sk32a thru sk310a 3 amp schottky rectifier 20 to 100 volts features ? same electrical characteristics as the smc version ? very low cost ? can be up to 50% smaller than the smc to save precious board space ? high current capability with low forward voltage ? for surface mount applications maximum ratings ? operating temperature: -50 c to +125 c ? storage temperature: -50 c to +150 c ? maximum thermal resistance; 10 c/w junction to lead mcc part number device marking maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage sk32a sk32a 20v 14v 20v sk33a sk33a 30v 21v 30v sk34a sk34a 40v 28v 40v sk35a sk35a 50v 35v 50v sk36a sk36a 60v 42v 60v SK38A SK38A 80v 56v 80v sk310a sk310a 100v 70v 100v do-214ac (hsma) (high profile) h j e f g a b d c cathode band electrical characteristics @ 25 c unless otherwise specified average forward current i f(av) 3.0a t l = 1 0 0 c peak forward surge current i fsm maximum dc reverse current at rated dc blocking voltage i r .5ma 20ma t j = 25 c t j = 100 c typical junction capacitance c j 45pf measured at 1.0mhz, v r =4.0v *pulse test: pulse width 200 sec, duty cycle 2% maximum instantaneous forward voltage sk32a-34a sk35a-36a SK38A-310a v f .50v .75v .85v i fm = 3.0a; t j = 25 c* 0.070? 0.090? 0.085? suggested solder pad layout dimensions inches mm dim min max min max note a .078 .116 1.98 2.95 b .067 .089 1.70 2.25 c .002 .008 .05 .20 d --- .02 --- .51 e .035 .055 .89 1.40 f .065 .09 6 1.65 2. 45 g .205 .224 5.21 5.69 h .160 .180 4.06 4.57 j .100 .112 2.57 2.84
omp onents 20736 marilla street chatsworth
mcc revision: a 2011/01/01 tm micro commercial components www. mccsemi .com 1 of 4 ? lead free finish/rohs compliant (note1) ("p"suffix designates compliant. see ordering information) note: 1. high temperature solder exemptions applied, see eu directive annex 7. 80a 8.3ms, half sine epoxy meets ul 94 v-0 flammability rating moisture sensitivity level 1
mcc sk32 a thru sk310 a average forward rectified current - amperes versus lead temperature - c figure 2 forward derating curve 40 60 100 120 140 160 0 .5 1.0 1.5 single phase, half wave 60hz resistive or inductive load amps c 80 2.0 2.5 3.0 figure 3 junction capacitance .1 .2 1 .4 2 10 20 40 4 100 200 10 20 60 100 200 1000 junction capacitance - pf versus reverse voltage - volts pf volts 600 400 40 400 1000 t j =25 c s k32 a -3 4a sk35 a -sk3 10a figure 1 typical forward characteristics instantaneous forward current - amperes versus instantaneous forward voltage - volts volts 4 6 20 10 amps .2 1.2 .4 .6 .8 1.0 .01 .02 .04 .06 .1 .2 .4 .6 1 2 25 c 40 60 100 1.4 sk32 a -sk34 a sk35 a -sk3 10a revision: a 2011 /01/01 tm micro commercial components www. mccsemi .com 2 of 4
figure 6 new sma assembly round lead mcc sk32 a thru sk310 a figure 4 typical reverse characteristics instantaneous reverse leakage current - microamperes versus percent of rated peak reverse voltage - volts volts .4 .6 2 1 mamps 20 120 40 60 80 100 .001 .002 .004 .006 .01 .02 .04 .06 .1 .2 4 6 10 140 1 100 4 0 20 40 60 8 figure 5 peak forward surge current peak forward surge current - amperes versus number of cycles at 60hz - cycles amps cycles 2 6 10 20 60 80 40 80 100 120 sk3 5a -3 10a sk32 a -34 a revision: a 2011 /01/01 tm micro commercial components www. mccsemi .com 3 of 4 25c 100c 75c
mcc revision: a 2011 /01/01 tm micro commercial components www. mccsemi .com 4 of 4 3 device packing part number-tp tape&reel: 3kpcs/reel ordering information : *** i m p o r t a n t n o t ic e * ** m i c r o c o m m e r c i a l c o m p on e n ts c o r p . r e s e rve s t h e r i g h t t o m a k e c h a n g e s w i t ho u t f u r t h e r no 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 rr 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 pr o v e m e n t s , o r o t h e r ch a n g e s . m i c r o c o m m e r c i a l c o mp o n e n ts c o r p . 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 ou t o f t h e a p p l i c a t i on o r u s e o f a n y p r o d uc t d e sc r i be 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 li c e n s e un der 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 pr o d uc t s i n s u c h a p p l i c a t i o n s sh a l l a ss u m e a l l r i s k s o f su c h u s e a n d w ill a g r ee t o h o l d m i c r o c o mm er c i a l c o m p o n e n t s c o r p . a n d a ll t h e c o m p a n i e s w ho s e p r o d u c t s a r e r e p r e s e n t ed o n ou 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 *** m c c ' s pr o d uc t s a r e n o t a u t h o r iz ed 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 pp o r t d e v i c e s o r s y s t e m s w i t h ou t t h e e x pre ss wr i tt e n a p p r o v a l o f m i c r o c o mm e r c i a l c o m p o n e n t s c o rp o r a t i o n. * * * c u s t o m e r a w a r e n e ss*** c o un t e r f e i t i n g o f s e m i c o n d u c t o r p a r t s i s a gr o w i n g p r o b l e m i n t h e i n d u s t ry . m i c r o c o mm e r c i a l c o m p o n e n t s ( m cc ) i s t a k i n g s t r o n g m e a su r e s t o p r o t e c t ou r s e l v e s a n d o u r cu s t o m e r s f r o m t h e pr o l i f e r a t i on o f c o u n t e r f e i t p a r t s . m c c s t r o n g l y e nc o u r a g e s c u s t o m e r s t o p u r c h a s e m c c p a r t s e i t h e r d i r e c t l y f r o m m c c o r f r o m a u t ho r i z e d m c c d i s t r i b u t o r s w ho a r e l i s t e d b y c o u n t r y o n o u r w e b p a g e c i t ed below . p r o d uc t s c us t o m e r s b u y e i t h e r f r o m m c c d i r e c t l y o r f r o m a u t ho r i z e d m cc d i s t r i b u t o r s a r e g e n u i n e p a r t s , h a v e f ul l t r a c e a b il i t y , m e e t m c c ' s q u a l i t y s t a n d a r d s f o r h a n d li n g a n d s t o r a g e . m c c wi l l n o t p r o v i d e a n y w a rr a n ty c o v e r a g e o r o t h e r a s s i s t a n c e f o r p a r ts b o u g h t f r o m u n a u t h o r i z e d s o u r c e s. m c c i s c o m m i t t e d t o c o m b a t t h i s g l o b a l pr o b l e m a n d e n c ou r a g e o u r c u s t o m e r s t o d o t h e i r p a r t in s t o p p i n g t h i s p r a c t i c e b y b u y i n g d i r e c t o r f r o m a u t h o r i z ed d i s t r i b u t o r s.
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