Features
(1)Small double-end package
(2)High reliability
(3)Low forward voltage
(4)Good spectral matching to Si photodetector
(5)Pb free
(6)The product itself will remain within RoHS compliant version.
Descriptions
IR91-21C is an infrared emitting diode in miniature SMD package which is molded in a water clear plastic with
spherical top view lens. The device is spectrally matched with silicon photodiode and phototransistor.

Applications
(1)PCB mounted infrared sensor
(2)Infrared emitting for miniature light barrier
(3)Floppy disk drive
(4)Optoelectronic switch
(5)Smoke detector
(6)Device Selection Guide