRT5000L Infrared IR Optical Emitter / Sensor Photodiode Phototransistor