lead-free ds30370 rev. 5 - 2 1 of 3 bzx84c43 - bzx84c 51 www.diodes.co m ? diodes incorporated bzx84c 43 - bzx84c 51 350mw surface mo unt zener dio de features planar die construction 350mw power dissipation zener voltages from 43v - 51v ideally suited for automated assembly process es lead free /rohs co mpliant (note 3 ) mechanical data a e j l t o p v i e w m b c h g d k characteristic symbol value unit forward voltage @ i f = 10ma v f 0.9 v power dissipation (note 1) p d 300 mw power dissipation (note 2) p d 350 mw thermal resistance, j unction to ambient air (note 1) r q ja 417 c/w thermal resistance, j unction to ambient air (note 2) r q ja 357 c/w operating and storage temperature range t j , t stg -65 to +150 c notes: 1. device mounted on fr-4 pc board with recommended pad layout, which can be found on our webs ite at http :// www .diodes.com/ datasheets /ap02001. pdf . 2. valid provided the terminals are kept at ambient t emperature. 3. no purposefully added lead. maximum ratings @ t a = 25 c unless otherwise s pecified sot-23 dim min max a 0.37 0.51 b 1.20 1.40 c 2.30 2.50 d 0.89 1.03 e 0.45 0.60 g 1.78 2.05 h 2.80 3.00 j 0.013 0.10 k 0.903 1.10 l 0.45 0.61 m 0.085 0.180 a 0 8 all dimensions in m m case: sot-23 case material: molded pl astic. ul flamm ability classification rating 94v-0 moisture sensitivity: level 1 per j-std-020c terminals: solderable per mil-std-202, method 208 lead free plating (matte tin finish annealed over alloy 42 leadframe). please see order ing information, note 7, on page 3 polarity: see diagram marking: type code and date code, see page 3 type code: see table on page 2 weight: 0.008 grams (approximate) top view
ds30370 rev. 5 - 2 2 of 3 bzx84c43 - bzx84c 51 www.diodes.co m electri cal character isti cs @ t a = 25 c unless otherwise s pecified notes: 4. f = 1khz. 5. short duration t est pulse used to minimize s elf-heating ef fect. type number type code zener v oltage range (note 5) maximum ze ner impedance (note 4) maximum reverse current (note 5) typical temperat ure coefficient @ i zt mv/ c v z @ i zt i zt z zt @ i zt z zk @ i zk i r v r min max nom (v) min (v) max (v) (ma) ( w ) ( w ) (ma) ( m a) (v) bzx84c43 y15/ kyf 43 40.0 46.0 2.0 150 375 0.5 0.1 30.1 10.0 12.0 bzx84c47 y16/ kyg 47 44.0 50.0 2.0 170 375 0.5 0.1 32.9 10.0 12.0 bzx84c51 y17/ kyh 51 48.0 54.0 2.0 180 400 0.5 0.1 35.7 10.0 12.0 40 0 t , a m bi en t t em pe ra tu re , ( c ) a fi g. 1 p ow er d er at in g c ur ve p , p o w e r d i s s i p a t i o n ( m w ) d 20 0 10 0 30 0 0 50 0 0 10 0 20 0 no te 1 no te 2 0 2 4 6 8 1 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 i , z e n e r c u r r e n t ( m a ) z v , z e n e r v o l t a g e ( v ) z f ig . 2 z e n e r b re a kd o w n c h a ra ct e ri st ic s t = 25 c j t es t c ur re nt i z 2m a c4 3 c4 7 c5 1 c , t o t a l c a p a c i t a n c e ( p f ) t 1 1 0 1 0 0 1 0 0 1 0 v , n o m i n a l z e n e r v o l t a g e ( v ) z f i g . 3 t o t a l c a p a c i t a n c e v s n o m i n a l z e n e r v o l t a g e t = 2 5 c j f = 1 m h z v = 1 v r v = 2 v r
ds30370 rev. 5 - 2 3 of 3 bzx84c43 - bzx84c 51 www.diodes.co m notes: 6. for packaging details, go to our website at http :// www .diodes.com/ datasheets /ap02007. pdf . orderi ng inform ation (note 6) month jan feb mar apr may jun jul aug sep oct nov dec code 1 2 3 4 5 6 7 8 9 o n d date code key kxx = product type marking code (see page 2) ym = date code marking y = year ex: t = 2006 m = month ex: 9 = september k x x y m marking i nformat ion (thi s part may be m arked as figure a or b bel ow) year 2006 2007 2008 2009 2010 2011 2012 code t u v w x y z device packaging shipping (type number) -7-f sot-23 3000/tape & reel * add ?-7? to t he appropriate type number in table 1 (on page 2). example: 43v zener = BZX84C43-7-F. figure a month jan feb march apr may jun jul aug sep oct nov dec code 1 2 3 4 5 6 7 8 9 o n d year 2006 2007 2008 2009 2010 2011 2012 code m n p r s t u date code key figure b y m x x xx = product type marking code (see page 2) ym = date code marking y = year ex: t = 2006 m = month ex: 9 = september i m p o r t a n t n o t i c e d i o d e s i n c o r p o r a t e d a n d i t s s u b s i d i a r i e s r e s e r v e t h e r i g h t t o m a k e m o d i f i c a t i o n s , e n h a n c e m e n t s , i m p r o v e m e n t s , c o r r e c t i o n s o r o t h e r c h a n g e s w i t h o u t f u r t h e r n o t i c e t o a n y p r o d u c t h e r e i n . d i o d e s i n c o r p o r a t e d d o e s n o t a s s u m e a n y l i a b i l i t y a r i s i n g o u t o f t h e a p p l i c a t i o n o r u s e o f a n y p r o d u c t d e s c r i b e d h e r e i n ; n e i t h e r d o e s i t c o n v e y a n y l i c e n s e u n d e r i t s p a t e n t r i g h t s , n o r t h e r i g h t s o f o t h e r s . t h e u s e r o f p r o d u c t s i n s u c h a p p l i c a t i o n s s h a l l a s s u m e a l l r i s k s o f s u c h u s e a n d w i l l a g r e e t o h o l d d i o d e s i n c o r p o r a t e d a n d a l l t h e c o m p a n i e s w h o s e p r o d u c t s a r e r e p r e s e n t e d o n o u r w e b s i t e , h a r m l e s s a g a i n s t a l l d a m a g e s . l i f e s u p p o r t d i o d e s i n c o r p o r a t e d p r o d u c t s a r e n o t a u t h o r i z e d f o r u s e a s c r i t i c a l c o m p o n e n t s i n l i f e s u p p o r t d e v i c e s o r s y s t e m s w i t h o u t t h e e x p r e s s e d w r i t t e n a p p r o v a l o f t h e p r e s i d e n t o f d i o d e s i n c o r p o r a t e d .
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