77 2sc3851/3851a i c v ce characteristics (typical) h fe i c characteristics (typical) h fe i c temperature characteristics (typical) q j-a t characteristics i c v be temperature characteristics (typical) v ce (sat) i b characteristics (typical) pc ta derating 0 0 1 2 3 4 2 1 3456 collector-emitter voltage v ce (v) collector current i c (a) 60ma i b =70ma safe operating area (single pulse) f t i e characteristics (typical) 50ma 40ma 30ma 20ma 10ma 5ma 30 20 10 0 0 50 100 150 ambient temperature ta(?c) maximum power dissipation p c (w) with infinite heatsink without heatsink 0 1.0 0.5 0.005 0.01 0.1 0.05 1 0.5 base current i b (a) collector-emitter saturation voltage v ce(sat) (v) i c =1a 2a 3a 0.01 0.1 0.5 1 4 20 50 100 500 collector current i c (a) dc current gain h fe (v ce =4v) typ 0.5 1 5 1 10 100 1000 time t(ms) transient thermal resistance q j-a (?c/w) 10 50 35 80 0.05 0.1 1 0.5 10 5 collector-emitter voltage v ce (v) collector current i c (a) without heatsink natural cooling dc 100ms 10ms 1ms (v ce =4v) 0.01 0.1 0.05 1 0.5 4 20 50 100 500 collector current i c (a) dc current gain h fe 25?c ?0?c 125?c 0 4 2 3 1 0 1.2 1.0 0.5 base-emittor voltage v be (v) collector current i c (a) (v ce =4v) 125?c (case temp) 25?c (case temp) ?0?c (case temp) ?.005 ?.1 ?.5 ? ? 20 10 0 30 40 cut-off frequency f t (mh z ) (v ce =12v) emitter current i e (a) typ silicon npn epitaxial planar transistor (complement to type 2sa1488/a) application : audio and ppc high voltage power supply, and general purpose n typical switching characteristics (common emitter) v cc (v) 12 r l ( ) 6 i c (a) 2 v bb2 (v) ? i b2 (ma) ?00 t on ( m s) 0.2typ t stg ( m s) 1typ t f ( m s) 0.3typ i b1 (ma) 200 v bb1 (v) 10 symbol v cbo v ceo v ebo i c i b p c tj t stg 6 4 1 25(tc=25?) 150 ?5 to +150 unit v v v a a w ? ? n absolute maximum ratings n electrical characteristics 2sc3851 80 60 min unit m a v m a v v mhz pf (ta=25?) (ta=25?) 2sc3851a 100 80 2sc3851 80 60 2sc3851a 100 80 min 100 max 40 to320 0.5 max 15 typ 60 typ external dimensions fm20(to220f) ?.3 ?.2 10.1 ?.2 4.0 ?.2 16.9 ?.3 13.0min 8.4 ?.2 0.8 ?.2 3.9 ?.2 2.54 2.54 1.35 ?.15 0.85 +0.2 -0.1 1.35 ?.15 2.2 ?.2 4.2 ?.2 2.8 c 0.5 2.4 ?.2 0.45 +0.2 -0.1 be c a b weight : approx 2.0g a. part no. b. lot no. 100 max conditions v cb = v eb =6v i c =25ma v ce =4v, i c =1a i c =2a, i b =0.2a v ce =12v, i e =?.2a v cb =10v, f=1mhz symbol i cbo i ebo v (br)ceo h fe v ce (sat) f t c ob ratings ratings
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