Technical Data Sheet1206 Package Chip Infrared LED With Inner LensIR11-21CFeatures ․Small double-end package ․High reliability ․Low forward voltage ․Good spectral matching to Si photodetector ․Pb free Descriptions IR11-21C is an infrared emitting diode in miniature SMD package which is molded in a water clear plastic With flat top view lens. The device is spectrally matched with silicon photodiode and phototransistor. Applications ․PCB mounted infrared sensor ․Infrared emitting for miniature light barrier ․Floppy disk drive ․Optoelectronic switch ․Smoke detector Device Selection GuideChipLED Part No.Lens ColorMaterial IR GaAlAs Water Clear Everlight Electronics Co., Ltd. http:\\www.everlight.com Rev 2.2 Page: 1 of 9 Device No:DIR-011-062 Prepared date:07-22-2004 Prepared by:Jaine Tsai