6.2 & 6.55 volt temperature compensated zener reference 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 1 cop y right ? 200 3 10-27- 2003 re v c w w w . mi c r o s e m i . c o m scottsd a l e division 1n821 thru 1n829a- 1 do-35 1 n 8 2 1 , a , - 1 t h r u 1 n 8 2 9 a - 1 d o - 3 5 h r u 1 n 8 2 9 a - 1 d o - 3 5 descripti on appeara n c e the po pula r 1n8 21 thru 1n8 29a se ries of zero-tc referen c e dio des provide s a selectio n of b o th 6.2 v a nd 6.55 v n o minal volta ges and temperature coeffici ents t o as lo w as 0.0005%/ o c for minimal voltage cha nge with temperature whe n o per ated at 7.5 m a . the s e gl ass axial - leade d do -3 5 refere nce diode s are o p ti onally avai lable with an internal- metallurgical-bond by add ing a ?-1 ? su ffix. this type of bonde d zene r packa ge co n s tru c tion is also ava ila bl e in jan, jantx, and jantxv military quali f ications. microsemi al so offers numerous other z ener referen c e di ode produ cts for a variety of other voltages up to 20 0 v. 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 821 thr u 1n82 9 series ? internal meta ll urgic a l bo nd o p tion av ail a b l e b y add in g a ?-1? suffix ? refere nce volt age se lecti on o f 6.2 v & 6.55 v + / -5% w i t h further tig h t toleranc e op tions at lo w e r voltag e ? 1n8 21, 82 3, 825, 827 and 8 2 9 also h a ve qua lificati on to mil-prf - 195 0 0 /159 b y add in g the jan, jant x, or jant xv prefixes to p a rt nu mbers a w e ll as the ?-1? suffix ; e. g. jant x1n8 29-1, etc. ? militar y surfac e mount equ iv a l ents also av ail abl e in do-213aa b y add ing u r -1 s u ffix a nd the j a n, jant x, and jant xv prefi x , e.g. jant x1n 829 ur-1 (see sep a rate data she e t) ? also ava ila bl e i n do-7 packa g e incl udi ng mil i t ar y qua lificati ons u p to jans (see separate d a ta sheet) ? jans equ ival e n t avail abl e in do-35 via sc d ? provid es mini mal volta ge ch ang es over a b r oad temperatur e ra nge ? f o r instrument ation a nd oth e r circuit desi gns requ irin g a stable vo ltag e referenc e ? maximum tem peratur e coeffi cient sel e ction s avail abl e from 0.01%/oc to 0.000 5%/oc ? t i ght reference voltage tol e ra nces ava ila bl e w i t h center nom ina l value of 6.1 5 v b y a ddi ng d e s ign a ted tolera nce suc h as 1%, 2%, 3% , etc. after the part number for identification e.g. 1n82 7-2 % , 1n829a- 1 -1 %, 1n82 9-1-1 % , etc. ? f l exi b l e a x ia l-l ead mo unti ng termina ls ? nons ensitiv e to esd per mil - st d-750 method 1 0 2 0 ? t y pic a l l o w ca pacita n ce of 10 0 pf or less max i mu m rat ing s mechan ic al an d pa ckagin g ? operatin g t e mperatur es: -65 o c to +175 o c ? storage t e mperatures: -65 o c to +175 o c ? dc po w e r d i ss ipati on: 500 m w @ t l = 25 o c and maximum curr ent i zm of 70 ma. no t e : for optimum vo ltag e-tem per ature stabilit y, i z = 7.5 ma (less than 5 0 mw in dissip a ted po w e r) ? sold er t e mperatures: 260 o c for 10 s (max ) ? case: hermetically seal ed glass case. do-35 (do-204a h) p a ckag e ? 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 ? marking: part number an d cathod e ba nd ( e xc ept dou ble ano de 1n8 22 a nd 1n 824) ? polarit y : r e ferenc e di ode to be oper ated w i th the ban de d en d positiv e w i th respect to the opp osite e nd ? t ape & reel optio n: standa rd per eia-296 (add ?t r? suffix to part number) ? w e igh t : 0.2 grams. ? see pack a g e d i mensi ons o n l a st page do-35 (do-204ah)
6.2 & 6.55 volt temperature compensated zener reference diodes scottsd a l e division 1n821 thru 1n829a- 1 do-35 w w w . mi c r o s e m i . c o m 1 n 8 2 1 , a , - 1 t h r u 1 n 8 2 9 a - 1 d o - 3 5 *electric a l ch ara cteri s tic s @ 25 o c, u n less otherwise specified zener vo lt a g e (no t e 1 a nd 4 ) v z @ i zt zener test curren t i zt ma x i m u m zener imped a n ce (no t e 2) z zt @ i zt ma x i m u m reverse curren t i r @ 3 v vo lt a g e temper a t ure st a b ili t y ( ? v zt ma x ) -55 o c t o +100 o c (no t e 3 a nd 4 ) effective temper a t ure coef ficien t vz jedec type number (no t e 1 & 5 ) v o l t s m a o h m s a m v % / o c 1n8 21 1n8 21a 1n8 22? 1n8 23 5.9 ? 6.5 5.9 ? 6.5 5.9 ? 6.5 5.9 ? 6.5 7.5 7.5 7.5 7.5 15 10 15 15 2.0 2.0 2.0 2.0 96 96 96 48 0.01 0.01 0.01 0.005 1n8 23a 1n8 24? 1n8 25 1n8 25a 5.9 ? 6.5 5.9 ? 6.5 5.9 ? 6.5 5.9 ? 6.5 7.5 7.5 7.5 7.5 10 15 15 10 2.0 2.0 2.0 2.0 48 48 19 19 0.005 0.005 0.002 0.002 1n8 26 1n8 27 1n8 27a 1n8 28 6.2 ? 6.9 5.9 ? 6.5 5.9 ? 6.5 6.2 ? 6.9 7.5 7.5 7.5 7.5 15 15 10 15 2.0 2.0 2.0 2.0 20 9 9 10 0.002 0.001 0.001 0.001 1n8 29 1n8 29a 5.9 ? 6.5 5.9 ? 6.5 7.5 7.5 15 10 2.0 2.0 5 5 0.000 5 0.000 5 *j ede c regis t ered data. ?do uble ano de; electri c al spe c ific ation s apply unde r both bia s pol arities. notes : 1. add a ?-1 ? suffix f o r internal metall urgical bond. when orde ring dev ices w i th tighter t o ler ances than specified for the v z voltage nominal of 6.15 v, add a h y phen ed suffix t o the part numbe r for desired t o ler ance, e.g. 1n82 7 - 1-2 % , 1n82 9-1 - 1%, 1n829a-1 %, 1n 829a-1-1 %, etc. 2. zener imped ance is measured b y superimpos ing 0.75 ma ac rms o n 7.5 ma dc @ 2 5 o c. 3. the ma ximum allowable change o b served over the entire te mpe r atu r e rang e i.e., the diode voltage w ill not exceed t he specified mv cha nge at an y discrete temperat ure b e tween the estab lished lim its. 4. voltage measure m ents to be perf o rmed 15 secon d s after application of dc current. 5. 1n821, 1n 823, 1 n 825, 1n8 27, an d 1n829 also ha ve qualification t o mil-pr f-195 0 0 /159 b y adding t he jan, jant x , or jant xv prefi x to part number s as w e ll as th e ?-1? suffix; e. g. jant x1n82 7 -1, jant xv1 n 82 9-1, etc. 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 ?
6.2 & 6.55 volt temperature compensated zener reference 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 ? 200 3 10-27- 2003 re v c w w w . mi c r o s e m i . c o m scottsd a l e division 1n821 thru 1n829a- 1 do-35 1 n 8 2 1 , a , - 1 t h r u 1 n 8 2 9 a - 1 d o - 3 5 h r u 1 n 8 2 9 a - 1 d o - 3 5 graphs i z ? ope r ating c u rrent (ma) i z ? ope r ating c u rrent (ma) change in tempe r ature coefficient (mv/ o c) change in tempe r ature coefficient (%/ o c) ? v z ? ch ange in zener voltag e ( m v) figure 2 figure 3 typical change of te mperature coeffici en t typical change of ze ner voltage with cha nge in operating current. with cha nge in operating current this cur v e in figur e 3 i llustra te s the change o f diode voltage arisi ng from the e ffe ct o f imped ance . it is in effe c t an e x ploded view o f the z ener opera t in g region o f the i- v c harac terist ic . i n c o n j un ct i o n wi t h f i g u r e 2, t h is c u rv e c a n b e us e d t o estima te to tal volta ge regul ation unde r con d itio ns o f bo th var y ing temper atur e and cu rren t. the cur v e shown in figure 2 i s typi cal of the diode serie s and grea tl y simpli fi es the estimati on o f th e temperature coe ffi ci en t (tc) when the diode i s o pera t e d at curren t s o t her than 7.5ma. exam ple: a diod e in thi s ser i es i s o perated a t a curren t of 7 . 5ma a nd ha s spe c ifie d tempera t ure coe ffi ci en t (tc) limits of +/- 0 .005 % / o c . t o ob tain the typi cal tempera t ur e coeffi cien t limi t s for this same di ode operated a t a curre nt o f 6.0ma, the new tc limits (% / o c) can b e estima ted usin g the graph in figur e 2. at a test cu rren t o f 6.0ma the change i n temperature coe ffi cien t (tc) i s approxima t el y ? 0 .0 006%. o c. the alge braic sum o f + / -0 .0 05% o c and ? 0.0006% / o c gi ves the new estimate d li mits of +0 .0044% /o c and - 0 .005 6%/o c. dimen s io ns all dimensio n s i n i n c h mm
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