8.5 volt temperatur e compensat ed zener reference diodes scottsd a l e division 1n4775 thru 1N4784A w w w . mi c r o s e m i . c o m 1 n 4 7 7 5 ? 1 n 4 7 8 4 a 4 7 7 5 ? 1 n 4 7 8 4 a descripti on appeara n c e the 1 n 477 5 thru 1 n 47 84a seri es of ze ro-t c refe ren c e di ode s p r ovides a sele ction of 8.5 v nominal voltages and temperature coeffici ents t o as l o w as 0.000 5%/ o c fo r mini mal voltage ch an ge with tem p eratu r e wh en operated at 7.5 ma. option s for scre enin g si mi lar to ja n, j a ntx, jant xv, and jans also ex ist by u s ing mq, mx, mv or msp re sp ectively for p a rt nu mbe r prefixes an d high relia bili ty screeni ng. micro s emi also offers n u merou s other z ene r referen c e di ode p r od uct s for a va riety of other volta ges f r om 6.2 v to 200 v do-7 (do-204aa) 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 1n477 5 thru 1 n 47 84a series ? standar d refer ence vo ltag e of 8.5 v + / - 5% ? internal meta ll urgic a l bo nds ? 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 respectiv e l y to part numb e rs. f o r exampl e, desi gnat e ?mx1n4 779a? for a jant x, or mv1n4 784a fo r a jant xv screen. ? radi atio n har d ene d dev ices a v aila bl e b y c h a ngi ng the ?1n? prefi x to ?rh?, e.g. rh47 79a, rh4 7 84a, etc. also consult factor y for ? rh? data sh eet broch u re for other rad i atio n h a rde ned r e fere nce dio de pro ducts . ? provid es mini mal volta ge ch ang es over a b r oad temperatur e ra nge for inst rum entatio n an d other circuit des igns requ irin g a volt age refer enc e ? t e mperature coefficie n t selec t ions ava ila bl e from 0.01%/oc to 0. 000 5%/oc ? t i ght voltage toler ances av ai l abl e b y ad din g tolera nce 1 % , 2%, 3%, etc. after part numbe r for further ide n tific a tion, e.g. 1n 4 773a- 2 %, 1n 4 774a- 1%, 1n4 7 6 9 -3 %, 1n47 69a- 1 %, etc. ? f l exibl e a x i a l-l ead ed mo untin g termina ls ? nons ensitiv e to esd per mil - st d-750 method 1 0 2 0 max i mu m rat ing s mechan ic al an d pa ckagin g ? operatin g & storag et empera t ure: -65 o c to +175 o c ? dc po w e r d i ss ipati on: 250 m w @ t l = 25 o c not e : for optimum volta ge-t e mper ature sta b ilit y, the test current i zt = 0.5 or 1.0 ma as sho w n i n electrical c har acteristics (les s than 10 mw in dissip a ted po w e r) ? sold er temper atures: 260 o c for 10 s (max i mum) ? case: hermetically sealed glass case w i th do-7 (d o-2 0 4 aa) pa cka ge ? t e rminals: t i n-lead pl ated and sol der abl e per mil-st d-750, method 2 0 2 6 ? marking: part number an d cathod e ba nd ? 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 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 8-19-2 003 rev a
8.5 volt temperatur e compensat ed 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 2 cop y right ? w w w . mi c r o s e m i . c o m scottsd a l e division 1n4775 thru 1N4784A 1 n 4 7 7 5 ? 1 n 4 7 8 4 a *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 5) zener test curren t ma x i m u m dyn a m i c imped a n ce ma x i m u m reverse curren t i r @ 6 v ma x i m u m vo lt a g e temper a t ure st a b ili t y (no t e 3 & 5 ) temper a t ure ra n g e effective temper a t ure co mpensi a t i o ns vz v z @ i zt i zt z zt i r ? v zt jedec type number vo l t s m a o h m s a m v o c % / o c 1n4775 1n4775 a 1n4776 1n4776 a 8.5 8.5 8.5 8.5 0.5 0.5 0.5 0.5 200 200 200 200 10 10 10 10 64 132 32 66 0 to + 75 -55 to +100 0 to + 75 -55 to +100 0.01 0.01 0.005 0.005 1n4777 1n4777 a 1n4778 1n4778 a 8.5 8.5 8.5 8.5 0.5 0.5 0.5 0.5 200 200 200 200 10 10 10 10 13 26 6 13 0 to + 75 -55 to +100 0 to + 75 -55 to +100 0.002 0.002 0.001 0.001 1n4779 1n4779 a 1n4780 1n4780 a 8.5 8.5 8.5 8.5 0.5 0.5 1.0 1.0 200 200 100 100 10 10 10 10 3 7 64 132 0 to + 75 -55 to +100 0 to + 75 -55 to +100 0.0005 0.0005 0.01 0.01 1n4781 1n4781 a 1n4782 1n4782 a 8.5 8.5 8.5 8.5 1.0 1.0 1.0 1.0 100 100 100 100 10 10 10 10 32 66 13 26 0 to + 75 -55 to +100 0 to + 75 -55 to +100 0.005 0.005 0.002 0.002 1n4783 1n4783 a 1n4784 1n4784 a 8.5 8.5 8.5 8.5 1.0 1.0 1.0 1.0 100 100 100 100 10 10 10 10 6 13 3 7 0 to + 75 -55 to +100 0 to + 75 -55 to +100 0.001 0.001 0.0005 0.0005 *j ede c regis t ered data. notes: 1. desig nate r a d i atio n hard en e d devic es w i th ?rh? prefi x inst ead of ?1n,? i.e., rh478 4a. cons ult factor y for t x , t x v or jans equ ival e n t scds. 2. measur ed b y s uper impos ing i z ac rms on i z dc @ 25 o c w h ere i z ac rms = 10% i z dc. 3. maximum al lo w a bl e cha n g e bet w e en a n y t w o discr ete te mperatur es ov er the spec ifi e d temperature c han ge. 4. w hen ord e rin g devices w i t h a tighter tolera n c e than sp ecifi ed, use a n o mi nal ce nt er volta ge of 8.4 volts. 5. voltag e meas u r ements to be performe d 15 s e con d s after a pplic atio n of dc current. pac k ag e dim e n s io ns all dimensions in : i n c h m m
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