10pcs/lot SFH303-1/4 silicon NPN phototransistor wavelength 850nm infrared photosensitive receiving diode osram
https://www.vogueparade.com/shopping/EN/150412/1/1005003420844750/10pcslot-sfh303-14-silicon-npn-phototransistor-wavelength-850nm-infrared-photosensitive-receiving-diode-osram//