features mechanical data maximum ratings and electrical characteristics t a = 25 c unless otherwise specified single phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. a b c d g h e j sma dim minmax 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 mm 1.0a surface mount ultra-fast rectifier 1of2 MURA105/mura110 s pb / rohs free lo lo h h h i g h c u rre n t capab ili ty i g h s u rge c u rre n t capab ili ty i g h re li ab ili ty w re v erse c u rre nt w for w ard v o l tage drop u per fast reco v er y t i me m po lead : lead for epo case : s ma m o l ded p l ast ic x y : ul94v-o rate f l a m e retarda nt m ed for s u rface m o unt l ar i t y : co l or ba n d de n otes cat h ode e nd o un t in g pos i t i o n : any w e i g h t : 0.067 gram , m a x i m u m p ea k r epe t i t i v e r e v e r s e v o l t age m a x i m u m w o r k i n g p ea k r e v e r s r v o l t age m a x i m u m dc b l o ck i n g v o l t age m a x i m u m a v e r age r e c t i f i ed f o r w a r d c u rr e n t m a x i m u m n o n - r epe t i t i v e p ea k s u r ge c u rr e nt ( s u r ge a pp li ed a t r a t e l oad c o n d i t i o n s h a l f w a v e, s i n g l e p h a s e , 60 h z) m a x i m u m i n s t a n t a n eo u s f o r w a r d v o l t age a t i f = 1 . 0 a ( n o t e 1) m a x i m u m i n s t a n t a n eo u s r e v e r s e c u rr e n t ( n o t e 1) ( r a t ed d c v o l t age) t h e rm a l r e s i s t a n c e , j un c t i o n t o l ead ( n o t e 2) t h e rm a l r e s i s t a n c e , j un c t i o n t o a m b i e n t ( n o t e 2) m a x i m u m r e v e r s e r e c o v e r y t i m e (i f = 1 . 0 a , d i / d t = 50 a/ m s) o pe r a t i n g j un c t i o n t e m pe r a t u r e r a n ge note s : ( 1 ) p u ls e t e s t : p u ls e w i d t h = 300 s , d u t y c y cl e 2 . 0 %. ( 2 ) r a t i ng a pp li e s w hen s u r f a c e m oun t ed on t he m i n i m u m pad si z e r e c o mm ended , p c b oa r d f r - 4. r a t i ng s y m b ol un it v v rrm v v v r wm m ur a 105 v dc 2 . 0 ( t l = 135 o c ) v 0 . 66 (t j = 150 c) i f sm v i f( av) 50 a 1 . 0 ( t l = 155 o c ) oc o c /w t j - 65 t o + 175 216 r j a 30 t rr ns 50 50 50 m ur a 110 100 100 100 r j l 24 o c /w a 50 (t j = 150 c) 0 . 875 (t j = 25 c) i r i r ( h) 2 . 0 (t j = 25 c) v f
f i g . 1 - curr e n t d e r a t in g , l e ad f i g . 2 - m a x i m u m c a p a ci t a nce 100 110 120 130 140 150 160 170 180 190 0 4 8 12 16 2 0 2 4 28 32 36 l ea d t e m pe r a t ur e , ( o c) v r , r eve r se v o l t a g e , v o l ts f i g . 3 - m a x i m u m in s t a n t a n e o u s f i g . 4 - m a x i m u m r eve r se curr e nt f o r w a rd v o lt a ge f i g . 5 ? p o we r di ss i p a t i on . 2 o f 2 r a t i n g a nd ch a r a c t e r i s t i c cur ves ( m ur a 105 , m ur a 110 ) 0 1 .0 0 10 50 0 .1 75 25 r eve r se v o l t a g e , v o lt c , capacitance, pf average rectified forward current, amperes instantaneous forward current, amperes instantaneous reverse current, microamperes t j = 100 c t j = 175 c 1 i n s t a n t a n e o u s f o r w a rd v o l t a g e , v o l ts 0 .1 0 ave r a g e f o r w a rd curr e n t , a m pe r es 0 0 .5 average power dissipation, watt t c = 175 oc = 100 oc = 25oc 0 4 .0 2 .0 3 .0 15 30 45 60 s q u a r e w ave n o t e : m a x i m um c a p a c i t a n c e at 0 v = 48 pf 40 0 . 01 0 .4 0 .6 0 .8 1 .0 1 .2 0 .5 0 .7 0 .9 1 .1 1 .3 0 .3 1 .0 10 100 t j = 25 c 0 .4 1 .6 1 .2 0 .8 3 .2 2 .0 2 .4 2 .8 1 .0 1 .5 2 .0 2 .5 3 .0 3 .5 s q u a r e w ave dc dc t j = 175 c 100
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