p b l e a d - f r e e ds30373 rev. 5 - 2 1 of 3 bc857bs www.diodes.co m ? diodes incorporated bc857b s dual pnp surface mo unt small si gnal transi stor features maximum ratings @ t a = 25c unless otherwise s pecified characteristic symbol value unit collector-base voltage v cbo -50 v collector-emitter voltage v ceo -45 v emitter-base voltage v ebo -5.0 v collector current (note 1) i c -100 ma peak collector current (n ote 1) i cm -200 ma peak base current ( note 1) i bm -200 ma power dissipation at t sb = 50c (note 1) p d 200 mw operating and storage temperature range t j , t stg -55 to +125 c ideally suited for automatic insertion for switching and af amplifier appli cations ultra-small surface mount package lead free /rohs co mpliant (note 2 ) case: sot-363 case material: molded pl astic. ul flammability classification rating 94v-0 moisture sensitivity: level 1 per j- std-020c terminals: solderable per mil-std-202, method 208 lead free plating (matte tin finish annealed over alloy 42 leadframe). terminal connections: see diagram marking: k3w (see page 3) ordering information (see page 3) weight: 0.006 grams mechanical data notes: 1. device mounted on fr-4 pc b, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on diodes inc. suggested pad layout document ap02001, which can be found on our website at http:/ /www.diodes.com/datasheets/ap02001.pdf. 2. no purposefully added lead. a b c e 2 b 2 e 1 c 2 b 1 c 1 j d h k f m l t o p v i e w sot-363 dim min max a 0.10 0.30 b 1.15 1.35 c 2.00 2.20 d 0.65 nominal f 0.30 0.40 h 1.80 2.20 j ? 0.10 k 0.90 1.00 l 0.25 0.40 m 0.10 0.25 a 0 8 all dimensions in m m
ds30373 rev. 5 - 2 2 of 3 bc857bs www.diodes.co m electri cal character isti cs @ t a = 25c unless otherwise s pecified characteristic symbol min typ max unit test condition dc current gain (note 3) h fe 220 ? 475 ? v ce = -5.0v, i c = -2.0ma thermal resistance, j unction to ambient air (note 1) r q ja ? ? 625 c/w note 1 collector-emitter saturation voltage (note 3) v ce (sat) ? ? ? -100 -400 mv i c = -10ma, i b = -0.5ma i c = -100ma, i b = -5.0ma base-emitter saturation voltage (note 3) v be (sat) ? -700 ? mv i c = -10ma, i b = -0.5ma base-emitter voltage (note 3) v be -580 -665 -750 mv v ce = -5.0v, i c = -2.0ma collector cutoff current i cbo i cbo ? ? ? -15 -4.0 na a v cb = -30v, i e = 0 v cb = -30v, t j = 150c emitter cutoff current i ebo ? ? -100 na v eb = -5.0v, i c = 0 gain bandwidth product f t 100 ? ? mhz v ce = -5.0v, i c = -10ma, f = 100mhz collector-base capacitance c cbo ? ? 3 pf v cb = -10v, f = 1.0mhz emitter-base capacitance c ebo ? 11 ? pf v eb = -0.5v, f = 1.0mhz notes: 1. device mounted on fr-4 pc b, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on diodes inc. suggested pad layout document ap02001, which can be found on our website at http:/ /www.diodes.com/datasheets/ap02001.pdf. 2. no purposefully added lead. 3. short durat ion test pulse used to minimize self-heating effect. 0 5 0 1 0 0 1 5 0 2 0 0 2 5 0 0 1 0 0 2 0 0 p , p o w e r d i s s i p a t i o n ( m w ) d t , a m b ie n t t e m p e r a t u r e ( c ) a f ig . 1 , p o w e r d e ra ti n g c u rv e (s ee n ot e 1) 1 1 0 1 0 0 1 0 0 0 1 0 1 0 0 1 h d c c u r r e n t g a i n f e , i , c o l l e c t o r c u r r e n t ( m a ) c f ig . 2 , d c c u rr e n t g a in v s c o ll e c to r c u rr e n t v = - 5v ce t = 2 5 c a t = - 50 c a t = 1 50 c a 0 0 .1 0 .2 0 .3 0 .4 0 .5 0 .1 1 1 0 1 0 0 1 0 0 0 v , c o l l e c t o r s a t u r a t i o n v o l t a g e ( v ) c e i , c o l l e c t o r c u r r e n t ( m a ) c f ig . 3 , c o ll e c to r s a tu ra ti o n v o lt a g e v s c o ll e c to r c u rr e n t i / i = 2 0 c b t = 1 50 c a t = 2 5 c a t = - 50 c a 1 0 1 0 0 1 0 0 0 1 1 0 1 0 0 f , g a i n b a n d w i d t h p r o d u c t ( m h z ) t i , c o l l e c to r c u r r e n t ( m a ) c f ig . 4 , g a in b a n d w idt h p ro d u c t v s c o lle c to r c u rr e n t v = - 5v ce t = 2 5 c a
ds30373 rev. 5 - 2 3 of 3 bc857bs www.diodes.co m month jan feb march apr may jun jul aug sep oct nov dec code 1 2 3 4 5 6 7 8 9 o n d date code key k3w = product type marking code ym = date code marking y = year ex: n = 2002 m = month ex: 9 = september k 3 w y m k 3 w y m marking i nformat ion device packaging shipping BC857BS-7-F sot-363 3000/tape & reel orderi ng inform ation (note 4) notes: 4. for packaging details, go to our website at http :// www .diodes.com/ datasheets /ap02007. pdf . 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 . year 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 code n p r s t u v w x y z
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