data sheet semiconductor http://www.yeashin.com 1 rev.02 20110725 us2a thru us2m surface mount reverse voltage - 50 to 1000 volts ult ra f a st re cti fiers forward current - 2 ampere fe a t ures ?e glas s pa ssiv a ted chi p ?e ul tra fa st sw itchi ng for hi gh e f fici ency ?e for surface mou n ted appli c ations ?e l o w forw ard v o ltage drop and high curren t cap ability ?e l o w rev e rse leakage curren t ?e plasti c ma terial h a s ul fl a mmability cla ssi fi cati on 94 v-0 high tempera t ure sol dering : 260 ?e o c / 10 se cond s at te r m inals ?e pb free produ ct a t av ailable : 9 9 % sn abov e meet rohs env ironment sub s t a n c e dire ctiv e reque st m e c h a n c a l d at a ?e ca se : ito-220a b fu ll molde d pl asti c pa ckage ?e ca se : molded pl asti c ?e polari ty : indi cate d by cathode band ?e w e i ght : 0 . 002 o unce s , 0 . 064 gram s m a xim u m r a ti ng s a n d electric a l ch a r a c teristi c s r a tings a t 2 5 j a m bient tempera t ure unle s s o t herw i se speci f ied. single p hase , hal f w a v e , 60hz, re sisti v e or inductiv e load . for cap a ci tiv e load, dera t e curr ent by 20% ch a r a c t e r i s t i c s s y m b ol us2a uni ts m a x i mum recurre n t peak rev e rse v o ltage vrrm 5 0 1 0 0 2 0 0 4 0 0 6 0 0 8 0 0 1 0 00 v max i mum r m s vo ltage vrms 3 5 7 0 1 4 0 2 8 0 4 2 0 5 6 0 7 0 0 v m a x i mum dc blo cking voltage v d c 5 0 1 0 0 2 0 0 4 0 0 6 0 0 8 0 0 1 0 00 v m a x i mum a verage for w a rd rectified current @tl =75 x c i a v 2 . 0 a peak for w a rd surge current 8.3ms s i ngle ha lf sine- w av e super imposed on r a ted l o ad (jedec m e thod) i f s m 6 0 a m a xi m u m f o rw ar d v o l t a g e a t 1 . 0 a dc v f 1 . 0 1 . 3 1 . 5 1 . 7 v m a xi mum dc rever s e cur r e nt @tj =25 x c at rated dc b l ock i ng voltage @tj =100 x c ir 5 100 a m a x i mum rev e rse recov e r y time (note 1) c j 2 0 1 0 p f t y pi cal juncti on capacitance (note 2) t r r 5 0 7 5 n s t y pical therma l r esistance (note 3 ) r ? jc 30 x c/w oper ati ng temp erature range t j - 5 5 t o + 1 5 0 x c stor age tempe r atur e range tstg -55 to +150 x c notes: 1. mea s ure d a t 1 m h z and appli ed r e verse v o ltage o f 4 . 0 vdc. 2. rev e rse re cov e ry test condi tion s: i f =. 5a , i r =1a , irr= .25a. 3. thermal re si sta n c e from ju nction to ambient and from j unction to l ead 0.37 5? (9 .5mm) p . c.b mounted . us2b us2d US2G us2j us2m us2k sma/do-214ac unit:inch(mm) .062(1.60) .0 47(1.20) .012(.305) .006(.152) .008(.203 ) .002(.051) .060(1. 52) .030(0.76) .181 (4. 60 ) .157(4.00) .208(5. 28) .188(4.80) .114(2.90 ) .098(2.50) . 096(2.44 ) .078(2.00)
rating and characteristic curves http://www.yeashin.com 2 rev.02 20110725 us2a thru us2m n o t e : 1 . r i s e t i m e = 7n s m a x . i npu t i m pedan c e = 1 m egoh m . 22p f 2 . r i s e t i m e = 10n s m a x . s ou r c e i m pedan c e = 50 o h m s t r r +0.5a 0 -0.25 -1.0 se t t i m e 1 c m base f o r 50 n s / c m f i g . 1 - r e v e r s e r e c o v e r y t i m e c h a r a c t e r i s t i c a n d t e s t c i r c u i t d i a g r a m 1 0 1 . 0 0 . 1 . 0 1 0 . 2 . 4 . 6 . 8 1 . 0 1 . 2 1 . 4 t y p i c a l t j = 25 j us 2 a us 2 g us 2 m 2 . 0 2 5 5 0 7 5 1 0 0 1 2 5 1 5 0 1 7 5 s i n g l e p h a se h a l f w av e r es i s t i v e o r i n d u c t i v e p . c . b m o un t e d o n 0 . 315 0 . 315 " ( 8 . 0 8 . 0 mm ) p a d a r e a s l ea d t e m pe r a t ur e , j f i g . 2 - f o r w a rd ch a r a c t e r i s t i c s f i g . 3 - f o r w a rd curr e n t d e r a t i n g cur ve 1 0 0 10 1 0 . 1 1 1 0 1 0 0 t j = 2 5 j f = 1 . 0 m h z v s i g = 50 m v p - p r eve r se v o l t a g e , v o l t s 3 0 2 5 20 1 5 10 5 1 2 5 10 20 50 100 8 . 3 m s s i n g l e h a l f s i n e w ave j e d e c m e t h o d nu m be r o f c y c l es a t 60 h z f i g . 4 - t y p i c a l j u n c t i o n c a p a c i t a n c e f i g . 5 - p e a k f o r w a r d s u r g e c u r r e n t junction capacitance, pf peak forward surge current, amperes ifm, apk a verage forward current, amperes
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