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 7-23-2 003 rev a w w w . mi c r o s e m i . c o m scottsd a l e division 1n4728ap thru 1n4764ap (plastic) 1 n 4 7 2 8 a p - 1 n 4 7 6 4 a p ( p l a s t i c ) descripti on appeara n c e the pop ula r 1n4 728a thru 1n4 764a serie s of 1.0 watt zeners provides voltage reg u l a tion in a sel e ction fro m 3.3 to 100 volts in 5% toleran c e s with other tole ran c es al so availa ble as id ent ified by different s u ffix letters on the part num ber. these plasti c en cap s ul ated zene rs are moistu re cl assified a s level 1 with n o dry pack re quire d and a r e also avail a b l e in variou s military scree n ing lev e ls by addi ng a prefix identifier as al so d e scrib ed in th e features se ction. micro s e m i also o ffers numerou s other ze ner p r o duct s to meet highe r a nd lower po wer appli c atio n s . do-41 or do-204al ( plastic ) 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 ? exte nsive vo lta ge sel e ctio n from 3.3 to 100 v ? 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) ? reg u lates v o ltage ov er a bro ad op erati ng c u rrent an d temperatur e ra nge ? 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 ? f l exibl e a x i a l-l ead mo unti ng termina ls ? nons ensitiv e to esd per mil - st d-750 method 1 0 2 0 ? moisture classification is level 1 per ipc/jedec 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: 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 + 150 o c ? t hermal resist ance: 45 o c/w juncti on to le ad at 3/8 (10 mm) lead length from body , or 105 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 < 105 o c 3/8 inch (10 mm) fr om body or at t a < 45 o c w hen mounte d on f r 4 pc bo ard a s describ ed for thermal res i sta n ce ab ove (a ls o see 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: 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: 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 oper ated w i t h the ba nd ed e n d positive w i t h respect to the opp osite e nd for z ener re gul ation ? marking: part number ? t ape & reel optio n: standa rd per eia-296 (add ?t r? suffix to part number) ? w e igh t : 0.7 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 1n4728ap thru 1n4764ap (plastic) w w w . mi c r o s e m i . c o m 1 n 4 7 2 8 a p - 1 n 4 7 6 4 a p ( p l a s t i c ) elec tric al ch ara cteri s tic s * 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) 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 p suffix f o r designati ng plastic constructio n , e.g. 1n47 64a p (g suffi x designates glass bod y o p tions de scribed b y separ ate data 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 1n4728ap thru 1n4764ap (plastic) 1 n 4 7 2 8 a p - 1 n 4 7 6 4 a p ( p l a s t i c ) 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) 3/8? f r om b o d y nominal zene r vol t age (volts ) figure 3 or t a on fr4 pc board figure 2 cap a cita nce vs. voltage for rep r e s e n tative types figure 1 temp. coeff. vs. zener vol t age 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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