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.

FEATUREs
• Small double-end package
• High reliability
• Low forward voltage
• Good spectral matching to Si photodetector
• Pb free
• The product itself will remain within RoHS compliant version.

APPLICATIONs
• PCB mounted infrared sensor
• Infrared emitting for miniature light barrier
• Floppy disk drive
• Optoelectronic switch
• Smoke detector