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lifecyclephase: revision : 3 expired period: forever release date:2013-06-03 17:41:55.0 1 copyright ? 2013, everlight all rights reserved. release date :5/30/2013. issue no: dir-0000946 rev 3 www.everlight.com 1.9mm round subminiature ? gull wing?lead infrared led ir91-21c/tr7 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/tr7 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 part category chip material lens color ir gaalas water clear
lifecyclephase: revision : 3 expired period: forever release date:2013-06-03 17:41:55.0 data sheet 1.9mm round subminiature ? gull wing?lead infrared led ir91-21c/tr7 2 copyright ? 2013, everlight all rights reserved. release date : 5/30/2013. issue no: dir-0000946 rev 3 www.everlight.com package dimensions notes: 1.all dimensions are in millimeters 2.tolerances unless dimensions ? 0.1mm
lifecyclephase: revision : 3 expired period: forever release date:2013-06-03 17:41:55.0 data sheet 1.9mm round subminiature ? gull wing?lead infrared led ir91-21c/tr7 3 copyright ? 2013, everlight all rights reserved. release date : 5/30/2013. issue no: dir-0000946 rev 3 www.everlight.com absolute maximum ratings (ta=25
) parameter symbol rating units continuous forward current i f 65 ma reverse voltage v r 5 v operating temperature t opr -25 ~ +85
storage temperature t stg -40 ~ +85
soldering temperature *1 t sol 260
power dissipation at(or below) 25
free air temperature p d 130 mw notes: *1: soldering time 5 seconds. electro-optical characteristics (ta=25
) parameter symbol condition min. typ. max. units i f =20ma 3.0 5.0 -- radiant intensity i e i f =100ma pulse width 100 ? s ,duty 1% -- 25 -- mw /sr peak wavelength ? p i f =20ma -- 940 -- nm spectral bandwidth ? i f =20ma -- 45 -- nm forward voltage v f i f =20ma -- 1.2 1.5 v reverse current i r v r =5v -- -- 10 ? a view angle 2 1/2 i f =20ma -- 25 -- deg
lifecyclephase: revision : 3 expired period: forever release date:2013-06-03 17:41:55.0 data sheet 1.9mm round subminiature ? gull wing?lead infrared led ir91-21c/tr7 4 copyright ? 2013, everlight all rights reserved. release date : 5/30/2013. issue no: dir-0000946 rev 3 www.everlight.com 1 i f -forward current (ma ) 10 10 0 10 1 10 2 3 10 4 i e - r a d i a n t i n t e n s i t y ( m w / s r ) 10 100 1000 0 20 40 60 80 100 i f =20ma ta=25 c 880 980 900 920 940 960 1020 1000 1040 0 10 10 1 10 2 3 10 4 1 2 3 4 typical electro-optical characteristics curves fig.1 forward current vs. fig.2 spectral distributio n ambient temperature fig.3 forward current fig.4 relative intensity vs. vs. forward voltage forward current
lifecyclephase: revision : 3 expired period: forever release date:2013-06-03 17:41:55.0 data sheet 1.9mm round subminiature ? gull wing?lead infrared led ir91-21c/tr7 5 copyright ? 2013, everlight all rights reserved. release date : 5/30/2013. issue no: dir-0000946 rev 3 www.everlight.com -20 0.6 0.9 0.7 0.8 1.0 0.2 0.4 0 0.2 0.4 0.6 50 70 80 60 40 30 -10 0 20 10 typical electro-optical characteristics curves fig.5 relative radiant intensity vs. angular displacement
lifecyclephase: revision : 3 expired period: forever release date:2013-06-03 17:41:55.0 data sheet 1.9mm round subminiature ? gull wing?lead infrared led ir91-21c/tr7 6 copyright ? 2013, everlight all rights reserved. release date : 5/30/2013. issue no: dir-0000946 rev 3 www.everlight.com precautions for use 1. over-current-proof customer must apply resistors for protection , otherwise slight voltage shift will cause big current change ( burn out will happen ). 2. storage 2.1 do not open moisture proof bag before the products are ready to use. 2.2 before opening the package: the leds should be kept at 30
or less and 90%rh or less. 2.3 after opening the package: the led's floor life is 168 hours under 30
or less and 60% rh or less. if unused leds remain, it should be stored in moisture proof packages. 2.4 if the moisture absorbent material (silica gel) has faded away or the leds have exceeded the storage time, baking treatment should be performed using the following conditions. baking treatment : 60 ? 5
for 24 hours. 3. soldering condition 3.1 pb-free solder temperature profile 3.2 reflow soldering should not be done more than two times. 3.3 when soldering, do not put stress on the leds during heating. 3.4 after soldering, do not warp the circuit board.
lifecyclephase: revision : 3 expired period: forever release date:2013-06-03 17:41:55.0 data sheet 1.9mm round subminiature ? gull wing?lead infrared led ir91-21c/tr7 7 copyright ? 2013, everlight all rights reserved. release date : 5/30/2013. issue no: dir-0000946 rev 3 www.everlight.com 4.soldering iron each terminal is to go to the tip of soldering iron temperature less than 350
for 3 seconds within once in less than the soldering iron capacity 25w. leave two seconds and more intervals, and do soldering of each terminal. be careful because the damage of the product is often started at the time of the hand solder. 5.repairing repair should not be done after the leds have been soldered. when repairing is unavoidable, a double-head soldering iron should be used (as below figure). it should be confirmed beforehand whether the characteristics of the leds will or will not be damaged by repairing.
lifecyclephase: revision : 3 expired period: forever release date:2013-06-03 17:41:55.0 data sheet 1.9mm round subminiature ? gull wing?lead infrared led ir91-21c/tr7 8 copyright ? 2013, everlight all rights reserved. release date : 5/30/2013. issue no: dir-0000946 rev 3 www.everlight.com package dimensions note: the tolerances unless mentioned is ? 0.1mm ,unit = mm carrier tape dimensions:loaded quantity 1000 pcs per reel note: the tolerances unless mentioned is ? 0.1mm ,unit = mm
lifecyclephase: revision : 3 expired period: forever release date:2013-06-03 17:41:55.0 data sheet 1.9mm round subminiature ? gull wing?lead infrared led ir91-21c/tr7 9 copyright ? 2013, everlight all rights reserved. release date : 5/30/2013. issue no: dir-0000946 rev 3 www.everlight.com label form specification cpn: customer?s production number p/n : production number qty: packing quantity cat: ranks hue: peak wavelength ref: reference lot no: lot number notes 1. above specification may be changed without notice. everlight will reserve authority on material change for above specification. 2. when using this product, please observe the absolute maximum ratings and the instructions for using outlined in these specification sheets. everlight assumes no responsibility for any damage resulting from use of the product which does not comply with the absolute maximum ratings and the instructions included in these specification sheets. 3. these specification sheets include materials protected under copyright of everlight corporation. please don?t reproduce or cause anyone to reproduce them without everlight?s consent. everlight electronics co., ltd. tel: 886-2-2685-6688 office: no. 6-8, zhonghua rd., shulin dist., fax: 886-2685-2699 d 6897 new taipei city 23860, taiwan http://www.everlight.com

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