OPB625 Optek, Through Hole Slotted Optical Switch, Buffer, Open-Collector with 10K Pull-Up Resistor Output

This series of Photologic® slotted optical switches, from Optek Technology, consist of an IR LED and a monolithic integrated circuit. This includes a photodiode, a linear amplifier and a Schmitt trigger on a single silicon chip.
These slotted optical switches feature a TTL/LSTTL compatible logic level output. They offer four output options.

Features of the slotted optical switches:
PCB mounted
Lead centers: 8.13 mm
Gap size: 4.83 mm
Enhanced signal to noise ratio

Slotted Optical Switches, Optek Technology