e 3 ds16008 rev. 7 - 2 1 of 3 us1a - u s1m www.diodes.co m ? diodes incorporated us1a - us1m 1.0a surface m ount ultra- fast rectifi er single phase, half wave, 60hz, resistive or inductive load. for capac itive load, derate current by 20% . characteristic symbol us1a us1b us1d us1g us1j us1k us1m unit peak repetitive revers e voltage working peak revers e voltage dc blocking voltage (note 5) v rrm v rwm v r 50 100 200 400 600 800 1000 v rms reverse voltage v r (rms) 35 70 140 280 420 560 700 v average rectified output curr ent @ t t = 75 c i o 1.0 a non-repetitive peak forward surge curr ent 8.3ms single half sine-wave superimposed on rated load i fsm 30 a forward voltage drop @ i f = 1.0a v fm 1.0 1.3 1.7 v peak reverse cur rent @ t a = 25 c at rated dc blocking voltage (note 5) @ t a = 100 c i rm 5.0 100 m a reverse rec overy t ime (note 2) t rr 50 75 ns typical total capacitance (n ote 1) c t 20 10 pf typical thermal resistanc e, junction to terminal r q jt 30 c/w operating and storage temperature range t j , t stg -65 to +150 c a b c d g h e j sma dim min max 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 m m features mechanical data case: sma case material: molded plastic. ul flamm ability classification rating 94v-0 moisture sensitivity: level 1 per j- std-020c terminals: lead free plating (matte tin finish). solderable per mil-std-202, method 208 polarity: cathode band or cathode notch marking: type number & date code: see page 3 ordering information: see page 3 weight: 0.064 grams (approximate) notes: 1. measured with i f = 0.5a, i r = 1.0a, i rr = 0.25a. see figure 5. 2. measured at 1.0mhz and applied reverse v oltage of 4.0v dc. 3. unit mounted on pc board with 5.0 mm 2 (0.013 mm thick) copper pad as heat sink. 4. rohs revision 13.2.2003. glass and high temperature solder exemptions applied, see eu directive annex n otes 5 and 7. 5. short durat ion pulse test used to minimize self-heating effect. maximum ratings and elect rical char acterist ics t a = 25 c unless otherwise s pecified glass passivated die construction ultra-fast rec overy t ime for high efficiency surge overload rating to 30a peak high current capability ideally suited for automated assembly lead free finish / rohs compliant (note 4)
ds16008 rev. 7 - 2 2 of 3 us1a - u s1m www.diodes.co m 5 0 v d c a p p r o x o s c i l l o s c o p e ( n o t e 1 ) p u l s e g e n e r a t o r ( n o t e 2 ) d e v i c e u n d e r t e s t t rr s e t ti m e b a s e f o r 5 0 /1 0 0 n s /c m + 0 .5 a 0 a -0 .2 5 a -1 .0 a f ig . 5 r e v e rs e r e c o v e ry t im e c h a ra c te ri s ti c a n d t e s t c ir c u it (+ ) (+ ) (- ) (- ) 0 . 0 1 0 . 1 1 . 0 1 0 1 0 0 1 0 0 0 0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 p e r c e n t o f r a t e d p e a k r e v e r s e v o l t a g e ( % ) f i g . 4 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 = 1 0 0 c j t = 2 5 c j 0 . 0 1 0 . 1 1 . 0 1 0 0 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 ( 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 . 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 1 . 2 1 . 6 2 . 0 u s 1 a - u s 1 d u s 1 g u s 1 j - u s 1 m 0 1 0 2 0 3 0 4 0 1 1 0 1 0 0 i , p e a k f o r w a r d s u r g e c u r r e n t ( a ) f s m n u m b e r o f c y c l e s at 6 0 h z f i g . 3 f o r w a r d s u r g e c u r r e n t d e r a t i n g c u r v e s i n g l e h a l f s i n e - w a v e t = 1 5 0 c j 0 0 . 5 1 . 0 2 5 5 0 7 5 1 0 0 1 2 5 1 5 0 i , a v e r a g e r e c t i f i e d c u r r e n t ( a ) o t , t e r m i n a l t e m p e r a t u r e ( c ) t f i g . 1 f o r w a r d c u r r e n t d e r a t i n g c u r v e
u s 1 x = p r o d u c t t y p e m a r k i n g c o d e , e x . u s 1 a = m a n u f a c t u r e r s ? c o d e m a r k i n g y w w = d a t e c o d e m a r k i n g y = l a s t d i g i t o f y e a r e x : 2 f o r 2 0 0 2 w w = w e e k c o d e 0 1 t o 5 2 y w w u s 1 x ds16008 rev. 7 - 2 3 of 3 us1a - u s1m www.diodes.co m 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 . orderi ng inform ation (note 6) device * packaging shipping us1x-13-f sma 5000/tape & reel marking i nformat ion notes: 6. for packaging details, go to our website at http: //www.diodes.com/datasheets/ap02007.pdf .
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