s m a l l s i g n a l t r a n s i s t o r rohs device page 1 rev :b features -power dissipation o p cm : 0.20w (@t a =25 c) -collector current i cm : 0.1a -collector-base voltage v cbo : bc846=80v bc847=50v bc848=30v -operating and storage junction temperature o range: t j , t stg = -65 to +150 c mechanical data -case: sot -23, molded plastic. -t erminals: solderable per mil-std-750, method 2026. -approx. weight: 0.008 grams circuit diagram bc846a-g thru. bc848c-g (npn) o maximum ratings (at t a=25 c unless otherwise noted) qw -btr31 collector-base v oltage collector-emitter v oltage emitter-base v oltage collector current -continuous s t o r a g e t e m p e r a t u r e r a n g e unit symbol parameter v alue 3 1 2 v cbo v ceo v ebo i c p c t s t g 80 50 30 65 45 30 6 2 0 0 - 6 5 t o + 1 5 0 v v v a m w c j u n c t i o n t e m p e r a t u r e t j 1 5 0 c collector power dissipation bc846-g bc848-g bc847-g bc846-g bc848-g bc847-g 0.1 comchip t echnology co., l td. -1.base -2.emitter -3.collect or d i m e n s i o n s i n i n c h e s a n d ( m i l l i m e t e r ) s o t - 2 3 3 1 2 0.1 18(3.00) 0.1 10(2.80) 0.055(1.40) 0.047(1.20) 0.079(2.00) 0.071(1.80) 0.041(1.05) 0.035(0.90) 0.020(0.50) 0.012(0.30) 0.006(0.15) 0.003(0.08) 0.100(2.55) 0.089(2.25) 0.004(0.10) max 0.012(0.30) 0.020(0.50) c o m p a n y r e s e r v e s t h e r i g h t t o i m p r o v e p r o d u c t d e s i g n , f u n c t i o n s a n d r e l i a b i l i t y w i t h o u t n o t i c e .
electrical characteristics (bc846a-g thru. bc848c-g, @t a = 25 c unless otherwise specified) comchip t echnology co., l td. page 2 rev :b s m a l l s i g n a l t r a n s i s t o r qw -btr31 bc846-g collector-base breakdown v oltage bc848-g bc846-g collector-emitter breakdown v oltage bc848-g emitter-base break v oltage collector cut-of f current collector-emitter saturation v oltage unit symbol parameter min v cbo v ceo v ebo i cbo v ce(sat) c o b 80 50 30 65 45 30 6 0.1 4 . 5 v v v a v t est conditions i c =10 a , i e =0 i c =10ma , i b =0 i e =10 a , i c =0 typ max dc current gain h fe bc846a,bc847a,bc848a bc846b,bc847b,bc848b bc847c,bc848c v ce =5v , i c =2m a 1 10 200 420 220 450 800 i c =100ma , i b =5ma 0.5 base-emitter saturation v oltage v be(sat) v i c =100ma , i b =5ma 1.1 t ransition frequency f t mh z 1 0 0 v ce =5v , i c =10ma f=100mh z collector output capacitance v cb =10v , f=1mh z pf bc847-g bc847-g v cb =70v , i e =0 v cb =50v , i e =0 v cb =30v , i e =0 bc846-g bc848-g bc847-g collector cut-of f current i ceo 0.1 a v cb =60v , i e =0 v cb =45v , i e =0 v cb =30v , i e =0 bc846-g bc848-g bc847-g i e b o 0 . 1 emitter cut-of f current v eb =5v , i c =0 a
electrical characteristic curves (bc846a-g thru. bc848c-g) comchip t echnology co., l td. page 3 rev :b s m a l l s i g n a l t r a n s i s t o r qw -btr31 c o l l e c t o r c u r r e n t , i c ( m a ) b a s e - e m i t t e r vo l t a g e , v b e ( v ) t a = 2 5 c t a = 1 0 0 c c o l l e c t o r c u r r e n t , i c ( m a ) t a = 2 5 c t a = 1 0 0 c c o m m o n e m i t t e r v c e = 5 v c o l l e c t o r c u r r e n t , i c ( m a ) t a = 2 5 c t a = 1 0 0 c = 2 0 c o l l e c t o r c u r r e n t , i c ( m a ) c o l l e c t o r p o w e r d i s s i p a t i o n , p c ( m w ) a m b i e n t t e m p e r a t u r e , t a ( c ) fig.2- h fe i c fig.3- v cesat i c fig.4- v besat i c 100 10 1 0.1 b a s e - e m i t t e r s a t u r a t i o n v o l t a g e , , ( v ) v b e s a t c o l l e c t o r - e m t t e r s a t u r a t i o n v o l t a g e , ( m v ) v c e s a t = 2 0 fig . 8- p c t a fig.7- f t i c t r a n s i t i o n f r e q u e n c y , f t ( m h z ) collector current, ic (ma) 1 1 0 1 0 1 0 0 0 1 0 0 d c c u r r e n t g a i n , h f e fig.1- static ch aracterist ic c o l l e c t o r c u r r e n t , i c ( m a ) collector-emitter v oltage, v ce (v) 0 1 3 5 4 6 0 4 8 1 2 1 6 2 0 5 4 u a 4 8 u a 4 2 u a 3 6 u a 3 0 u a 2 4 u a 1 8 u a 1 2 u a i b = 6 u a fig.5- i c v be t a = 1 0 0 c t a = 2 5 c c a p a c i t a n c e , c ( p f ) r e v e r s e b i a s vo l t a g e , v ( v ) fig.6- cob/cib v cb /v eb 400 600 800 1000 100 10 1 0.1 100 300 1000 100 10 1 0.1 10 100 1000 common emitter v ce = 5v 0.1 1 100 10 0.1 1 100 10 1.0 0.6 0.4 0.1 0.8 20 1 0.1 10 5 0 v ce = 5v t a=25c 100 50 25 0 75 125 150 0 50 100 150 200 250 - 4 5 0 u a c o m m o n e m i t t e r ta = 2 5 c f=1mhz i e = 0/ic =0 t a = 25c c i b c o b 6 0 u a
qw -btr31 comchip t echnology co., l td. page 4 rev :b reel t aping specification s m a l l s i g n a l t r a n s i s t o r b c d d d 2 d 1 s o t - 2 3 s y m b o l a ( m m ) ( i n c h ) 2 . 1 4 2 0 . 0 3 9 4 . 0 0 0 . 1 0 1 . 5 0 0 . 1 0 5 4 . 4 0 1 . 0 0 1 3 . 0 0 1 . 0 0 4 . 0 0 0 . 1 0 2 . 0 0 0 . 1 0 1 7 8 2 . 0 0 0 . 0 5 9 0 . 0 0 4 7 . 0 0 8 0 . 0 7 9 0 . 5 1 2 0 . 0 3 9 s y m b o l ( m m ) ( i n c h ) 0 . 0 . 0 0 4 1 5 7 0 . 1 5 7 0 . 0 0 4 0 . 0 7 9 0 . 0 0 4 e f p p 0 p 1 w w 1 1 . 7 5 0 . 1 0 0 . 0 6 9 0 . 0 0 4 3 . 5 0 0 . 1 0 0 . 1 3 8 0 . 0 0 4 s o t - 2 3 3 . 1 5 0 . 1 0 0 . 1 2 4 0 . 0 0 4 2 . 7 7 0 . 1 0 0 . 1 0 9 0 . 0 0 4 1 . 2 2 0 . 1 0 0 . 0 4 8 0 . 0 0 4 1 2 . 3 0 1 . 0 0 0 . 4 8 4 0 . 0 3 9 8 . 0 0 0 . 3 0 / + C 0 . 1 0 0 . 3 1 5 0 . 0 1 2 / + C 0 . 0 0 4 d f e b p 1 p 0 o 1 2 0 d 1 d 2 d w 1 w t c
qw -btr31 comchip t echnology co., l td. page 5 rev :b s m a l l s i g n a l s c h o t t k y d i o d e s part number bc846a-g marking code 1a marking code bc847a-g 1e bc848a-g 1j xx 3 1 2 x x = p r o d u c t t y p e m a r k i n g c o d e bc846b-g 1b BC847B-G 1f bc848b-g 1k bc847c-g 1g bc848c-g 1l suggested p ad layout size (inch) 0.031 (mm) 0.80 1.90 2.02 0.075 0.080 sot -23 2.82 0.1 1 1 standard packaging case t ype qty per reel (pcs) 3,000 sot -23 reel size (inch) 7 a b c d a c b d
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