smaj5.0 thru smaj170ca surf ace mount 500 watt transient voltage suppressor scottsd a l e division w w w . mi c r o s e m i . c o m sm a j5. 0 th ru sm a j 1 7 0 c a descripti on pac k ag e this sma j 5 . 0-170a seri es of surfa c e m ount 5 00 w t r an sient volta g e suppresso rs (tvss) protects a variet y of voltage-sen s itive co mpone nts fro m destructio n o r d egradatio n . the pa cka ge o u tline i s simila r to th e do -2 14ab or do -214a c. it is also available in a u n id ir ectio nal con f iguration or as bidi re ction a l with a c or ca suffix part numbe r. the i r re spo n se time is virtually instantan eou s. as a result, they ca n be u s ed fo r p r ote c tion fro m esd or ef t pe r iec6100 0-4-2 and iec61 0 0 0 -4 -4, or for inductive switchi ng envi r onm ents a n d indu ced rf prote c tion. t hey ca n al so prote c t from seco nda ry ligh t ning effect s per iec610 0 0 - 4-5 and cl ass levels defin e d he rein. mi cro s e m i al so offers num erous othe r tv s prod uct s to meet highe r an d lowe r po we r dema n d s an d spe c ial a ppl ication s . do -214 a b o r ac (smaj ) impo rta n t: f o r the m o st cur r ent data, consult mic r osemi?s website: ht tp://w w w .m i cro se m i .co m features a p p l i c at ions / be ne fi ts ? econom ical su rface mount ? avail abl e in u n idirecti on al or a s bidirecti ona l construction w i th a c or ca suffix ? selecti ons for 5.0 to 170 vo lts standoff voltag es (v wm ) ? suppr esses tra n sie n ts up to 5 00 w a tts @ 10/ 100 0 s (see f i gur e 1) ? f a st response ? 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. ? axi a l-l e a d eq ui vale nt packa ge s for thru-hole mounti ng avail a b l e as p5 ke6.8 to p5ke 170 ca (consu l t factory for other surface mount opti ons) ? moisture cl assi fication is l e ve l 1 w i t h no dr y pack requ ired p e r ipc/jedec j-std-02 0b ? protects sensiti v e compo n e n ts such as ic?s, cmos, bipolar, bicmos, ec l, dt l, t 2 l, etc. ? protection from s w itch in g tran sients & ind u ce d rf ? compl i a n t to iec61 000- 4-2 a nd iec61 0 0 0 -4 -4 for esd and ef t protectio n resp ectivel y ? secon dar y li gh tning pr otectio n per iec61 0 0 0 -4-5 w i t h 42 ohms source im ped a n ce: class 1: smaj5.0 to smaj100a or ca class 2: smaj5.0 to smaj51a or ca class 3: smaj5.0 to smaj24a or ca class 4: smaj5.0 to SMAJ12A or ca ? secon dar y li gh tning pr otectio n per iec61 0 0 0 -4-5 w i t h 12 ohms source im ped a n ce: class 1: smaj5.0 to smaj30a or ca class 2: smaj5.0 to smaj16a or ca max i mu m rat ing s mechan ic al an d pa ckagin g ? peak puls e po w e r dissi pati o n at 25 o c: 500 w a tts at 10/10 00 s (a l s o see f i g 1,2, and 3) ? impulse re petiti on rate (dut y fa ctor): 0.01% ? t cl am pi ng (0 volts to v (b r) min.): < 100 ps theor etical for uni directi o n a l a nd < 5 ns for bidirecti ona l ? operatin g an d storage temp e r ature: -65 o c to +150 o c ? t hermal resistance: 15 o c/w juncti on to le ad or 80 o c/w juncti on to amb i ent w h en mo u n ted on f r 4 p c boar d (1oz cu) w i t h recomme nde d footpri n t (see la st page) ? stead y-state p o w e r d i ssip a tio n : 5 w a tts at t l = 7 5 o c, or 1.56 w a tts at t a = 2 5 o c w h en mounte d on f r 4 pc bo ard w i t h recomm en ded foot print ? f o r w a r d sur g e current at 25o c: 40 amps pe ak, 8.3 ms half-si ne w a v e . maximum vo ltage of 3.5 0 v (uni directi ona l onl y) ? sold er temper atures: 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-bend) lea d s, t i n-lead plate d so l der abl e per mil-s t d-750, method 2 0 2 6 ? polarit y : c a thod e in dicate d b y ban d. no marking on bi- d irecti on al dev ices ? marking: part number w i thout sma prefix (e.g. 5.0, 5.0a, 5.0c a, 36, 36a, 36 ca, 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? suffix to part number) ? w e igh t : 0.064 grams ? see pack a g e d i mensi on o n la 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 mscxxxx.pdf 10-14-2003 re v d
smaj5.0 thru smaj170ca surf ace mount 500 watt transient voltage suppressor scottsd a l e division w w w . mi c r o s e m i . c o m sm a j5. 0 th ru sm a j 1 7 0 c a elec tric al ch ara cteri s tic s @ 5 o c type number reverse st a ndo ff vo lt a g e v wm volts minimum bre a k d o wn vo lt a g e v br min @ i (br ) volts bre a k d o wn curren t i (br) ma ma x i m u m cl a m pin g vo lt a g e @ i pp v c volts pe a k pulse curren t (see fi g. 2) i pp am p s ma x i m u m st a ndby curren t @ v wm i d smaj5.0 smaj5.0a smaj6.0 smaj6.0a 5.0 5.0 6.0 6.0 6.40 6.40 6.67 6.67 10 10 10 10 9.6 9.2 11.4 10.3 52 54.3 43.9 48.5 800 800 800 800 smaj6.5 smaj6.5a smaj7.0 smaj7.0a 6.5 6.5 7.0 7.0 7.22 7.22 7.78 7.78 10 10 10 10 12.3 11.2 13.3 12.0 40.7 44.7 37.8 41.7 500 500 200 200 smaj7.5 smaj7.5a smaj8.0 smaj8.0a 7.5 7.5 8.0 8.0 8.33 8.33 8.89 8.89 1 1 1 1 14.3 12.9 15.0 13.6 35.0 38.8 33.3 36.7 100 100 50 50 smaj8.5 smaj8.5a smaj9.0 smaj9.0a 8.5 8.5 9.0 9.0 9.44 9.44 10.0 10.0 1 1 1 1 15.9 14.4 16.9 15.4 31.4 34.7 29.5 32.6 10 10 5 5 smaj10 smaj10a smaj11 smaj11a 10 10 11 11 11.1 11.1 12.2 12.2 1 1 1 1 18.8 17.0 20.1 18.2 26.6 29.4 24.9 27.4 5 5 5 5 smaj12 SMAJ12A smaj13 smaj13a 12 12 13 13 13.3 13.3 14.4 14.4 1 1 1 1 22.0 19.9 23.8 21.5 22.7 25.1 21.0 23.2 5 5 5 5 smaj14 smaj14a smaj15 smaj15a 14 14 15 15 15.6 15.6 16.7 16.7 1 1 1 1 25.8 23.2 26.9 24.4 19.4 21.5 18.8 20.6 5 5 5 5 smaj16 smaj16a smaj17 smaj17a 16 16 17 17 17.8 17.8 18.9 18.9 1 1 1 1 28.8 26.0 30.5 27.6 17.6 19.2 16.4 18.1 5 5 5 5 smaj18 smaj18a smaj20 smaj20a 18 18 20 20 20.0 20.0 22.2 22.2 1 1 1 1 32.2 29.2 35.8 32.4 15.5 17.2 13.9 15.4 5 5 5 5 smaj22 smaj22a smaj24 smaj24a 22 22 24 24 24.4 24.4 26.7 26.7 1 1 1 1 39.4 35.5 43.0 38.9 12.7 14.1 11.6 12.8 5 5 5 5 smaj26 smaj26a smaj28 smaj28a 26 26 28 28 28.9 28.9 31.1 31.1 1 1 1 1 46.6 42.1 50.0 45.4 10.7 11.9 9.9 11.0 5 5 5 5 smaj30 smaj30a smaj33 smaj33a 30 30 33 33 33.3 33.3 36.7 36.7 1 1 1 1 53.5 48.4 59.0 53.3 9.3 10.3 8.5 9.4 5 5 5 5 smaj36 smaj36a smaj40 smaj40a 36 36 40 40 40.0 40.0 44.4 44.4 1 1 1 1 64.3 58.1 71.4 64.5 9.8 8.6 7.0 7.8 5 5 5 5 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 ? 200 2 mscxxxx.pdf 10-14-2003 re v d
smaj5.0 thru smaj170ca surf ace mount 500 watt transient voltage suppressor scottsd a l e division w w w . mi c r o s e m i . c o m sm a j5. 0 th ru sm a j 1 7 0 c a type number reverse st a ndo ff vo lt a g e v wm volts minimum bre a k d o wn vo lt a g e v br min @ i (br ) volts bre a k d o wn curren t i (br) ma ma x i m u m cl a m pin g vo lt a g e @ i pp v c volts pe a k pulse curren t (see fi g. 2) i pp am p s ma x i m u m st a ndby curren t @ v wm i d smaj43 smaj43a smaj45 smaj45a 43 43 45 45 47.8 47.8 50.0 50.0 1 1 1 1 76.7 69.4 80.3 72.7 6.5 7.2 6.2 6.9 5 5 5 5 smaj48 smaj48a smaj51 smaj51a 48 48 51 51 53.3 53.3 56.7 56.7 1 1 1 1 85.5 77.4 91.1 82.4 5.8 6.5 5.5 6.1 5 5 5 5 smaj54 smaj54a smaj58 smaj58a 54 54 58 58 60.0 60.0 64.4 64.4 1 1 1 1 96.3 87.1 103.0 93.6 5.2 5.7 4.9 5.3 5 5 5 5 smaj60 smaj60a smaj64 smaj64a 60 60 64 64 66.7 66.7 71.1 71.1 1 1 1 1 107.0 96.8 114.0 103.0 4.7 5.2 4.4 4.9 5 5 5 5 smaj70 smaj70a smaj75 smaj75a 70 70 75 75 77.8 77.8 83.3 83.3 1 1 1 1 125 113 134 121 4.0 4.4 3.7 4.1 5 5 5 5 smaj78 smaj78a smaj85 smaj85a 78 78 85 85 86.7 86.7 94.4 94.4 1 1 1 1 139 126 151 137 3.6 4.0 3.3 3.6 5 5 5 5 smaj90 smaj90a smaj100 smaj100a 90 90 100 100 100 100 111 111 1 1 1 1 160 146 179 162 3.1 3.4 2.8 3.1 5 5 5 5 smaj110 smaj110a smaj120 smaj120a 110 110 120 120 122 122 133 133 1 1 1 1 196 177 214 193 2.6 2.8 2.3 2.6 5 5 5 5 smaj130 smaj130a smaj150 smaj150a 130 130 150 150 144 144 167 167 1 1 1 1 231 209 268 243 2.2 2.4 1.9 2.1 5 5 5 5 smaj160 smaj160a smaj170 smaj170a 160 160 170 170 178 178 189 189 1 1 1 1 287 259 304 275 1.7 1.9 1.6 1.8 5 5 5 5 ? for bidirectional device ty pes i ndi cate a c or ca s u ffix after t he par t number. (i.e.: s m aj170ca or s m aj170c). bidir e ctional capacitance is h a lf that sho w n in figure 4 at zero v o lts. ? microsemi corp?s sma series (500 w ) surf ace mountable package s are desi gned specifically fo r tra n sient voltage suppression. th e w i de leads assur e a large surface contact for good heat dissipat ion, and a lo w resistance path for su r ge current flo w to ground . these high speed transient voltage suppr essors can be used to effectively protect sensitive components such as integrated circuits an d mos devices. sy mbol s & defin i ti ons sy m b o l d e f i n i t i o n sy m b o l d e f i n i t i o n v wm w o rking pe ak (standoff) volt age i pp peak puls e cu rrent p pp peak puls e po w e r v c clamp in g volta ge v (b r) breakd o w n v o l t age i (b r) breakd o w n c u rrent for v (b r) i d standb y c u rre 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 3 cop y right ? 200 2 mscxxxx.pdf 10-14-2003 re v d
smaj5.0 thru smaj170ca surf ace mount 500 watt transient voltage suppressor scottsd a l e division w w w . mi c r o s e m i . c o m sm a j5. 0 th ru sm a j 1 7 0 c a graphs t w micros ec onds figure 1 peak pul s e powe r (p pp ) ? kilowatts vers us pulse width (tw) - mi cro s e c on ds c ? ca pa cita nce - pi cofarads figure 2 t l lead tempe r ature o c v (br) - breakdown voltage ? volts peak pulse power ( p pp ) or conti nuous power in percent of 25 o c ratin g pulse w a veform for exp onential surge figure 3 figure 4 derating cu rve t y pical capacita n ce vs. breakdow n v o ltage 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 4 cop y right ? 200 2 mscxxxx.pdf 10-14-2003 re v d
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 5 cop y right ? 200 2 mscxxxx.pdf 10-14-2003 re v d w w w . mi c r o s e m i . c o m smaj5.0 thru smaj170ca surf ace mount 500 watt transient voltage suppressor scottsd a l e division sm a j5. 0 th ru sm a j 1 7 0 c a pac k ag e dimen s io ns & pa d layou t pad layout inches mm dim m i n m a x m i n m a x note a . 0 5 2 . 1 0 3 1 . 3 2 1 . 4 7 b . 1 6 0 . 1 8 0 3 . 9 9 4 . 5 0 c . 1 0 0 . 1 1 0 2 . 5 7 2 . 7 9 d . 1 9 4 . 2 1 6 4 . 9 3 5 . 4 8 e . 0 7 8 . 1 1 5 1 . 9 8 2 . 9 2 1 f . 0 3 0 . 0 6 0 . 7 6 1 . 5 2 g - . 0 2 - . 5 1 i n c h e s m m a . 2 4 5 6 . 2 2 b . 0 7 5 1 . 9 0 c . 1 0 3 2 . 6 2 no t e 1 : t h is ma xi mum di me ns i o n i s l a rg e r t h a n t h e s t a nda rd je de c ca l l out . st a nda r d je de c is .1 05 inches or 2 . 66 m m .
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