Everlight ir333 ir led emitter 940nm 20 5mm radial everlight ir333 an infrared emitting diode in a standard 5mm through hole package this high intensity diode is spectrally matched with phototransistor photodiode and infrared receiver modules typical applications for this device include free air transmission systems optoelectronic switches floppy disk drives infrared applied systems smoke detectors etc everlight ir333 ir led emitter 940nm 20 5mm radial