透射式

Slotted Optical Switch - NPN Phototransistor Output - Slot 0.20" Wide x 0.25" Deep - PCB Through Holes

Photologic® Slotted Optical Switch - Totem Pole Output - 24"/26AWG Wires

Photologic® Slotted Optical Switch - Buffered Open Collector Output - PCB Through Hole

Wide Slotted Optical Switch - 890nm Emitter - Phototransistor Output - Slot 0.375 Wide 0.43 Deep - PCB Through Ho ...

Slotted Switch, T Package

Photointerrupter Transmissive 5.08mm Photologic, Pull up 5-Pin Bag

Photointerrupter Transmissive 3.18mm Phototransistor 4-Pin Bag

Photointerrupter Transmissive 3.18mm Phototransistor 4-Pin Bag

Photointerrupter Transmissive 3.18mm Phototransistor 4-Pin

Opto Interrupter Module With NPN Transistor