OPB360T51 Optek, Screw Mount Slotted Optical Switch, Phototransistor Output

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OPB804 Optek, Panel Mount Slotted Optical Switch, Transistor Output

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OPB810W51Z Optek, Through Hole Slotted Optical Switch, Transistor Output

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Optek OPV332 Laser Diode 860nm 1.5mW, 2-Pin T-1 package

Optek OPV302 Laser Diode 860nm 1.5mW, 3-Pin TO-46 package

OPB941W51Z Optek, Panel Mount Slotted Optical Switch, Transistor Output