silicon 1 watt zener d i odes 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 8-20-2 003 rev b w w w . mi c r o s e m i . c o m scottsd a l e division 1n4728ag thru 1n4764ag (glass) 1 n 4 7 2 8 a g - 1 n 4 7 6 4 a g ( g l a s s ) 7 2 8 a g - 1 n 4 7 6 4 a g ( g l a s s ) descripti on appeara n c e the p opula r 1n4 728a g thru 1 n 4 764 ag gla ss bo dy se rie s of 1.0 watt zene rs provi des volta ge regulatio n in a sel e ctio n from 3.3 to 1 0 0 volts in 5% tolera nce s with othe r tighter tol e r a n c e s al so avai lable a s id en tified by different suffi x letters on the pa rt n u m ber. th ese gla s s e n capsulated zene rs with a g suffix provide he rm eti c -seal ed qual ities an d hig her rate d temperature whe n requi re d beyo nd th at option a lly provide d in t he sam e size do-41 p l astic-bo dy (p suffix) fo r th ese je dec p a rt nu mbe r s. both of these p a cka g e option s are available by microsemi. a variety of oth e r zen e r prod uct offeri ngs an d p a ckage s a r e ava ilable by microsemi to m e et high er and lo wer p o w er o r test cu rre nt appli c ati ons. do-41 or do-204al ( glass ) 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 ? jedec reg i ste r ed 1n 472 8a to 1n4 7 6 4 a ? options for screen ing i n accor danc e w i th mil - prf - 195 00 for jan, jan t x, jant xv, and jans are ava ila bl e b y a ddi ng mq, mx, mv, or msp prefi x es res pec tivel y t o part nu mbers. ? surface mou n t equ ival ents av aila bl e as smaj472 8a to smaj4764a a nd mll 4 7 28a to mll4 764 a (co n sult factor y fo r others) ? plastic bo d y a x ial-l e a ded z e n e r equ ival ents are also av ail abl e as 1n4 7 2 8 ap to 1n4 7 6 4 ap ? reg u lates v o ltage ov er a bro ad op erati ng c u rrent and temp eratur e rang e ? exte nsive vo lta ge sel e ctio n from 3.3 to 100 v ? f l exibl e a x i a l-l ead mo unti ng termina ls ? 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 t h c or d suf f ix respectively ? nons ensitiv e to esd per mil - st d-750 method 1 0 2 0 ? hermetica ll y s eal ed gl ass bo d y c onstructio n 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: 1.0 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 + 175 o c ? t hermal resist ance: 80 o c/w juncti on to le ad at 3/8 (10 mm) lead length from body , or 140 o c/w juncti on to amb i ent w h en mo u n ted on f r 4 p c boar d (1 oz cu ) w i th 4 mm 2 copp er pa ds an d track w i dth 1 m m , length 25 m m ? stead y-state p o w e r: 1.0 w a tts at t l < 95 o c 3/8 inch (10 mm) fr om body or 1. 00 w a tt at t a < 35 o c w h e n mount ed on f r 4 pc bo ard as descr ib ed for thermal resi stance ab ove ( a lso se e f i gur e 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 (max ) ? case: hermetically sealed ax ial-lead glass package ? t e rminals: lea ds, tin-le ad plated so ld era b le p e r mil-st d-750, method 2 0 2 6 ? 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 the opp osite e nd for z ener reg u l a tion ? marking: part number ? t ape & reel optio n: standa rd per eia-296 (add ?t r? suffix to part number) ? w e igh t : 0.4 grams ? see pack a g e d i mensi ons o n l a st page
silicon 1 watt zener d i odes scottsd a l e division 1n4728ag thru 1n4764ag (glass) w w w . mi c r o s e m i . c o m 1 n 4 7 2 8 a g - 1 n 4 7 6 4 a g ( g l a s s ) elec tric al ch ara cteri s tic s * zener volta g e (note 4) (vz ) test current (i zt ) ma x i mu m dyn a m i c impeda nce (note 2) (z zt @ i zt ) 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 t a = 50 o c (i zm ) ma x i mu m knee impeda nce (note 2) (z zk @ i zk ) test current (i zk ) ma x i mu m (surge) current (note 3) (i s ) jedec type number (no t e 1) v o l t s m a oh m s a v o l t s m a o h ms ma ma 1n4728a 1n4729a 1n4730a 1n4731a 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 1380 1260 1190 1070 1n4732a 1n4733a 1n4734a 1n4735a 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 1n4736a 1n4737a 1n4738a 1n4739a 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 1n4740a 1n4741a 1n4742a 1n4743a 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 1n4744a 1n4745a 1n4746a 1n4747a 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 1n4748a 1n4749a 1n4750a 1n4751a 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 1000 0.25 0.25 0.25 0.25 205 190 170 150 1n4752a 1n4753a 1n4754a 1n4755a 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 1000 1000 1000 1500 0.25 0.25 0.25 0.25 135 125 115 110 1n4756a 1n4757a 1n4758a 1n4759a 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 1500 1500 2000 2000 0.25 0.25 0.25 0.25 95 90 80 70 1n4760a 1n4761a 1n4762a 1n4763a 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 2000 2000 3000 3000 0.25 0.25 0.25 0.25 65 60 55 50 1 n 4 7 6 4 a 1 0 0 2 . 5 3 5 0 5 7 6 . 0 9 3 0 0 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 g suffix f o r designati ng glass construction (p suffix designat es plas tic body options described b y sepa rate da ta sheet).. 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 e quiva lent sine w a ve pulse 1/120 second duration 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 1 watt zener d i odes 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 1n4728ag thru 1n4764ag (glass) 1 n 4 7 2 8 a g - 1 n 4 7 6 4 a g ( g l a s s ) 7 2 8 a g - 1 n 4 7 6 4 a g ( g l a s s ) graphs t l , lead temp. ( o c) 3/8? f r om b o d y nominal zene r vol t age (volts ) figure 3 temperature co efficient mv/oc rated p o w e r dissipation - w t l t a on fr4 pc board or t a o n fr4 pc bo ard figure 2 cap a cita nce vs. voltage figure 1 temp. coeff. vs. zener vol t age for repres entative types powe r de rati ng cu rv e pac k ag e dimen s io ns ( d o-41 or do-204 al)
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