10pcs/lot SFH487-3 Infrared emission tube is used for high-speed photoelectric interrupters, industrial electronic products
https://www.vogueparade.com/shopping/EN/150412/1/1005003420889566/10pcslot-sfh487-3-infrared-emission-tube-is-used-for-high-speed-photoelectric-interrupters-industrial-electronic-products//