uma5.0a thru uma170ca u ltra m it e? surface mount 500 watt transient voltage suppressor 5.0 to 170 v scottsd a l e division w w w . mi c r o s e m i . c o m uma5.0a ? uma170ca descripti on pac k ag e t hese 500 w a tt transient vo l t age su ppr ess o rs offer cap a b iliti e s o n l y fo und in l a rg er packa ges. t hey are us ed for protectin g ag ai ns t a variet y of transients from inductiv e s w itc h in g e n vi ronme n ts or l o w e r l e vels of induc ed s e co ndar y l i g h tnin g effects of iec610 00- 4-5. it offers the same size footprint a s th e popul ar do-21 4 ac o r ba packag e outline s ex cept with a m u ch l o wer profile heig h t. its ro bu st config uratio n in a ?20 10? st yle melf pa ckage p r even ts dama ge to extended - lead te rmin al s a nd virtu a ll y eliminate s i ndu ctive pa ra sitics from fa st ri se -time transi ents with very sho r t internal/exte r n a l con ductio n paths. they a re also ver y effective in prot ection from es d or eft per iec61 000- 4-2 a nd iec61 0 0 0 -4 -4. ultrami t e? 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 ? avail abl e as a uni directi o n a l o r bidirecti o n a l d e vice (bidirectional w i th ca suffix ) ? f a st response time ? suppr esses tra n sie n ts up to 5 00 w @ 10/10 00 s (see f i gur e 1, 2, and 3). ? rob u st 201 0 melf style flat p a ckag e confi g u r ation for accurate pi ck-and- plac e h and lin g ? f i ts same small narro w p c b p ad la yo uts as ?smaj? packa ges i n jedec do-21 4 a c (or ba) ? ve ry lo w he i ght p r o f i l e (a pp rox i ma te ly 1 mm) ? avail abl e on t ape a nd r eel ? built-in stress r e lief w i t h simil a r coe as pc boards ? optiona l le ad- f r ee desi gn/fin i sh (umaf 5 .0a - 170 ca) ? 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. ? protects sensitive components such as ic?s, cmos, bipolar, bicmos, ecl, d t 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: uma5.0 to uma100a or ca class 2: uma5.0 to uma51a or ca class 3: uma5.0 to uma24a or ca class 4: uma5.0 to uma12a 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: uma5.0 to uma30a or ca class 2: uma5.0 to uma16a or ca ? virtuall y z e ro i nductiv e par asi t ics w i th mi nim a l ld i/dt voltag e overs h oots for fast-rise-time transi e n t s 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: -55 o c to +150 o c ? t hermal resistance: 50 o c/w juncti on to le ad , or 115 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 5 mm 2 pads (see last pa ge) ? stead y-state p o w e r: 2.5 w a tts at t l = 2 5 o c, or 1.08 w a tts at t a = 25 o c w h e n mou n ted on f r 4 p c boar d w i t h recomm en ded 5 mm 2 footprint pa ds ? f o r w a r d sur g e current at 25o c: 40 amps pe ak, 8.3 ms half-sin e w a ve. maximum voltage of 3.5 0 v (uni directi ona l onl y) ? sold er temper atures: 260 o c for 10 s (maximum) ? f r p substrate material and e p o x y un der-fil l packa ge meetin g ul9 4 v -0 ? t e rminals sold er plate d (sold e rab l e per mil- st d- 750, metho d 2 026) ? bod y marke d w i t h part num b e r w i t h o u t uma prefi x (ie. 05, 15a, 33 a, 58, 150ca, etc.) ? catho de d e sig nated w i t h ba n d (no ba nd o n bidir e ctio nal) ? w e ight: 0.020 grams (appr o x imate) ? t ape & reel p a ckag i ng per e i a-481-2 w i t h 1 2 mm tape an d 30 00 units/ree l (7 in c h ) or 10,00 0 un its/reel (13 inc h ) ? see packa ge dime nsio ns on last pag e 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 mscuma5.0.pd f 10-16 -2003 r ev b
uma5.0a thru uma170ca u ltra m it e? surface mount 500 watt transient voltage suppressor 5.0 to 170 v scottsd a l e division w w w . mi c r o s e m i . c o m uma5.0a ? uma170ca elec tric al ch ara cteri s tic s @25 o c microsemi p a rt nu m b er* ra t e d workin g pe a k st a ndo ff vo lt a g e v wm (v) bre a k d o wn vo lt a g e v (br) min @ i (br) (v) bre a k d o wn curren t i (br) (m a ) ma x i m u m cl a m pin g vo lt a g e v c @ i pp (v) pe a k pulse curren t i pp (a ) ma x i m u m st a n dby curren t i d @ v wm ( p a) uma5.0a uma6.0a uma6.5a uma7.0a 5.0 6.0 6.5 7.0 6.40 6.67 7.22 7.78 10 10 10 10 9.2 10.3 11.2 12.0 54.3 48.5 44.7 41.7 800 800 500 200 uma7.5a uma8.0a uma8.5a uma9.0a 7.5 8.0 8.5 9.0 8.33 8.89 9.44 10.0 1 1 1 1 12.9 13.6 14.4 15.4 38.8 36.7 34.7 32.6 100 50 10 5 uma10a uma11a uma12a uma13a 10 11 12 13 11.1 12.2 13.3 14.4 1 1 1 1 17.0 18.2 19.9 21.5 29.4 27.4 25.1 23.2 5 5 5 5 uma14a uma15a uma16a uma17a 14 15 16 17 15.6 16.7 17.8 18.9 1 1 1 1 23.2 24.4 26.0 27.6 21.5 20.6 19.2 18.1 5 5 5 5 uma18a uma20a uma22a uma24a 18 20 22 24 20.0 22.2 24.4 26.7 1 1 1 1 29.2 32.4 35.5 38.9 17.2 15.4 14.1 12.8 5 5 5 5 uma26a uma28a uma30a uma33a 26 28 30 33 28.9 31.1 33.3 36.7 1 1 1 1 42.1 45.4 48.4 53.3 11.9 11.0 10.3 9.4 5 5 5 5 uma36a uma40a uma43a uma45a 36 40 43 45 40.0 44.4 47.8 50.0 1 1 1 1 58.1 64.5 69.4 72.7 8.6 7.8 7.2 6.9 5 5 5 5 uma48a uma51a uma54a uma58a 48 51 54 58 53.3 56.7 60.0 64.4 1 1 1 1 77.4 82.4 87.1 93.6 6.5 6.1 5.7 5.3 5 5 5 5 uma60a uma64a uma70a uma75a 60 64 70 75 66.7 71.1 77.8 83.3 1 1 1 1 96.8 103.0 113 121 5.2 4.9 4.4 4.1 5 5 5 5 uma78a uma85a uma90a uma100a 78 85 90 100 86.7 94.4 100 111 1 1 1 1 126 137 146 162 4.0 3.6 3.4 3.1 5 5 5 5 uma110a uma120a UMA130A uma150a 110 120 130 150 122 133 144 167 1 1 1 1 177 193 209 243 2.8 2.6 2.4 2.1 5 5 5 5 uma160a uma170a 160 170 178 189 1 1 259 275 1.9 1.8 5 5 * order with ?ca? suffix for bi-directional types. capacitance will be ? that shown in figure 4. 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 mscuma5.0.pd f 10-16 -2003 r ev b
uma5.0a thru uma170ca u ltra m it e? surface mount 500 watt transient voltage suppressor 5.0 to 170 v scottsd a l e division w w w . mi c r o s e m i . c o m uma5.0a ? uma170ca 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 graphs t w micros ec onds figure 1 ? peak pulse power (p pp ) ? kilowatts ve rsu s pulse width (t w ) - mi cro s e c ond s c ? ca pa cita nce - pi cofarads figure 2 lead temp eratu r e o c v (br) - breakdown voltage ? volts peak pulse power (ppp ) or curr e n t (i pp ) in p e rcenta ge of 25 o c ratin g t e st wa ve f o rm par a m et er x s tr = 10 p sec. tp = 10 00 p sec. pulse waveform for expo nential surge figure 3 figure 4 derating curve typical capa citan c e vs. breakdo wn voltage 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 mscuma5.0.pd f 10-16 -2003 r ev b
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 mscuma5.0.pd f 10-16 -2003 r ev b w w w . mi c r o s e m i . c o m uma5.0a thru uma170ca u ltra m it e? surface mount 500 watt transient voltage suppressor 5.0 to 170 v scottsd a l e division uma5.0a ? uma170ca 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 a . 1 7 3 . 1 8 1 4 . 4 0 4 . 6 0 b . 0 8 3 . 0 9 1 2 . 1 0 2 . 3 0 c . 0 3 3 . 0 4 5 . 8 5 1 . 1 5 d . 0 3 3 . 0 4 5 . 8 5 1 . 1 5 e . 0 0 2 . 0 0 2 . 0 5 . 0 5 f . 0 2 0 . 0 2 0 . 5 0 . 5 0 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
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