2N3903 2n3904 npn silicon transistor description: the central semiconductor 2N3903 and 2n3904 types are npn silicon transistors designed for general purpose amplifier and switching applications. pnp complementary types are 2n3905 and 2n3906. marking: full part number to-92 case maximum ratings: (t a =25c) symbol units collector-base voltage v cbo 60 v collector-emitter voltage v ceo 40 v emitter-base voltage v ebo 6.0 v continuous collector current i c 200 ma power dissipation p d 625 mw operating and storage junction temperature t j , t stg -65 to +150 c thermal resistance ja 200 c/w electrical characteristics: (t a =25c ) 2N3903 2n3904 symbol test conditions min max min max units i cev v ce =30v, v eb =3.0v - 50 - 50 na bv cbo i c =10a 60 - 60 - v bv ceo i c =1.0ma 40 - 40 - v bv ebo i e =10a 6.0 - 6.0 - v v ce(sat) i c =10ma, i b =1.0ma - 0.2 - 0.2 v v ce(sat) i c =50ma, i b =5.0ma - 0.3 - 0.3 v v be(sat) i c =10ma, i b =1.0ma 0.65 0.85 0.65 0.85 v v be(sat) i c =50ma, i b =5.0ma - 0.95 - 0.95 v h fe v ce =1.0v, i c =0.1ma 20 - 40 - h fe v ce =1.0v, i c =1.0ma 35 - 70 - h fe v ce =1.0v, i c =10ma 50 150 100 300 h fe v ce =1.0v, i c =50ma 30 - 60 - h fe v ce =1.0v, i c =100ma 15 - 30 - h fe v ce =10v, i c =1.0ma, f=1.0khz 50 200 100 400 f t v ce =20v, i c =10ma, f=100mhz 250 - 300 - mhz c ob v cb =5.0v, i e =0, f=100khz - 4.0 - 4.0 pf c ib v eb =0.5v, i c =0, f=100khz - 8.0 - 8.0 pf nf v ce =5.0v, i c =100a, r s =1.0k f=10hz to 15.7khz - 6.0 - 5.0 db t on v cc =3.0v, v be(off) =0.5v, i c =10ma i b1 =1.0ma - 70 - 70 ns t off v cc =3.0v, i c =10ma, i b1 =i b2 =1.0ma - 225 - 250 ns r2 (12-october 2011) www.centralsemi.com
2N3903 2n3904 npn silicon transistor lead code: 1) emitter 2) base 3) collector marking: full part number to-92 case - mechanical outline www.centralsemi.com r2 (12-october 2011)
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