DL4446 500mw 75volt high-speed diode features ? small hermetically sealed glass smd package ? high switching speed: max. 4ns maximum ratings ? storage temperature: -65 to +200 electrical characteristics @ 25 c unless otherwise specified reverse voltage v r 75v repetitive peak reverse voltage v rrm 75v continuous forward current i f 200ma see fig.1; note 2 repetitive peak forward current i frm 450ma power dissipation p tot 500mw junction temperature t j 200 peak forward surge current (square wave; t j =25 prior to surge; see fig.3) i fsm 4a 1a 0.5a t=1 s t=1ms t=1s maximum instantaneous forward voltage v f 1.0v i fm = 20ma; see fig.2 maximum dc reverse current at rated dc blocking voltage i r 25na 50 a v r =20volts t j = 25 t j = 150 see fig.4 diode capacitance c d 4pf measured at 1.0mhz, v r =0v, see fig.5 reverse recovery time t rr 4ns note 3 thermal resistance r thj-tp 300k/w junction to tie-point thermal resistance r thj-a 350k/w junction to ambient 2.device mounted on an fr4 printed-circuit board 3.when switched from i f =10ma to i r =60ma; r l =100? ; measured at ir=1ma;see fig.7
omponents 20736 marilla chatsworth
mcc revision: a 2011/01/01 suggested solder pad layout dimensions inches mm dim min max min max note a .130 .146 3.30 3.70 b .008 .016 .20 .40 c .055 .059 1.40 1.50 ? a b c cat h ode m a .165 .075 .030 minimelf tm micro commercial components www. mccsemi .com 1 of 4 ? lead free finish/rohs compliant(note 1) ("p" suffix designates compliant. see ordering information) note:1.lead in glass exemption applied, see eu directive annex 5. epoxy meets ul 94 v-0 flammability rating moisture sensitivity level 1
fig. 1 maximum permissible continuous forward current as a function of ambient temperature. device mounted on an fr4 printed-circuit board. handbook, halfpage 0 100 200 300 200 0 100 t amb ( o c) i f (ma) fig. 2 forward current as a function of forward voltage. handbook, halfpage 012 600 0 200 400 v f (v) i f (ma) (1) (2) (3) (1) t j = 175 c; typical values. (2) t j =25 c; typical values. (3) t j =25 c; maximum values. fig. 3 maximum permissible non-repetitive peak forward current as a function of pulse duration. based on square wave currents. t j =25 c prior to surge. handbook, full pagewidth 10 t p ( s) 1 i fsm (a) 10 2 10 ? 1 10 4 10 2 10 3 10 1 DL4446 mcc revision: a 2011 /01/01 tm micro commercial components www. mccsemi .com 2 of 4
fig. 4 reverse current as a function of junction temperature. handbook, halfpage 0 100 t j ( o c) 200 10 3 10 2 10 ? 1 10 ? 2 10 (1) (2) 1 i r ( a) (3) (1) v r = 75 v; maximum values. (2) v r = 75 v; typical values. (3) v r = 20 v; typical values. fig. 5 diode capacitance as a function of reverse voltage; typical values. f = 1 mhz; t j =25 c. handbook, halfpage 01020 1.2 1.0 0.6 0.4 0.8 v r (v) c d (pf) DL4446 mcc revision: a 2011/01/01 tm micro commercial components www. mccsemi .com 3 of 4
mcc revision: a 2011 /01/01 tm micro commercial components www. mccsemi .com 4 of 4 3 device packing part number-tp tape&reel: 2.5kpcs/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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