IR emitter, Infrared Transceiver, Programmable emitter, Infrared motion detector

 850 nm 80 uA 2 nA 60 deg Surface Mount Silicon PIN Photodiode - DIL-SMT-2

https://www.futureelectronics.com/p/semiconductors--optoelectronics--infrared-emitters-detectors/q65110a1209-ams-osram-1170755