50pcs/lot LTE-304 side infrared emitting tube photodiode wavelength 850nm Lite-On DIP2 viewing angle ±30°
https://www.vogueparade.com/shopping/EN/150412/1/1005003420933083/50pcslot-lte-304-side-infrared-emitting-tube-photodiode-wavelength-850nm-lite-on-dip2-viewing-angle-30//