surface mount 500 mw zener diodes scottsd a l e division 1n746ur- 1 thru 1n759aur-1 and 1n4370ur-1 thru 1n 4372aur- 1 (or mll746-1 thru mll759a-1 and mll4370-1 thru mll4372a-1) w w w . mi c r o s e m i . c o m features a p p l i c at ions / be ne fi ts ? surface mou n t equ ival ents to the jedec re gi stered 1n7 46 thru 1 n 759a a nd 1 n 4 370 thru 1 n 4 3 72a seri es ? internal meta ll urgic a l bo nd ing ? also ava ila bl e i n jan, jant x, and jant xv qua lificati ons p e r mil-pr f - 19 500/1 27 b y a d d in g the jan, jant x, or jant xv prefixes to p a rt nu mbers for desir ed lev e l of screeni ng; (e.g. jant x1n75 1 aur-1, jant xv1n7 5 8 cur-1, etc.) ? axi a l-l e a ded e quiv a le nts also avail abl e in d o -35 inclu d i ng jan, jant x, and jant xv militar y qual ified optio ns to mil-prf - 195 00/ 1 2 7 ; e.g. jant x1n75 3 a-1 (see sep a rate data she e t) ? do-7 glass body ax ial-lead ed zener equ ivalents are also av ail abl e ? reg u lates v o ltage ov er a bro ad op erati ng current and temperature r ang e ? selecti on from 2.4 to 12 v ? hermetica ll y s eal ed surfac e mount pack a g e ? standar d volta ge toler anc es are pl us/minus 5% w i th a suffix id entific ation and 1 0 % w i th no suffi x ? t i ght tolerance s avail abl e in p l us or min u s 2 % or 1% w i th c or d suffix respectively ? nons ensitiv e to esd per mil - st d-750 method 1 0 2 0 ? minima l cap a ci tance (see f i g u re 2) ? inhere n tl y r adi ation h a rd as d e scrib ed in mic r osemi micronote 050 max i mu m rat ing s mechan ic al an d pa ckagin g ? operatin g an d storage temp e r ature: -65 o c to +175 o c ? t hermal resist ance: 10 0 o c/w junction to e nd or 250 o c/w juncti on to ambi ent w h e n mount ed on f r 4 pc boar d (1 oz cu) w i t h reco mmend ed foot print (see last pag e) ? stead y-state p o w e r: 0.5 w a tts at end cap temperatur e t ec < 125 o c or 0.5 w a tts at ambi ent t a < 50 o c w h en mo unted o n f r 4 pc boar d as d e scrib ed for thermal resi stance ab ove ( a lso se e f i gur e 2) ? f o r w a r d vo ltag e @20 0 ma: 1.1 volts ? sold er t e mperatures: 260 o c for 10 s (max ) ? case: herme ticall y se ale d gl ass do-213aa (sod80 or ml l34) melf st yl e packa ge ? t e rminals: end caps tin- le ad pl ated so lde r abl e per mil-st d-750, method 20 26 ? polarit y : c a thod e in dicate d b y ban d w h e r e dio de is to be o perate d w i th th e ban de d en d positiv e w i t h resp ect to the opp osite e nd for z ener re gul ation ? marking: ca thode b a n d on l y ? t ape & reel optio n: standa rd per eia-481 -b w i th 12 mm tape, 2 000 p e r 7 inc h reel or 5 0 0 0 pe r 13 inch reel (add ?t r? suffix to part number) ? w e igh t : 0.04 grams ? see pack a g e d i mensi ons o n l a st page descripti on appeara n c e the 1 n 74 6ur-1 th ru 1 n 7 59aur-1 an d 1n4 370 ur-1 thru 1n4 3 72aur-1 seri es of 0.5 watt zene r voltage reg u lators p r ovi des a surfa c e mount equivalent to the popul ar jedec regi ste r ed 1 n 7 46 to 1n75 9a and 1n43 70 to 1n437 2a f o r 2.4 to 12 v o lts in sta nda rd 5% o r 1 0 % toleran c es a s well a s tighter tolera nce s identifie d by different suffix letters on the part numbe r. these gl ass surfa c e mo u n t do -21 3 aa zene rs h a ve intern al-m etallurgi c al - bondi ng and are also available in ja n, jantx, and ja ntxv military qualifications. micro s emi also offers n u merou s oth e r z ene r p r o duct s to meet highe r a nd lower po wer appli c atio n s . do -213 aa import a n t : f o r the most cur r e n t data, consult mi c r os e m i ? s w e bsite: http:// www .microsemi.com 1n746ur- 1 ?759aur-1 1n4 3 7 0u r-1 ? 4 3 72a u r-1 m i cro semi scottsdale division 8700 e. thom as rd. po bo x 139 0, scottsdale, az 85252 usa, ( 4 8 0 ) 941- 6300, fax: (480) 947-1 503 page 1 cop y right ? 200 3 11-03- 2003 re v 0
surface mount 500 mw zener diodes scottsd a l e division 1n746ur- 1 thru 1n759aur-1 and 1n4370ur-1 thru 1n 4372aur- 1 (or mll746-1 thru mll759a-1 and mll4370-1 thru mll4372a-1) w w w . mi c r o s e m i . c o m elec tric al ch ara cteri s tic s * @ 25 o c m a xim u m rev e rse curren t i r @ v r = 1 vo lt nomin a l zener vo lt a g e v z @ i zt (no t e 2) zener test curren t i zt ma x i m u m zener imped a n ce z zt @ i zt (no t e 3) @25oc @+150oc ma x i m u m zener curren t i zm (no t e 4) typic a l temp coe ff. of zener vo lt a g e vz indust r y pa r t number (notes 1 & 5 ) vo l t s m a o h m s a a ma % / o c 1n4370u r-1 1n4371u r-1 1n4372u r-1 2.4 2.7 3.0 20 20 20 30 30 29 100 75 50 200 150 100 150 135 120 -.085 -.080 -.075 1n746ur - 1 1n747ur - 1 1n748ur - 1 3.3 3.6 3.9 20 20 20 28 24 23 10 10 10 30 30 30 110 100 95 -.066 -.058 -.046 1n749ur - 1 1n750ur - 1 1n751ur - 1 1n752ur - 1 4.3 4.7 5.1 5.6 20 20 20 20 22 19 17 11 2 2 1 1 30 30 20 20 85 75 70 65 -.033 -.015 +/-.010 +.030 1n753ur - 1 1n754ur - 1 1n755ur - 1 1n756ur - 1 6.2 6.8 7.5 8.2 20 20 20 20 7 5 6 8 .1 .1 .1 .1 20 20 20 20 60 55 50 45 +.049 +.053 +.057 +.060 1n757ur - 1 1n758ur - 1 1n759ur - 1 9.1 10.0 12.0 20 20 20 10 17 30 .1 .1 .1 20 20 20 40 35 30 +.061 +.062 +.062 * jedec reg i stere d data note 1: stand a r d tolerance on t y pes sho w n is +/- 10%. s u ffix lett er a denotes +/- 5% tolerance; su ffix letter c de n o tes +/- 2%; an d suffix letter d de notes +/- 1% tole rance. note 2: voltag e measurements to be perf o rmed 20 sec onds after application of dc test current. note 3: z ener i m pedance derive d b y supe rimposing on i zt , a 60 cps, rms ac curre nt equal to 10 % i zt (2 ma ac). see micronote 202 for t y pical zener impedance vari ation w i th diffe re nt operating cur r ents. note 4: allo w a nce has been ma de for the incre a s e in v z due to z z and for the incr ease in junction te mperatu r e as th e unit approache s thermal equ ilibrium at the pow e r dissipation of 400 mw . note 5: t hese ma y be o r de red as either 1n4370 ur-1 th ru 1n 437 2a ur-1 a nd 1n7 46ur-1 thru 1 n 7 58aur-1, or as mll4370- 1 thru m ll4372a-1 and mll746-1 t h ru m ll758a-1. for military t y pes, us e the 1n x x x u r-1 format and also include j an, jantx, or jantxv p r efix for desired s c reening le vel, e.g. jantx1n437 0ur-1, jan t xv 1n746aur -1, ja ntxv1n758 ur- 1, etc. graphs rated p o w e r dissipation - mw t ec t y pical capacita n ce in picofarads (pf) 1n746ur- 1 ?759aur-1 1n4 3 7 0u r-1 ? 4 3 72a u r-1 t a t ec end cap temp erature ( o c), o r zener voltag e v z t a ambient tem peratur e on f r 4 pc board figure 2 figure 1 capacitance vs . zener voltage power derating curve (typical) m i cro semi scottsdale division 8700 e. thom as rd. po bo x 139 0, scottsdale, az 85252 usa, ( 4 8 0 ) 941- 6300, fax: (480) 947-1 503 page 2 cop y right ?
surface mount 500 mw zener diodes m i cro semi scottsdale division 8700 e. thom as rd. po bo x 139 0, scottsdale, az 85252 usa, ( 4 8 0 ) 941- 6300, fax: (480) 947-1 503 page 3 cop y right ? w w w . mi c r o s e m i . c o m scottsd a l e division 1n746ur- 1 thru 1n759aur-1 and 1n4370ur-1 thru 1n 4372aur- 1 (or mll746-1 thru mll759a-1 and mll4370-1 thru mll4372a-1) 1n746ur- 1 ?759aur-1 1n4 pac k ag e dim e n s io ns inch e s m i l l i m e t e r s dim m i n m a x m i n m a x a 0. 0 6 3 0 . 0 6 7 1. 6 0 1. 7 0 b 0. 1 3 0 0 . 1 4 6 3. 3 0 3. 7 0 c 0. 0 1 6 0 . 0 2 2 0. 4 1 0. 5 5 pad layout i n c h e s mm a . 2 0 0 5 . 0 8 b . 0 5 5 1 . 4 0 c . 0 8 0 2 . 0 3 3 7 0u r-1 ? 4 3 72a u r-1
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