Name: QCK4
SKU: QCK4-358016

The QCK4 by Fairchild Semiconductor is a PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH. Below is the official datasheet preview.

Datasheet Details

Part number	QCK4
Manufacturer	Fairchild Semiconductor
File Size	299.34 KB
Description	PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH
Datasheet	QCK4_FairchildSemiconductor.pdf
Additional preview pages of the QCK4 datasheet.

QCK4 Product details

The QCK3/QCK4 is a slotted opticalswitch designed for surface mount applications where extreme temperatures are experienced during solder reﬂow.

Unique single piece housing designed to reduce cost.
High temperature housing material to withstand extreme temperature.
Shipped in plastic tubes for protection of leads and to feed automatic placement equipment.
Sensor package is infrared transparent and tinted to attenuate visible light. © 2002 Fairchild Semiconductor Corporation Page 1 of 3 5/13/02.