Optical switch, optocouplers, Optical sensors, IR receiver, emitter, LED displays

 Green 0603 1.6 x 0.8 mm 160° Diffused 18 mcd 2.2 V PCB Chip Surface Mount LED

https://www.futureelectronics.com/p/semiconductors--optoelectronics--leds/sml-lx0603gw-tr-lumex-7962061