ds12002 rev. 14 - 2 1 of 3 1n4448w www.diodes.co m ? diodes incorporated 1n4448w fast swi tching surface mo unt dio de case: sod-123 case material: molded plastic. ul flammabili ty 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: cathode band marking: date code and type code: see page 3 type code: t5 ordering information see page 3 weight: 0.01 grams (approximate) mechanical data 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 75 v rms reverse voltage v r (rms) 53 v forward continuous cur rent i fm 500 ma average rectified output curr ent 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 2) p d 400 mw thermal resistance j unction to ambient air (note 2) r q ja 315 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 characteristic symbol min max unit test condition reverse break down voltage (note 1) v (br)r 75 ? v i r = 10 m a forward voltage v fm 0.62 ? ? ? 0.72 0.855 1.0 1.25 v i f = 5.0ma i f = 10ma i f = 100ma i f = 150ma peak revers e current (note 1) i rm ? 2.5 50 30 25 m a m a m a na v r = 75v v r = 75v, t j = 150 c v r = 25v, t j = 150 c v r = 20v total capacitance c t ? 4.0 pf v r = 0, f = 1.0mhz reverse rec overy t ime t rr ? 4.0 ns i f = i r = 10ma, i rr = 0.1 x i r , r l = 100 w 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 ) qualified t o aec-q101 standards for high reliability notes: 1. short durat ion pulse test used to minimize self-heating effect. 2. part mounted on fr-4 pc board with minimum recomm ended pad layout, which can be found on our website at http :// www .diodes.com/ datasheets /ap02001. pdf . 3. no purposefully added lead. sod-123 dim min max a 3.55 3.85 b 2.55 2.85 c 1.40 1.70 d ? 1.35 e 0.45 0.65 0.55 typical g 0.25 ? h 0.11 typical j ? 0.10 a 0 8 all dimensions in m m a b c d e g h j lead-free
ds12002 rev. 14 - 2 2 of 3 1n4448w www.diodes.co m 1 0 1 0 0 1 0 . 1 0 1 0 0 0 8 0 0 2 0 0 4 0 0 6 0 0 i , f o r w a r d c u r r e n t ( m a ) f v , f o r w a r d v o l t a g e ( m v ) f f i g . 2 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 a = - 3 0 c t a = 5 0 c t a = 0 c t a = 8 5 c t a = 2 5 c 0 2 5 5 0 7 5 1 0 0 1 2 5 1 5 0 p , p o w e r d i s s i p a t i o n ( m w ) d t , a m b i e n t t e m p e r a t u r e ( c ) a f i g . 1 p o w e r d e r a t i n g c u r v e 0 2 0 0 4 0 0 5 0 0 1 0 0 3 0 0 0 4 6 8 2 1 0 i , f o r w a r d c u r r e n t ( m a ) f f i g . 4 r e v e r s e r e c o v e r y tim e v s . f o r w a r d c u r r e n t t , r e v e r s e r e c o v e r y t i m e ( n s ) r r 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 0 . 1 0 1 . 0 1 0 . 0 0 . 0 1 0 . 0 0 1 0 2 0 4 0 6 0 8 0 v , r e v e r s e v o l t a g e ( v ) r f i g . 3 ty 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 t a = 1 0 0 c t a = 0 c t a = 7 5 c t a = 5 0 c t a = 2 5 c t a = - 3 0 c 0 4 3 2 5 1 6 v , r e v e r s e v o l t a g e ( v ) r f i g . 5 t o t a l c a p a c i t a n c e v s . r e v e r s e v o l t a g e c , t o t a l c a p a c i t a n c e ( p f ) t 0 1 2 3 4 f = 1 m h z
ds12002 rev. 14 - 2 3 of 3 1n4448w 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 marking i nformat ion t 5 y m t5 = product type mar king code ym = date code marking y = year (ex: n = 2002) m = month (ex: 9 = september) notes: 4. for packaging details, go to our website at http:/ /www.diodes.com/datasheets/ap02007.pdf. device packaging shipping 1N4448W-7-F sod-123 3000/tape & reel orderi ng inform ation (note 4) year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 code j k l m n p r s t u v w i m p o r t a n t n o t i c e d i o d e s , i n c . 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 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 t o m a k e c o r r e c t i o n s , 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 , o r o t h e r c h a n g e s . d i o d e s , i n c . 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 t h e p r o d u c t s l o c a t e d o n o u r w e b s i t e a t w w w . d i o d e s . c o m a r e n o t r e c o m m e n d e d f o r u s e i n l i f e s u p p o r t s y s t e m s w h e r e a f a i l u r e o r m a l f u n c t i o n o f t h e c o m p o n e n t m a y d i r e c t l y t h r e a t e n l i f e o r c a u s e i n j u r y 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 d i o d e s i n c o r p o r a t e d .
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