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| savantic semiconductor product specification silicon npn power transistors 2SD1277 2SD1277a d escription with to-220fa package complement to type 2sb951 /951a high dc current gain high-speed switching applications for medium speed power switching pinning pin description 1 base 2 collector 3 emitter absolute maximum ratings (ta=25 ) symbol parameter conditions value unit 2SD1277 60 v cbo collector-base voltage 2SD1277a open emitter 80 v 2SD1277 60 v ceo collector-emitter voltage 2SD1277a open base 80 v v ebo emitter-base voltage open collector 7 v i c collector current (dc) 8 a i cm collector current-peak 12 a t c =25 45 p c collector power dissipation t a =25 2 w t j junction temperature 150 t stg storage temperature -55~150 fig.1 simplified outline (to-220fa) and symbol
savantic semiconductor product specification 2 silicon npn power transistors 2SD1277 2SD1277a c haracteristics tj=25 unless otherwise specified symbol parameter conditions min typ. max unit 2SD1277 60 v (br)ceo collector- emitter breakdown voltage 2SD1277a i c =30ma , i b =0 80 v v cesat collector-emitter saturation voltage i c =4a; i b =8ma 1.5 v v besat base-emitter saturation voltage i c =4a ;i b =8ma 2 v 2SD1277 v cb =60v ;i e =0 i cbo collector cut-off current 2SD1277a v cb =80v; i e =0 0.1 ma i ebo emitter cut-off current v eb =7v; i c =0 2 ma h fe-1 dc current gain i c =8a ; v ce =3v 500 h fe-2 dc current gain i c =4a ; v ce =3v 2000 10000 f t transition frequency i c =0.5a; v ce =10v;f=1mhz 20 mhz switching times t on turn-on time 0.5 s t stg storage time 4.0 s t f fall time i c =4a ;i b1 =8ma i b2 =-8ma;v cc =50v 1.0 s h fe-2 classifications q r 2000-5000 4000-10000 savantic semiconductor product specification 3 silicon npn power transistors 2SD1277 2SD1277a package outline fig.2 outline dimensions (unindicated tolerance: 0.15 mm) |
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