leadless glass zener diodes scottsd a l e division 1n3821ur-1 thru 1n 3830aur- 1 or mll3821 thru mll3830a w w w . mi c r o s e m i . c o m 1n3 821 ur-1 thru 1n3 830 aur-1 descripti on appeara n c e this surfa c e mountabl e zener di ode serie s is si milar to the lower voltage 1n3 821 thru 1n3 830 jedec regi stration exce pt it is in a surfa c e mount do -213ab p a ckag e outlin e. it is a n id eal sele ction for ap plicatio ns of high den sity and l o w pa ra sitic requireme nts. du e to its gl ass h e rm etic qualitie s and e nha nce d metallu rgi c al bon ded in ternal co nstruction, it i s also well suited for high reli ability applications. this can be acquired by a source control d r awi ng (s cd), or simply by orderin g devi c e types with a mq, mx or mv prefix for equivalent scr een ing to jan, jantx o r jantxv r e spec tively. do -213 ab 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 ? lea dless pack age for surfac e mount equ iva l ent to 1n3 821 thr u 1 n 38 30a. ? ideal for hi gh- d ensit y mou n tin g ? lo w e r voltag e selecti ons of 3. 3 v to 7.5 v ? hermetica ll y s eal ed, do ubl e- slug g l ass con s truction ? metall urgic a ll y enh anc ed cont act constructio n ? options for screen ing i n accor danc e w i th mil - prf - 195 00/1 15 for jan, jant x, and jant xv w i t h mq, mx or mv prefi x es res pectiv e l y for part num b e rs, e.g. mx1 n 3 821a u r -1, mv1n3 8 2 8 aur-1, etc. ? axi a l l ead ?thru - hol e? do-13 p a ckag e s per j e dec registrati on av aila bl e as 1n 3 821a thru 1n3 830a (se e separ ate data sheet w i th mil- prf - 195 00/1 1 5 qua lificati on) ? reg u lates v o ltage ov er a bro ad op erati ng c u rrent and temp eratur e rang e ? lea dless pack age for surfac e mountin g ? t i ght voltage toler ances av ai l abl e ? ideal for hi gh- d ensit y mou n tin g ? metall urgic a ll y enh anc ed inter nal co ntact des ign for greater re lia bil i t y an d lo w e r thermal resist anc e ? nons ensitiv e to esd ? hermetica ll y s eal ed gl ass pa ckage ? specifi ed ca pa citance (se e f i gure 2) ? inhere n tl y r adi ation h a rd as d e scrib ed in mic r osemi micronote 050 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: 1.5 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: 40 o c/w juncti on to en d cap, or 120 o c/w juncti on to ambi ent w h e n mount ed on f r 4 pc boar d (1 oz cu) w i t h reco mmend ed foot print (see last pag e) ? stead y-state p o w e r: 1.50 w a t t s at end-cap temperatur e t ec < 115 o c, or 1.25 w a tts at t a = 2 5 o c w h e n mount ed on f r 4 pc bo ard an d recom m end ed footprint as d e scribe d for thermal resista n ce (also 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: herme ticall y se ale d gl ass melf pac kage ? 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: cathode b a n d on l y ? t ape & reel optio nal: stan dard p e r eia-481-1-a w i t h 12 mm tap e , 1500 per 7 i n ch ree l or 50 0 0 per 13 inc h reel (a dd ?t r? suffix to part numb e r) ? w e igh t : 0.05 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 11-03- 2003 re v b
leadless glass zener diodes scottsd a l e division 1n3821ur-1 thru 1n 3830aur- 1 or mll3821 thru mll3830a w w w . mi c r o s e m i . c o m 1n3 821 ur-1 thru 1n3 830 aur-1 *electric a l ch ara cteri s tic s @ 25 o c m a xim u m zener impeda n ce (note 2 ) nom i n a l zener volta g e v z @ i zt (note 1) zener test current i zt z zt @ i zt z zk @ i zk = 1 m a ma x i mu m zener current i zm (note 3 ) ma x i mu m reverse current i r @ v r typica l tem p . c oeff. of zener volta g e vz i ndustry type num ber * * (note 1) m i crosem i pa r t num ber (note 3) volts m a oh m s oh m s m a a volt s %/ o c 1n3821u r-1 1n3821au r -1 1n3822u r-1 1n3822au r -1 mll3821 mll3821a mll3822 mll3822a 3.3 3.3 3.6 3.6 76 76 69 69 10 10 10 10 400 400 400 400 414 414 378 378 100 100 100 100 1 1 1 1 -.066 -.066 -.058 -.058 1n3823u r-1 1n3823au r -1 1n3824u r-1 1n3824au r -1 mll3823 mll3823a mll3824 mll3824a 3.9 3.9 4.3 4.3 64 64 58 58 9 9 9 9 400 400 400 400 357 357 320 320 50 50 10 10 1 1 1 1 -.046 -.046 -.033 -.033 1n3825u r-1 1n3825au r -1 1n3826u r-1 1n3826au r -1 mll3825 mll3825a mll3826 mll3826a 4.7 4.7 5.1 5.1 53 53 49 49 8 8 7 7 500 500 550 550 291 291 267 267 10 10 10 10 1 1 1 1 -.015 -.015 +/-.010 +/-.010 1n3827u r-1 1n3827au r -1 1n3828u r-1 1n3828au r -1 mll3827 mll3827a mll3828 mll3828a 5.6 5.6 6.2 6.2 45 45 41 41 5 5 2 2 600 600 700 700 243 243 219 219 10 10 10 10 2 2 3 3 +.030 +.030 +.049 +.049 1n3829u r-1 1n3829au r -1 1n3830u r-1 1n3830au r -1 mll3829 mll3829a mll3830 mll3830a 6.8 6.8 7.5 7.5 37 37 34 34 1.5 1.5 1.5 1.5 500 500 250 250 200 200 182 182 10 10 10 10 3 3 3 3 +.053 +.053 +.057 +.057 * jedec reg i stered data for 1n3821 th ru 3830 a equ iv alent s ex cept fo r low e r r e v e rse (lea kage) current i r and higher max i mum zener cu rrent i zm . ** w h e n ap plicable , ad d mq , m x , or m v pre f ix to the 1n3 821aur-1 thru 1n3828aur-1 par t nu mbers for scr eenin g op tion s in a cco rd a nce w i th mil- prf-19500/1 15. note 1: suffi x a sig n ifies a + / -5% toleranc e on nom in al z ener vo ltag e. no suffix d e sig n a tes + / -10% tol e ranc e. if tighter tolera nce i s requ ired, suffi x c is used to identif y + / -2%; and suffi x d is to identif y + / -1% tolera nce. v z is measure d w i t h the di od e i n thermal e qui lib rium in 2 5 o c still air. t he test currents (i zt ) at the listed n o mi nal ze ner volt a ges prov ide a constant 0.2 5 w a tts for this device series p e r jed e c registrati on . note 2: t he zener im ped an ce is deriv ed w hen a 6 0 c y cle ac current hav i ng an rms val u e equ al to 10 % of the dc zene r current (i zt or i zk ) is su perimp o se d on i zt or i zk . z ener impe danc e i s measure d at 2 poi nts to ens ure a shar p kn ee on th e break do w n c u r v e and to e limi nate unst abl e units. see mic r onot e 2 02 for variati on in d y n a mic impe da nc e w i t h differe nt zener curr ents. note 3: t h is prod uct series has be en pr evi ousl y i dentifi e d as mll38 21 t h ru mll 3 8 30a b y micros emi. t h is alternate name ma y stil l be us ed, ho w e ver th e industr y nam e of 1n38 21 u r -1 thru 1n 38 30ur- 1 is pref erred. 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 ?
leadless glass 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 1n3821ur-1 thru 1n 3830aur- 1 or mll3821 thru mll3830a 1n3 821 ur-1 thru 830 aur-1 830 aur-1 outlin e a n d ci rcu i t steady - sta t e po w e r derating p d po w e r di s s i pati o n (w atts) t a t ec t e mp er a t ur e ( o c ) . figure 2 t y pical capacitance vs. reverse voltage figure 1 t y pical zener impe dance vs zener cur r ent fo r t y pes sho w n 1 n 3 figure 3 t y pical zener voltage temperature co eff. vs. zener vol t age pac k ag e dim e n s io ns inch e s m i l l i m e t e r s dim m i n m a x m i n max a 0. 0 9 4 0 . 1 0 5 2. 3 9 2. 6 6 b 0. 1 8 9 0 . 2 0 5 4. 8 0 5. 2 0 c 0. 0 1 6 0 . 0 2 2 0. 4 1 0. 5 5 i n c h e s mm a . 2 7 6 7 . 0 0 b 0. 0 7 0 1 . 8 c 0. 1 1 0 2 . 8 pad layout
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