H21A4 - PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH

Fairchild Semiconductor

The H21A4 by Fairchild Semiconductor is a PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH. Below is the official datasheet preview.

Datasheet Details

Part number	H21A4
Manufacturer	Fairchild Semiconductor
File Size	101.11 KB
Description	PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH
Datasheet	H21A4_FairchildSemiconductor.pdf
Additional preview pages of the H21A4 datasheet.

The H21A series are gallium arsenide infrared emitting diode coupled with a silicon photodarlington in a plastic housing.

Opaque housing.
Low cost.
.035” apertures.
High IC(ON)  2001 Fairchild Semiconductor Corporation DS300291 6/05/01 1 OF 4 www. fairchildsemi. com.

📁 H21A4 Similar Datasheet

Other Datasheets by Fairchild Semiconductor

Published: Mar 22, 2005 |