photointerrupters

Optical Sensor - 0.160" (4.06mm) - Through-Beam - Phototransistor Output - 50 mA (If)(Max) - 30 mA (Ic)(Max) - 30 ...

Photointerrupter Transmissive 3.18mm Photologic, Open Collector, Inverter 5-Pin Bag

Slotted Optical Switch - Phototransistor Output - Slot 0.155" Wide x 0.33" Deep - PCB Through Hole

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

Optical Switches, Transmissive, Photo IC Output Photologic Slotted Opt Switch

Photointerrupter Transmissive 3.18mm Phototransistor 4-Pin Bag

Photointerrupter Transmissive 3.18mm Phototransistor 4-Pin

Photointerrupter Transmissive 2.03mm Phototransistor 4-Pin

Slot-type Photomicrosensor

Photointerrupter Transmissive 3.6mm Photologic, Open Collector 3-Pin