透射式

Phototransistor - Photomicrosensor - Transmissive optical sensor – Pitch 3mm - PCB mount – 50 mA – 30 V

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

OPB960 Series 35 V 850 nm 40 mA Transmissive Photologic Slotted Optical Switch

Photointerrupter Transmissive 3.18mm Phototransistor 4-Pin Bag

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

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

Photomicrosensor - Transmissive - Slotted.

Photointerrupter Transmissive 3.18mm Phototransistor 4-Pin Bag

Slotted Optical Switch - NPN Phototransistor Output - Slot 0.13" Wide x 0.345" Deep - 24"/26AWG Wires

Photointerrupter Transmissive 3.18mm Phototransistor 4-Pin Bag