1 ? sample approval sheet ? (product type): smd ? (product name): 3528 ?? ? (p art no.): wejt285m - 2b1f - 2d1 ? (sample no.): ( acknoledgement numbers): t20120628002 ?? signatures ? (approved) (checked) ? (drawn) ? customer ?( corporation): ? (material no.): (part no.): ?? customer signatures ??? 21 factory add:21st bld yulv 6th industrial park,gen yu road gongming new district,shenzhen, guang dong china (tel) 0755- 29785600 29785800 (fax) 0755 -29785100 ? (contact person): ? (web site) www.wej.cn (mail) sale@yongerjia.com ??? : ( - eceltronic co., ltd smd wej electronic co.,ltd
2 part no.:wejt285m-2b1f- 2d1 feature *3.5mmx 2.8 mm smt le d, 1.85 mm thickness * 3.5x2.8x1.85mm smt *low power consumption *? *long life - solid state reliability * *available on tape and reel *? *rohs compliant * rohs ? descriptions *the white red amber pure green blue * ????? source colo r devices are made with ingan ???? ingan algainp/gaas algainp/gaas ingan algainp/gaas algainp/gaas gan light emitting diode. ingan gan ??? package outline dimensions ??? note: 1.all dimensions are in millimet ers (mm) 2. x.x is +/ -0.1mm,x.xx is +/- 0.05mm unless otherwise noted 3. the device has a sigle mounting surface,the device must be mounted according to the specifications. polarity anode cathode 2.6 1.5 1.5 1.85 2.4 2.2 2.8 3.2 cathode mark recommended soldering pad ??? : ( - ( & ( / 7 5 2 1 , & & 2 / 7 ' 6 0 ' wej electronic co.,ltd
3 electrical characteristics data sheet selection guide part no. ??? emitted col or ? resin color ? viewing angle(1) ?? 21/2 WEJT285M-2B1F-2D1 ? ? 120 notes: 1. 1/2 is the angle from optical centerline where the luminous intensity is 1/2 of the optical peak value. absolute maximum ratings at ta=25 ? parameter symbol ? value ? unit power dissipation ? pd 120 mw dc forward current if 30 ma peak forward current 1 ? ifp 100 ma reverse voltage( ? ) vr 5 v electro - static - discharge (2) hbm esd 1000 v operating temperature ?? topr -25to+85 storage temperature ?? tstg -40to+100 lead solder temperature ?? tsol 250 for 5sec notes: 1.1/10 duty cycle,0.1ms pulse width 2.the products are sensitive to static electricity and must be carefully taken when handling products. electr ical/optical characteristiecs ta=25 notes: 1.forward voltage:0.1v 2.wavelength: 1.5nm 3.luminous intensity/luminous flux: 10% parameter symbol ? condition value ? unit min. typ. max. forward voltage ? vf if= 2 0ma -- 3.2 3.6 v luminous intensity ?? iv if= 2 0ma -- -- -- mcd lum inou s flux ( ? ) if= 2 0ma -- 7.5 -- lm re verse current ir vr=5v -- -- 10 ua dominant wavelength d if= 2 0ma -- -- -- nm peak wavelength ? p if= 2 0ma -- -- -- nm chromaticity coordinate( ? ) x if= 2 0ma -- 0.44 -- -- y if= 2 0ma -- 0.41 -- -- color temperature( ? ) tc if= 2 0ma -- 3000 -- k color rendering index( ?? ) ra if= 2 0ma -- 68 -- -- spectrum line half width( ? ) ? if= 2 0ma -- -- -- nm ??? : ( - eceltronic co., ltd smd wej electronic co.,ltd
4 typical electro- optical characteristics cu rve s part no.:wejt285m-2b1f- 2d1 typical spatial distribution 10 20 30 40 50 2.8 3.2 3.6 4.0 4.4 5040302010 2.0 1.0 100 80604020 50 40 30 20 10 0.5 1.0 1.5 2.0 2.5 0 20 40 60 80 0.5 0 30 40 60 80 10 20 50 70 90 0 0.5 1.0 90 80 70 60 50 40 30 20 10 1.0 0 0 -20 0 0 0 0 forward current vs. forward voltage forward voltage(v) forward current(ma) relative luminous intensity forward current(ma) forward current derating curve forward current(ma) ambient temperature( c) relative luminous intensity relative luminous intensity vs. ambient temperature ambient temperature( c) relative luminous intensity emiting light angle( ) relative luminous intensity vs. forward current ??? : ( - eceltronic co., ltd smd wej electronic co.,ltd
5 bin range of technical data sheet part no.:wejt285m-2b1f- 2d1 bin range of forward voltage < vf ? bin ? > bin range of luminous intensity < ?? bin ? > bin range of chromaticity coordinates block < ? bin ? > the cie 1931 chromaticity diagram bin range of chromaticity coordinates notes: 1 tolerance of forward voltage for each bin limit is 0.1v. 2 tolerance of luminous intensity for each bin limit is 10%. 3 tol erance of x/y for each bin limit is 0.005. voltage code ?? intensity code( ?? ) group forward voltage group luminous flux min max min max 1 3.0 3.2 1 6 7 2 3.2 3.4 2 7 8 3 3.4 3.6 3 8 9 4 4 bin x y bin x y 31s 0.4299 0.4165 30r 0.4387 0.4197 0.4375 0.4340 0.4469 0.4375 0.4469 0.4375 0.4562 0.4408 0.4387 0.4197 0.4474 0.4228 31a 0.4223 0.3990 30c 0.4305 0.4019 0.4299 0.4165 0.4387 0.4197 0.4387 0.4197 0.4474 0.4228 0.4305 0.4019 0.4386 0.4048 29p 0.4474 0.4228 0.4562 0.4408 0.4656 0.4442 0.4562 0.4260 29e 0.4386 0.4048 0.4474 0.4228 0.4562 0.4260 0.4468 0.4077 28s 0.4562 0.4260 0.4656 0.4442 0.4744 0.4462 0.4646 0.4280 28a 0.4468 0.4077 0.4562 0.4260 0.4646 0.4280 0.4546 0.4095 28a 28s 29e 29p 31a 30c 31s 30r 0.41 0.43 0.45 0.47 0.39 0.41 0.43 0.45 3100k- 3225k 2975k- 3100k 2850k- 2975k 2750k- 2850k ??? : ( - ( & ( / 7 5 2 1 , & & 2 / 7 ' 6 0 ' wej electronic co.,ltd
6 reliability test items and conditions ( ? ) 1 test items and result( ? ) 2 criteria for judging damage ?? notes: u.s.l. : u pper standard level l.s.l .: l ower standard level test item ? ref.standard ? test condition note ? number of damaged resis t ance to soldering heat ? jes d22-b106 t sld= 260 ,10 sec 2 times 0/22 temperature cycle ? jes d22-a104 - 40 30min 5min 100 30min 1000 c y cle 0/100 thermal s h ock ? jes d22-a106 - 4 0 1 5 min 10 0 1 5 min 1000 c y cle 0/100 high temperature 2 jes d22-a103 t a =10 0 1000 h rs 0/100 low tempe rature 2? jes d22-a119 t a =-40 1000 h rs 0/100 power tem p era t ure c ycli ng ?? jes d22-a105 on 5m i n - 4 0 > 1 5min <15min off5 min 1 00 >1 5min 1000 c y cle 0/100 lift test jes d22-a108 t a =2 5 i f =20ma 1000 h rs 0/100 high humidity heat lift test ??? jes d22-a101 60 rh=90 if=20ma 1000 h rs 0/100 item ? symbol t est conditions criteria for j udgment ?? m in m ax forward voltage ? vf if=20ma -- u.s.l*)1.1 reverse current ir vr=5v -- u.s.l*)2.0 luminous intensity ? iv if=20ma l.s.l** )0.7 -- ??? : ( - eceltronic co., ltd smd wej electronic co.,ltd
7 packaging dimensions specification ( ? ) 1 carrier tape dimensions( ?? ) notes: 1)all dimensions are in millimeters 2)tolerance is 0.25 unless otherwise noted 2 details of carrier tape( ? ) notes: a empty tape;b loading tape;c empty tape. 3 reel dimensions( ?? ) wej pass qa rohs ? ? part no.):xxxxxxx ?? part no.):xxxxxxxxx vf(v):xx-xx lm:xx-xx ? tc) xxxx-xxxx(xxx) (qty):xxxpcs ? date):xxxx-xx-xx tel):86-755-29785600 fax):86-755-29785100 ? web):www.wej.cn shen xhen yong er jia electronic co., ltd ??? 2 4 8 3.5 1.75 c b a ??? : ( - ( & ( / 7 5 2 1 , & & 2 / 7 ' 6 0 ' wej electronic co.,ltd
8 packaging dimensions specification ( ? ) 4 mo isture - proof and anti - static electricity ( ? ) 5 label( ? ) label explanation: vf:forward voltage( ? ) tc color temperature( ? )/wavelength( ) lm:luminous flux( ? )/lumious intensity( ? ) wej pass qa rohs ? ? part no.):xxxxxxx ?? part no.):xxxxxxxxx vf(v):xx-xx lm:xx-xx ? tc) xxxx-xxxx(xxx) (qty):xxxpcs ? date):xxxx-xx-xx tel):86-755-29785600 fax):86-755-29785100 ? web):www.wej.cn shen xhen yong er jia electronic co., ltd ??? ??? shen xhen yong er jia electronic co., ltd ? part no.):xxxxxxx ?? part no.):xxxxxxxxx vf(v):xx-xx lm:xx-xx ? tc) xxxx-xxxx(xxx) (qty):xxxpcs ? date):xxxx-xx-xx tel):86-755-29785600 fax):86-755-29785100 ? web):www.wej.cn ? rohs qa pass wej aluminum moisture-proof bag label desiccant label wej pass qa rohs ? shen xhen yong er jia electronic co., ltd ??? ? part no.):xxxxxxx ?? part no.):xxxxxxxxx vf(v):xx-xx lm:xx-xx ? tc) xxxx-xxxx(xxx) (qty):xxxpcs ? date):xxxx-xx-xx tel):86-755-29785600 fax):86-755-29785100 ? web):www.wej.cn ??? : ( - ( & ( / 7 5 2 1 , & & 2 / 7 ' 6 0 ' wej pass qa rohs ? ? part no.):xxxxxxx ?? part no.):xxxxxxxxx vf(v):xx-xx lm:xx-xx ? tc) xxxx-xxxx(xxx) (qty):xxxpcs ? date):xxxx-xx-xx tel):86-755-29785600 fax):86-755-29785100 ? web):www.wej.cn wej electronic co., ltd ??? wej electronic co.,ltd
9 precautions ( ? ? ) 1 requirements for application and reflow soldering ?? use the recommended curve in the under figure of pb- free rdflow soldering. notes for reflow soldering: ? 1 no mo re th an t wice for ref low solderi ng. ?? 2 to ens u re the q uality of our le ds, we enc apsu late th em wi th s ilica ge l s. so pl ease do not put press u re on th e led s. ?? led ???????? led 3 please choo s e the right nozz l e t o avoid t he d a mage to p roducts due to th e pres s ure. ???????????? 4 please put on the antistat ic hand loop duri ng the use. the wo rktable should be with antis t atic finish. the eq ui pments must b e contact e d wi th ground led ? ??????????? . handwork solder ing ? : 1 during the soldering, the ele ctronic solder ing iron must be kept under the t emperatu re of 300 and the so ldering time mu st not be beyond 3 seco n ds. no touch bet ween t he elec tronic soldering iron and colloid. ????? 300 ? ?? 3 ???^ 2 handwork sold ering is only al l owed o nce. we wont t ake r esp onsibili t y for mo re than t hat. ????????? 3 a vo id usi n g sh arp objec ts to co mpre s s pro duct s coll o idal p art directl y. ?????? 4 please put on the antistat ic hand loop duri ng the use. the wo rktable should be with antis t atic finish. the eq ui pments must b e contact e d wi th ground. led ? ???????????? ??? : ( - ( & ( / 7 5 2 1 , & & 2 / 7 ' 6 0 ' wej electronic co.,ltd
10 2 storage( ) m oisture proof and anti - electrostatic package with moisture absorbent mater ial is used,to keep moisture to a minimum. before opening the package, the product should be kept at 30 or less and humidity less than 60%rh, and be used whthin six months. ???????? , ??????? 30 , ?? 60%rh ? after opening the package,the product should be stored at 30 or less and humidity less than 10%rh,and be soldered within 24 hours.it is recommended that the product be operated at the workshop condition of 30 or less and humidity less than 60%rh ???????? 30 ?? 10%rh ?? 24 ??? ??? 30 ?? 60%rh if the moisture absorbent material has fade away or the leds have exceeded the storage time,baking treatment should be performed based on the following condition(7 55 ) for 24 hour ??????????V? ??V 75 5 , 24 ? 3 static electricity static electricity or surge voltage damages the leds.damaged leds will show some unusual characteristic such as the forward voltage gecomes lower,or the leds do not light at the low current.even not light. all devices,equipment and machinery must be properly grounded.at the same time,it is recommended that wrist bands or anti - electrostatic gloves,anti - electrostatic containers be used when dealing with the le ds. ??2??????????? ?????????????????t ??F? ?????? 4 vulcanization( ) led curing is due to sulfur being in bracket and the 1 price of silver in the che mical reaction generated ag2s in the process.it will lead to the capacity of reflecting of silver layer reducing, light color temperature drift and serious declin e, seriously affecting the performance of the product. so we should take corresponding measu res to avoiding vulcanization, such as to avoid using sulphur volatile substances and keeping away from high sulphur content of the material. led ???? 1 ????? ag 2s ?????? ?????????????????????? ??????????? 5 safety advice for human eyes( ? ) viewing direct to the light emitting center of the leds,especially those of great lumious intensity will cause great hazard t o human eyes.please be careful . led ?????????? led ? ?? 6 design consideration( ? ) in designing a circuit about led,the current through each led must not exceed the absolute maximum rating specified for each led. in the meanwhile,resistors for protection should be applied,otherwise slight voltage shift will cause big current change,burn out may happen. ? led ???? led ???????k??? ???2?? ??? : ( - ( & ( / 7 5 2 1 , & & 2 / 7 ' 6 0 ' wej electronic co.,ltd
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