-1- green lamp led LT370 <070601> rev. 0.1 ???? : qp-7-03-05 (rev.00) technical datasheet lamp led s are effective in hot thermal and humi d condition. th is high brightness and w e ather-resistant packagi ng desi g n m a k e s t hes e lam p leds ideal for outdoor app licatio n s such as traffic sign al s, varia b l e message signs and backli ghti ng for transparent sign panel s features ? h igh lum i no us em iss i on ? n o n -stand off leads ? 3 mm ty pe package ? t ranspare n t epox y le ns ? v ie wing a ngle : 70 o ? d ominant wavelength : 527nm applications ? e lectronic signs and signals ? s pecialty li ghting ? s mal l area illumination ? b acklightin g ? o u t door displays
-2- green lamp led LT370 <070601> rev. 0.1 ???? : qp-7-03-05 (rev.00) 2 . 5 0.05 an o d e 2 . 35 0.1 4.2 0.2 3. 1 0 . 2 0.5 +0 .2 -0 . 1 det a il 1.0 3 . 8 0.2 0. 5 ma x 5. 3 0 . 1 1.0 m in 28.0 min 0.5 0.05 notes : protruded epo xy is 0.5 mm maxim u m .
-3- green lamp led LT370 <070601> rev. 0.1 2p4-?gl a g x w t ^ t w z t w \ g o y ? ? u w w p electro- o ptical character i st ics ( t a = 25oc, i f =20ma ) 536 527 v 4.0 3.6 - v f forward vo l t age [4] 70 deg. 2 ? view a n gle nm 519 d do minant w a ve length [3] 5 - - 1200 700 i r re verse cu rrent (at v r = 5 v) max. ty p . min. mc d i v [2] luminous in tensity [1] unit value sy mbol ite m absolute maximum rat i ngs ( t a = 25o c ) mw 120 p d power dissipation v 5 v r re verse vol t age oc 260oc for 1 0 seconds [6] t s so lder temperatu r e oc -30 ~ 85 t opr opera t ing temperatu r e ma 100 i fp [5] forward pe ak pulse cu rren t oc -40 ~ 100 t stg storage te mperatu r e ma 30 i f dc for ward current unit value sy mbol ite m notes : [1] ssc maintains a toler anc e of i v is the lumino us intens it y outp u t as measure d w i th a c y l i nd er. [3] dominant w a vel ength is derive d from the cie 1931 ch romaticit y dia g r a m. a tolerance of t 0.1ms, d = 1/10 [6] no lo w e r t han 3mm from the base of the epo xy bul b.
-4- green lamp led LT370 <070601> rev. 0.1 2p4-?gl a g x w t ^ t w z t w \ g o y ? ? u w w p reliability tests 0/22 1 time 1kv, 1 . 5k 3 ; 100pf e s d (human bo dy model) 0/40 100 cy cles t a = -4 0 o c (3 0 m i n ) ~ 1 0 0 o (3 0 m i n ) (transfer time : 10sec, 1cycl e = 1h r) thermal sh ock 0/22 100hrs t a = 85oc, rh = 85% , i f = 8 m a temperatur e humid i ty opera t ing 0/22 1000hrs t a = 85oc, rh = 85% temperatur e humid i ty storage 0/22 1000hrs t a = -40oc lo w temperature sto r ag e 0/22 1000hrs t a = 100oc high tempe ratu re stora g e 0/22 0/22 0/22 0/22 fail ures 1 time t s = 255 5oc, t = 10sec res i stance t o soldering he at 1000hrs t a = 85oc, i f = 8 m a high tempe ratu re ope r ating 1000hrs t a = -30oc, i f = 20ma lo w temperature opera t ing 1000hrs t a = rt , i f = 30ma life test note c ondition ite m < judging criteria fo r r e liability t e sts > lsl [2] x 0 . 5 v usl x 2 . 0 i r usl [1] x 1 . 2 v f notes : [1] usl : upper standard l e vel [2] lsl : lo w e r standard le vel.
-5- green lamp led LT370 <070601> rev. 0.1 ???? : qp-7-03-05 (rev.00) t a = 25oc t a = 25oc 2. 0 2 . 5 3. 0 3 . 5 4. 0 4 . 5 5. 0 0 10 20 30 40 50 forwar d c u rrent(ma) for w a r d vol t age [ v ] 0 1 02 0 3 04 05 0 0. 0 0. 5 1. 0 1. 5 2. 0 2. 5 r e l a tive luminous intensity f o r w a rd c u rre n t [ m a ] forw a rd cu rrent vs . relat i ve inten s ity forw a rd vol t age vs . for w a rd current - 9 0 - 60 - 3 0 0 30 60 90 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 relative luminous intensity off ax is angle [deg.] t a = 25oc, i f = 2 0 ma -4 0 - 2 0 0 2 0 4 0 6 0 8 0 1 0 0 0 10 20 30 40 forward curre n t i f [m a ] ambi ent t e mpe r a t ur e t a [ o c] ambie n t temperature vs . ma ximum for ward curre nt directiv i t y
-6- green lamp led LT370 <070601> rev. 0.1 ???? : qp-7-03-05 (rev.00) - 1 a forward voltage domi nant w a v e lengt h luminous intensity bin code not y e t available ranks 1200 700 a 2000 1200 b 5000 2000 c max. min. bin co de luminous in tensity (m cd ) @ i f = 20m a 530 525 2 525 519 1 536 530 3 max. min. bin co de do minant w a ve length (n m) @ i f = 20m a 4.0 2.9 - max. min. bin co de forward vo l t age (v) @ i f = 20m a
-7- green lamp led LT370 <070601> rev. 0.1 ???? : qp-7-03-05 (rev.00) (2b a g s ma x / box ) * inner box unit : mm 4 2 0 420 430 * antistatic poly bag (50000pcs m ax/box) (50boxes m a x/box) * cardboard box (500pcs max/bag) 70 17 0 9 5 lxxxx ra n k : xx xx qt y : 500p cs lot : 20xx.xx.xx se oul sem icond u c tor co . , l t d packing
-8- green lamp led LT370 <070601> rev. 0.1 ???? : qp-7-03-05 (rev.00) soldering profile 1) wave sol dering cond itions / profile ? p reliminary heating to be a t 85oc(120 oc max) f o r 20 secon d s(60 secon d s max) . ? s oldering heat to be a t 255 oc (260 oc max) for 10 seconds ? s oak time above 200 o c is 5 seco nds 2) hand sol dering conditions ? n ot more t han 3 secon d s a t max. 3 50oc, under so ldering iron . 3) caution ? the leds must no t be repositioned a f ter soldering. ? d o no t ap ply any st re ss to the lea d par ticularly when heat. 0 2 4 6 8 10 1 2 1 4 16 18 2 0 22 24 26 2 8 30 3 2 34 36 0 50 10 0 15 0 20 0 25 0 30 0 te m pera t u r e [ o c] ti m e [ s ] prehe a t 20s (60s ma x) 85 oc (120 o c ma x) pe ak 10s 255 o c (260 oc ma x) note : in case the sold ered pr oducts are reu s ed in sol deri n g process, w e don?t gu arante e the products.
-9- green lamp led LT370 <070601> rev. 0.1 2p4-?gl a g x w t ^ t w z t w \ g o y ? ? u w w p precaution for use 1 ) s to rage ? b efo r e op ening the pa ckage a . avoi d the absorp t ion o f moistu re, we reco mmended to sto r e the leds in a d r y box(or desiccato r) with a desiccant . o t he r w ise, store t hem in the f o ll o w ing environment: temperatu r e : 5 ~3 0 humi dity : 50% m a x. b . the p r oducts sho u ld be used in 3 mon t hs. i t is recom m ended tha t the l eds b e used as soon a s possible. ? a f t e r ope ning the package a . solde r ing should be done right a f ter opening the package(within 24hrs). b . keepi ng o f a fraction - s e a lin g - temperatu r e : 5 ~ 40 , h umid ity : less than 30% c. i f the package ha s been open ed more tha n 1week or t he color o f d e siccant cha nges, comp onents shou ld be d r ied f o r 10 -12hr a t 60 5 ? a ny mechanical force or any excess vibration shall no t be accep t ed t o apply during cooling pro c ess t o normal te mp. a f ter soldering. ? a void qui ck cooling ? lead f r ames a r e silver plated spcc. the silve r plate sur f a c e may be a f fected by environments which contains cor r o sive substa nc es. please avoid conditions whic h may cau s e the l eds t o co rrode , t a rnish or discolor. 2) lead for ming ? w hen th e lead forming is require d be fore sol dering , care must be taken to avoid any bending and mechanical st ress. the st re ss to the ba se may da mage the l e ds. ? w hen m ounting the leds onto a pcb, the h o les on the circuit board should be exactly aligned with the leads o f the leds. ? i t is reco mmended th at tooling m ade to precisely form an d cu t the leads to length rathe r than rely on h and opera t ing.
-10- green lamp led LT370 <070601> rev. 0.1 ???? : qp-7-03-05 (rev.00) 3) s t atic elect r icity ? s ta tic ele c t r icity and surge voltage damage the l eds. so it is recomme nded that a wrist band or a n an ti-elect r o sta t ic glove be used wh en handling the l eds. ? a ll device s , equipment and machinery must b e grounded properly. i t is recommen ded tha t pre c au tions should be taken against surge volt age to the e quipment th at moun ts t h e l eds. 4) heat gen e ration ? thermal is one o f the importan t pa ramete rs to design the e nd product . please consider the hea t generation o f the l eds. ? the operating cu r r ent should be d e cided af te r considering the ambient maximum t e mperatu r e of l e ds . 5) o t her s ? the color of the l eds i s changed slightl y an o perating cur r ent and the r mal. ? a nti radioactive ray d e sign is no t considered f o r the p r odu ct s listed he re. ? g alliu m ar senide is used in some of the produ ct s listed in t h is publication. these p r oducts are dang erous if they are bu rned or smashed in the p r oce s s o f disposal. i t is also dangerous to drink t he liquid or inhale the g a s genera t e d by su ch pr oducts when chemically disposed . ? this device should no t be used in any type o f f l ui d such as water, oil, or ganic solven t and e t c. when wa shing is required, ipa(isopropyl alcohol) should be used . ? w hen the l eds a re ill uminating, o perating cur r ent should be decided af ter considering the junction t e mperatu r e . cf .) please re fe r am b i ent tem perature vs. for ward current graph on p age 5 ? the appearance and specification s o f the p r oduct may be modified fo r improvemen t without no tice. seoul s e m iconductor co. , l t d. 148-29, kasan-dong, keum chun-gu, seoul, korea t e l : + 82- 2- 3281- 6269 fax : + 82 -2 -8 58 -55 3 7 homepage : www.seoulsem icon.com www.zled.com e-store : www.zledstore.com e-mail : sscsale @seo ulse micon.com
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