PLASTIC SILICON INFRARED PHOTOTRANSISTOR EMITTER COLLECTOR SCHEMATIC DESCRIPTION The QSD122/123/124 is a phototransistor encapsulated in an infrared transparent, black T-1 3/4 package. QSD122 QSD123 QSD124 2001 Fairchild Semiconductor Corporation DS300361 7/20/01 1 OF 4 www.fairchildsemi.com Datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice to improve the design. Obsolete Not In Production Datasheet contains specifications on a product that is discontinued by Fairchild Semiconductor. The datasheet is for reference information only. Rev. I77 ® PHOTOTRANSISTOR DATASHEET Datasheet(PDF) - Sharp Electrionic Components - GP1S36J0000F Datasheet, Phototransistor Output, Phototransistor Output, with Tilt Direction (3-direction) Detecting, Hamamatsu Corporation - S2829 Datasheet, Altera Corporation - EP4CE30F29C6N Datasheet This phototransistor responds to visible light as well as the lower infrared range. While not a drop-in replacement for a CdS-cell photoresistor, this RoHS compliant phototransistor can be used in many similar circuits and applications. Ir phototransistor available at Jameco Electronics. Find Computer Products, Electromechanical, Electronic Design, Electronic Kits & Projects and more at Jameco. Get same day shipping, find new products every month, and feel confident with our low Price guarantee. 1-16 of 288 results for "ir phototransistor" Skip to main search results Amazon Prime. Eligible for Free Shipping. Free Shipping by Amazon.