silicon 2.0 watt zener diodes scottsd a l e division smbg4728 thru smbg4764a SMBJ4728 thru smb j4764a w w w . mi c r o s e m i . c o m smbg & j 4 7 28 thru 4 764 a descripti on appeara n c e the smb j 47 28a-4 764a a nd smbg4 7 2 8 a-47 64a series of su rfa c e mount 2.0 watt zen e rs p r ovide s voltage reg u lation in a sel e ction from 3 . 3 to 1 0 0 volts with dif f erent tole ra nce s a s id en tified by suffi x letter on t he pa rt numbe r. this su rface mo unt prod uct serie s with lo wer therm a l re sista n ce feature s i s e quivalent to t he je de c registe r ed 1 n 4728 thru 1 n 47 64a with id entical ele c trical ch ara c teri stic s except it i s rated at 2.0 w in stea d of 1.0 w. it is availabl e in j-b end de sign (smb j) with the do-214aa packa ge for greate r pc b oard m ountin g den sity or in gull-wing desi g n (smbg) i n th e do -2 15aa for visibl e sol der co nne ctio ns. mi crose m i also offers nu merous othe r ze ner produ ct s to meet higher an d lowe r powe r appli c ation s . no t e : a l l sm b se r i es ar e e q u i va l e n t to prio r s m s pack ag e identifica tion s. 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 features a p p l i c at ions / be ne fi ts ? surface mou n t equ ival ent to 1 n 47 28 to 1n 47 64a ? ideal for hi gh- d ensit y an d lo w - profil e mounti n g ? z ener volta ge avail a b l e 3.3v to 200v ? standar d volta ge toler anc es are pl us/minus 5% w i th a suffix an d 10 % w i th no suffi x id entific ation ? 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 ? options for screen ing i n accor danc e w i th mil - prf - 195 00 for jan, jant x, jan t xv, an d jans are avail a b l e b y a d d in g mq, mx, mv, or msp prefixes respectively to part numbers. ? reg u lates v o ltage ov er a bro ad op erati ng c u rrent and temp eratur e rang e ? w i de sel e ction from 3.3 to 100 v ? popu lar do-21 4 aa or do-21 5 aa packa ges and footprints for ei ther hig h de nsi t y j-be nd or gull- w i n g desi gns for visi ble so lder j o i n ts ? nons ensitiv e to esd per mil - st d-750 method 102 0 ? moisture cl assi fication: lev el 1 per ipc/jed e c j- st d-020b w i t h no dr y pack re quir ed max i mu m rat ing s mechan ic al an d pa ckagin g ? po w e r d i ssip a ti on at 25 o c: 2.0 w a tts (als o se e derati ng in f i g u re 1). ? operatin g an d storage temp e r ature: -65 o c to + 150 o c ? t hermal resist ance: 35 o c/w juncti on to le ad , or 100 o c/w juncti on to ambi ent w h e n mount ed on f r 4 pc boar d (1oz cu) w i th rec o m m end ed footpr i n t (see last pa ge) ? stead y-state p o w e r: 2 w a tts at t l < 80 o c, o r 1.25 w a tts at t a = 2 5 o c w h e n mou n ted on f r 4 p c boar d w i t h recomm en ded foot print (a lso see f i g u re 1) ? f o r w a r d vo ltag e @20 0 ma: 1.2 volts (maxim u m) ? sold er t e mperatures: 260 o c for 10 s (maximum) ? case: void-free transfer mol ded therm o sett ing epo xy b o d y me eting u l 9 4 v-0 ? t e rminals: gull- w i ng or c- ben d (modifi ed j- ben d) lea d s, tin-le ad pl ated s o ld erab le p e r mil-st d- 750, metho d 2 026 ? polarit y : c a thod e in dicate d b y ban d. dio de to be op erate d w i th the ban ded end p o sitiv e w i th respect to op p o site en d for z ener re gul atio n ? marking: in clud es part nu mber w i th out p r efix (e.g. 4728a, 4 734 c, 476 4d, etc.) ? t ape & reel optio n: standa rd per eia-481 -1-a w i t h 12 mm tap e , 750 p e r 7 in ch reel or 2 5 0 0 per 13 inch reel (add ?t r? su ffix to pa rt number) ? w e igh t : 0.1 grams ? see pack a g e d i mensi ons o n l a st page 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 2 8-21-2 003 rev c
silicon 2.0 watt zener diodes scottsd a l e division smbg4728 thru smbg4764a SMBJ4728 thru smb j4764a w w w . mi c r o s e m i . c o m smbg & j 4 7 28 thru 4 764 a elec tric al ch ara cteri s tic s * jedec type number (no t e 1) zener volta g e (vz ) (note 4) test current (i zt ) ma x i mu m dyn a m i c impeda nce (z zt @ i zt ) (note 2) ma x i mu m reverse current (i r @ v r ) test volta g e (v r ) ma x i mu m regul a tor current (i zm ) ta = 5 0 o c ma x i mu m knee impeda nce (z zk @ i zk ) (note 2) test current (i zk ) ma x i mu m (surge) current (i s ) (note 3) gull-w i ng le a d c-be nd (mod. ?j?) v o l t s m a oh m s a v o l t s m a o h ms ma ma sm bg47 28a sm bg47 29a sm bg47 30a sm bg47 31a sm bj472 8a sm bj472 9a sm bj473 0a sm bj473 1a 3.3 3.6 3.9 4.3 76 69 64 58 10 10 9 9 100 100 50 10 1 1 1 1 276 252 234 217 400 400 400 400 1.0 1.0 1.0 1.0 138 0 126 0 119 0 107 0 sm bg47 32a sm bg47 33a sm bg47 34a sm bg47 35a sm bj473 2a sm bj473 3a sm bj473 4a sm bj473 5a 4.7 5.1 5.6 6.2 53 49 45 41 8 7 5 2 10 10 10 10 1 1 2 3 193 178 162 146 500 550 600 700 1.0 1.0 1.0 1.0 970 890 810 730 sm bg47 36a sm bg47 37a sm bg47 38a sm bg47 39a sm bj473 6a sm bj473 7a sm bj473 8a sm bj473 9a 6.8 7.5 8.2 9.1 37 34 31 28 3.5 4.0 4.5 5.0 10 10 10 10 4 5 6 7 133 121 110 100 700 700 700 700 1.0 0.5 0.5 0.5 660 605 550 500 sm bg47 40a sm bg47 41a sm bg47 42a sm bg47 43a sm bj474 0a sm bj474 1a sm bj474 2a sm bj474 3a 10 11 12 13 25 23 21 19 7 8 9 10 10 5 5 5 7.6 8.4 9.1 9.9 91 83 76 69 700 700 700 700 0.25 0.25 0.25 0.25 454 414 380 344 sm bg47 44a sm bg47 45a sm bg47 46a sm bg47 47a sm bj474 4a sm bj474 5a sm bj474 6a sm bj474 7a 15 16 18 20 17 15.5 14 12.5 14 16 20 22 5 5 5 5 11.4 12.2 13.7 15.2 61 57 50 45 700 700 750 750 0.25 0.25 0.25 0.25 304 285 250 225 sm bg47 48a sm bg47 49a sm bg47 50a sm bg47 51a sm bj474 8a sm bj474 9a sm bj475 0a sm bj475 1a 22 24 27 30 11.5 10.5 9.5 8.5 23 25 35 40 5 5 5 5 16.7 18.2 20.6 22.8 41 38 34 30 750 750 750 100 0 0.25 0.25 0.25 0.25 205 190 170 150 sm bg47 52a sm bg47 53a sm bg47 54a sm bg47 55a sm bj475 2a sm bj475 3a sm bj475 4a sm bj475 5a 33 36 39 43 7.5 7.0 6.5 6.0 45 50 60 70 5 5 5 5 25.1 27.4 29.7 32.7 27 25 23 22 100 0 100 0 100 0 150 0 0.25 0.25 0.25 0.25 135 125 115 110 sm bg47 56a sm bg47 57a sm bg47 58a sm bg47 59a sm bj475 6a sm bj475 7a sm bj475 8a sm bj475 9a 47 51 56 62 5.5 5.0 4.5 4.0 80 95 110 125 5 5 5 5 35.8 38.8 42.6 47.1 19 18 16 14 150 0 150 0 200 0 200 0 0.25 0.25 0.25 0.25 95 90 80 70 sm bg47 60a sm bg47 61a sm bg47 62a sm bg47 63a sm bj476 0a sm bj476 1a sm bj476 2a sm bj476 3a 68 75 82 91 3.7 3.3 3.0 2.8 150 175 200 250 5 5 5 5 51.7 56.0 62.2 69.2 13 12 11 10 200 0 200 0 300 0 300 0 0.25 0.25 0.25 0.25 65 60 55 50 sm bg47 6 4 a s m bj476 4 a 1 0 0 2 . 5 3 5 0 5 7 6 . 0 9 300 0 0 . 2 5 4 5 *jede c re gi stere d data notes: 1. the jedec t y pe numbers sho w n w i th an a suffi x h a ve a 5% tole ra n c e on nominal zener voltage. no suffix signifies a 10% toler an ce , c signifies 2%, and d signifies 1% tolerance. also add a p suffix f o r designati ng plastic constructio n (or g suffix fo r glass body). 2. the ze ner imped ance is derived from the 60 hz ac voltage that results w hen an ac cu rrent having an r m s value equal to 10% of t he dc zener cu rrent (i zt or i zk ) is superimposed on i zt or i zk . zen e r impe dance is measured at t w o points t o ensure a shar p knee on the breakdo w n cu rve and eliminate unstable units . see micronote 202 f o r zener impeda nce va riation w i t h different ope rat i ng current s. 3. the reve rse surg e current is meas ured at 25 o c am bient using a square w a ve o r equi valent half-sine w a ve p u lse 1/12 0 second duratio n superimposed on i zt . 4. zener voltage (v z ) is measured at t l = 25oc (+8, - 2 oc) and 90 sec onds after application of dc curre nt. 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 ?
silicon 2.0 watt 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 smbg4728 thru smbg4764a SMBJ4728 thru smb j4764a smbg & j 4 7 28 thru 4 764 a graphs temperature co efficient mv/oc rated p o w e r dissipation - w t l t a on fr4 pc board t l , lead temp. ( o c) or nominal zene r vol t age (volts ) figure 3 t a on fr4 p c b oard figure 2 typical capa citan c e vs. voltage figure 1 temp. coeff. vs. zener vol t age for representative types powe r de rati ng cu rv e pac k ag e dimen s io ns & pa d layou t smbj smbg a b c d e f k l min . 0 7 7 . 1 6 0 . 1 3 0 . 2 0 5 . 0 7 5 . 2 3 5 . 0 1 5 . 0 3 0 ma x . 0 8 3 . 1 8 0 . 1 5 5 . 2 2 0 . 0 9 5 . 2 5 5 . 0 3 0 . 0 6 0 dimensions in millime ters min 1 . 9 6 4 . 0 6 3 . 3 0 5 . 2 1 1 . 9 0 5 . 9 7 . 3 8 1 . 7 6 0 ma x 2 . 1 0 4 . 5 7 3 . 9 4 5 . 5 9 2 . 4 1 6 . 4 8 . 7 6 2 1 . 5 2 0 i n c h e s m m a 0 . 3 2 0 8 . 1 3 b 0 . 0 8 5 2 . 1 6 c 0 . 1 1 0 2 . 7 9 i n c h e s m m a . 2 6 0 6 . 6 0 b . 0 8 5 2 . 1 6 c . 1 1 0 2 . 7 9 smbg smbj
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