H21A3 - Photointerrupters
The H21Ax and H22Ax series of opaque photointerrupters are single channel switches consisting of a Gallium Arsenide infrared emitting diode and a NPN silicon photo transistor mounted in a polycarbonate housing.
The package is designed to optimise the mechanical resolution, coupling efficiency, ambie
H21A3 Features
* High Gain
* 3mm Gap between LED and Detector
* Polycarbonate Case Protection against Ambient Light
* Pb Free and RoHS Compliant
* Safety Approvals Pending APPLICATIONS
* Copiers, Printers, Facsimiles
* Record Players, Casette Decks
