a b c d g h e j sma dim minmax a 2.29 2.92 b 4.00 4.60 c 1.27 1.63 d 0.15 0.31 e 4.80 5.59 g 0.10 0.20 h 0.76 1.52 j 2.01 2.62 all dimensions in mm features maximum ratings @ t a = 25 c unless otherwise specified mechanical data 1sma4728a-1sma4764a 1 watts sueface mount zener diodes c o m p l e t e v o l t ag e r ang e 3 . 3 t o 100 v o l ts h i gh p e a k r e v e r s e po w e r d i ss i pa t i on h i gh r e li ab ili ty lo w l e a k ag e c u rr e nt s t anda r d z e n e r v o l t ag e t o l e r an c e i s 5 % . c a s e : s m a ( d o - 214 a c ) m o l d e d p l a s t ic e po x y : u l94 v - o r a t e f l a m e r e t a r dant l e ad : l e ad f o r m e d f o r s u r f a c e m ount p o l a r i t y : c o l o r band d e no t e s c a t hod e e nd m oun t i ng po s i t i on : a ny w e i gh t : 0 . 064 g r am ra t ing s ym bol v a lue u nit dc p o w e r d i ss i p a t i o n a t t l = 75 c ( n o t e 1) p d 1 .0 w m ax i m u m f o r w a r d v o l t a g e a t i f = 200 ma v f 1 .2 v j un c t i o n t e m p e r a t u r e r a nge t j - 55 t o + 150 c s t o r a g e t e m p e r a t u r e r a nge ts - 55 t o + 150 c n o t e : ( 1 ) p. c .b. m o un t e d o n 0 . 31 x 0 . 31 x 0 . 08 " ( 8 x 8 x 2 mm ) c o pp e r a r ea s p a d s. 0 25 50 75 100 125 150 175 t l , l ea d t e m pe r a t ur e (c) 1 o f 2 0 . 25 0 . 50 0 . 75 1 . 00 1 . 25 p d , m a x i m u m d i s s i p a t i o n ( w a t t s ) f i g . 1 m a x i m u m c o n t i nu o u s p o w e r d e r a t i ng 0 p .c. b . m oun t ed on 0 . 31 x 0 . 31 x 0 . 08 " (8 x 8 x 2 mm) c opper area s pads
elec t ric a l ch a r a c t eris t ics r a t i ng a t 25 c a m b i e n t t e m p e r a t u r e un l e ss o t h e r w i s e s p e c i f i ed n o m i n a l z e n er m a x i m u m z e n er m a x i m u m r e v e r se m a x i m u m dc m a x i m um v o l t a ge i m p e d a n ce l ea k a g e c u rr e nt z e n e r c u rr e nt s u r g e c u rr e nt v z @ i zt i zt z zt @ i zt z zk @ i zk i zk i r @ v r i zm i rm ( 2) ( v) ( m a) ( w ) ( w ) ( m a) ( m a) ( v) ( m a) ( m a p k) 1 s m a 4728a 3 .3 76 .0 10 400 1 . 0 100 1 .0 276 1380 1 s m a 4729a 3 .6 69 .0 10 400 1 .0 100 1 .0 252 1260 1 s m a 4730a 3 .9 64 .0 9 .0 400 1 .0 50 1 .0 234 1190 1 s m a 4731a 4 .3 58 .0 9 .0 400 1 .0 10 1 .0 217 1070 1 s m a 4732a 4 .7 53 .0 8 .0 500 1 .0 10 1 .0 193 970 1 s m a 4733a 5 .1 49 .0 7 .0 550 1 .0 10 1 .0 178 890 1 s m a 4734a 5 .6 45 .0 5 .0 600 1 .0 10 2 .0 162 810 1 s m a 4735a 6 .2 41 .0 2 .0 700 1 .0 10 3 .0 146 730 1 s m a 4736a 6 .8 37 .0 3 .5 700 1 .0 50 4 .0 133 660 1 s m a 4737a 7 .5 34 .0 4 .0 700 0 .5 50 5 .0 121 605 1 s m a 4738a 8 .2 31 .0 4 .5 700 0 .5 50 6 .0 110 550 1 s m a 4739a 9 .1 28 .0 5 .0 700 0 .5 50 7 .0 100 500 1 s m a 4740a 10 25 .0 7 .0 700 0 . 25 50 7 .6 91 454 1 s m a 4741a 11 23 .0 8 .0 700 0 . 25 50 8 .4 83 414 1 s m a 4742a 12 21 .0 9 .0 700 0 . 25 5 .0 9 .1 76 380 1 s m a 4743a 13 19 .0 10 700 0 . 25 5 .0 9 .9 69 344 1 s m a 4744a 15 17 .0 14 700 0 . 25 5 .0 11 .4 61 305 1 s m a 4745a 16 15 .5 16 700 0 . 25 5 .0 12 .2 57 285 1 s m a 4746a 18 14 .0 20 750 0 . 25 5 .0 13 .7 50 250 1 s m a 4747a 20 12 .5 22 750 0 . 25 5 .0 15 .2 45 225 1 s m a 4748a 22 11 .5 23 750 0 . 25 5 .0 16 .7 41 205 1 s m a 4749a 24 10 .5 25 750 0 . 25 5 .0 18 .2 38 190 1 s m a 4750a 27 9 .5 35 750 0 . 25 5 .0 20 .6 34 170 1 s m a 4751a 30 8 .5 40 1000 0 . 25 5 .0 22 .8 30 150 1 s m a 4752a 33 7 .5 45 1000 0 . 25 5 .0 25 .1 27 135 1 s m a 4753a 36 7 .0 50 1000 0 . 25 5 .0 27 .4 25 125 1 s m a 4754a 39 6 .5 60 1000 0 . 25 5 .0 29 .7 23 115 1 s m a 4755a 43 6 .0 70 1500 0 . 25 5 .0 32 .7 22 110 1 s m a 4756a 47 5 .5 80 1500 0 . 25 5 .0 35 .8 19 95 1 s m a 4757a 51 5 .0 95 1500 0 . 25 5 .0 38 .8 18 90 1 s m a 4758a 56 4 .5 110 2000 0 . 25 5 .0 42 .6 16 80 1 s m a 4759a 62 4 .0 125 2000 0 . 25 5 .0 47 .1 14 70 1 s m a 4760a 68 3 .7 150 2000 0 . 25 5 .0 51 .7 13 65 1 s m a 4761a 75 3 .3 175 2000 0 . 25 5 .0 56 .0 12 60 1 s m a 4762a 82 3 .0 200 3000 0 . 25 5 .0 62 .2 11 55 1 s m a 4763a 91 2 .8 250 3000 0 . 25 5 .0 69 .2 10 50 1 s m a 4764a 100 2 .5 350 3000 0 . 25 5 .0 76 .0 9 .0 45 n o t es : ( 1 ) t h e t y p e nu m b e r li s t e d h a v e a s t a nd a r d t o l e r a n c e o n t h e n o m i n a l z e n e r v o l t a g e o f 5 %. ( 2 ) t h e r e v e s e s u r g e c u rr e n t i s a n o n -r e p e t i t i v e , 8 . 3 m s pu l s e w i d t h s qu a r e w a v e o r e qu i v a l e n t s i n e - w a v e s up e r i m p o s ed o n i zt p e r j e d e c m e t h od 2 o f 2 t y pe
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