lead-free ds30176 rev. 6 - 2 1 of 3 mmbd4448h www.diodes.co m ? diodes incorporated mmbd4448h surface mo unt swit ching di ode 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). polarity: see diagram marking: ka3 (see page 3) weight: 0.008 grams (approximate) mechanical data a e j l t o p v i e w m b c h g d k features characteristic symbol value unit non-repetitive peak revers e voltage v rm 100 v peak repetitive revers e voltage working peak revers e voltage dc blocking voltage v rrm v rwm v r 80 v rms reverse voltage v r (rms) 57 v forward continuous cur rent (note 1) i fm 500 ma average rectified output curr ent (note 1) i o 250 ma non-repetitive peak forward surge curr ent @ t = 1.0 m s @ t = 1.0s i fsm 4.0 2.0 a power dissipation (note 1) p d 350 mw thermal resistance j unction to ambient air (note 1) r q ja 357 c/w operating and storage temperature range t j , t stg -65 to +150 c maximum ratings @ t a = 25 c unless otherwise s pecified notes: 1. part mounted on fr-4 board with recommended pad layout, which can be found on our website at http :// www .diodes.com/ datasheets /ap02001. pdf . 2. short durat ion test pulse used to minimize self-heating effect. 3. no purposefully added lead. characteristic symbol min max unit test condition reverse break down voltage (note 2) v (br)r 80 ? v i r = 2.5 m a forward voltage v f 0.62 ? ? ? 0.72 0.855 1.0 1.25 v i f = 5.0ma i f = 10ma i f = 100ma i f = 150ma reverse cur rent (note 2) i r ? 100 50 30 25 na m a m a na v r = 70v v r = 75v, t j = 150 c v r = 25v, t j = 150 c v r = 20v total capacitance c t ? 3.5 pf v r = 6v, f = 1.0mhz reverse rec overy t ime t rr ? 4.0 ns v r = 6v, i f = 5ma electri cal character isti cs @ t a = 25 c unless otherwise s pecified fast switching speed surface mount package ideally suited for automatic inser tion for general purpos e switching applications high conductance lead free /rohs co mpliant (note 3 ) 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 t o p v i e w
ds30176 rev. 6 - 2 2 of 3 mmbd4448h www.diodes.co m 0 . 1 1 1 0 1 0 0 1 0 0 0 1 0 0 0 0 0 2 0 4 0 6 0 8 0 1 0 0 v , r e v e r s e v o l t a g e ( v ) r f i g . 2 t y p i c a l r e v e r s e c h a r a c t e r i s t i c s i , i n s t a n t a n e o u s r e v e r s e c u r r e n t ( n a ) r t = - 4 0 o c a t = 2 5 o c a t = 7 5 o c a t = 1 2 5 o c a t = 0 o c a 1 0 1 0 0 1 0 0 0 1 0 . 1 0 1 . 6 1 . 2 0 . 4 0 . 8 i , i n s t a n t a n e o u s f o r w a r d c u r r e n t ( m a ) f v , i n s t a n t a n e o u s f o r w a r d v o l t a g e ( v ) f f i g . 1 ty p i c a l f o r w a r d c h a r a c t e r i s t i c s t = 1 2 5 o c a t = - 4 0 o c a t = 7 5 o c a t = 2 5 o c a t = 0 o c a 0 0 . 5 1 2 . 5 2 1 . 5 3 0 1 0 2 0 4 0 3 0 5 0 c , t o t a l c a p a c i t a n c e ( p f ) t v , r e v e r s e v o l t a g e ( v ) r f i g . 3 t y p i c a l c a p a c i ta n c e v s . r e v e r s e v o l ta g e f = 1 m h z 0 1 2 0 8 0 4 0 1 6 0 2 0 0 t , a m b i e n t t e m p e r a t u r e ( o c ) a f i g . 4 p o w e r d i s s i p a t i o n d e r a t i n g p , p o w e r d i s s i p a t i o n ( m w ) d 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0
ds30176 rev. 6 - 2 3 of 3 mmbd4448h www.diodes.co m 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 date code key k a 3 y m ka3 = product type marking code ym = date code marking y = year ex: n = 2002 m = month ex: 9 = september marking i nformat ion device packaging shipping MMBD4448H-7-F sot-23 3000/tape & reel orderi ng inform ation (note 4) notes: 4. for packaging details, go to our website at http :// www .diodes.com/ datasheets /ap02007. pdf . 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 . year 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 code m n p r s t u v w x y z
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