158 characteristic curves (t a =25 c) symbol ratings unit v cbo 60 v v ceo 60 v v ebo 6v i c 3a i cp 6 (pw 10ms, d u 50%) a 3 (t a =25 c) 15 (t c =25 c) t j 150 c t stg C 40 to +150 c (t a =25 c) symbol unit conditions i cbo 100 av cb =60v i ebo 100 av eb =6v v ceo 60 v i c =25ma h fe 300 v ce =4v, i c =0.5a v ce (sat) 1.0 v i c =1a, i b =10ma t on 0.8 sv cc 20v, t stg 3.0 si c =1a, t f 1.2 si b1 =15ma, i b2 = C 30ma specification min typ max p t w STA312A 3 2 1 0 i c (a) 01 2 34 5 6 v ce ( v ) i b =12ma 8ma 5ma 3ma 2ma 1ma 0.5ma 2000 1000 500 100 0.01 0.05 0.1 0.5 1 3 typ h fe i c (a) (v ce =4v) 2000 1000 500 100 h fe 0.01 0.05 0.1 0.5 1 3 i c ( a ) (v ce =4v) t a = 1 2 5 c 7 5 c 25 c C 3 0 c 1.5 1.0 0.5 0 v be (sat) v ce (sat) (i c / i b =20) v ce (sat), v be (sat) (v) 0.01 0.1 1 5 0.5 0.05 i c (a) 1.5 1.0 0.5 0 i c = 3a i c =2a i c =1a 0.001 0.005 0.01 0.05 0.1 0.5 1 v ce (sat) (v) i b ( a ) 3 2 1 0 0 0.5 1.0 1.5 i c (a) v be ( v ) (v ce =4v) t a =125 c 75 c 25 c C 30 c 20 10 5 1 0.5 1 5 10 50 100 500 1000 j C a ( c / w) pw (ms) C 40 0 p t (w) 2 4 6 8 10 12 14 16 0 50 100 150 t a ( c) with silicone grease natural cooling heatsink: aluminum in mm w ith infinite h eatsink without heatsink 2 5 5 0 2 5 0 5 0 2 10 5 1 0.5 0.1 0.05 3 5 10 50 100 i c (a) v ce (v) 1 0 m s 1ms single pulse without heatsink t a =25 c 2 1 3 8 4 5 6 7 npn general purpose external dimensions c sta (8-pin) absolute maximum ratings equivalent circuit diagram electrical characteristics i c -v ce characteristics (typical) h fe -i c characteristics (typical) h fe -i c temperature characteristics (typical) v ce (sat), v be (sat)-i c characteristics (typical) v ce (sat)-i b characteristics (typical) i c -v be temperature characteristics (typical) j-a -pw characteristics p t -t a characteristics safe operating area (soa)
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