Kingbright KTIR0611S Photointerrupter

Kingbright Transistor/Darlington Photointerrupters - Kingbright KTIR0611S, This 1.2V photo interrupter from Kingbright is ultra-small, which means there is minimal influence from stray light. Suitable for use with optical control equipment, cameras and floppy disk drives. Kingbright KTIR0611S Photointerrupter

Price: 1.48 from Rapid Online Rapid Electronics Ltd.