Technical Data Sheet
1.9mm Round Subminiature Axial Infrared LED
IR91-21C
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.
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
․PCB
mounted infrared sensor
․Infrared
emitting for miniature light barrier
․Floppy
disk drive
․Optoelectronic
switch
․Smoke
detector
Device Selection Guide
LED Part No.
IR
Chip
Material
GaAlAs
Lens Color
Water Clear
Everlight Electronics Co., Ltd.
Device No：DIR-091-027
http:\\www.everlight.com
Prepared date：07-20-2005
Rev 3
Page: 1 of 9
Prepared by：Jaine Tsai
EVERLIGHT [ EVERLIGHT ELECTRONICS CO., LTD ]
