pn2221 pn2221a pn2222 pn2222a npn silicon transistor description: the central semiconductor pn2221, pn2222 series types are silicon npn epitaxial planar transistors designed for small signal, general purpose switching applications. marking: full part number pn2221 pn2221a maximum ratings: (t a =25c) symbol pn2222 pn2222a units collector-base voltage v cbo 60 75 v collector-emitter voltage v ceo 30 40 v emitter-base voltage v ebo 5.0 6.0 v continuous collector current i c 800 ma power dissipation p d 625 mw operating and storage junction temperature t j , t stg -65 to +150 c pn2221 pn2221a electrical characteristics: (t a =25c) pn2222 pn2222a symbol test conditions min max min max units i cbo v cb =50v - 10 - - na i cbo v cb =60v - - - 10 na i cev v ce =60v, v eb =3.0v - - - 10 na i ebo v eb =3.0v - 10 - 10 na bv cbo i c =10a 60 - 75 - v bv ceo i c =10ma 30 - 40 - v bv ebo i e =10a 5.0 - 6.0 - v v ce(sat) i c =150ma, i b =15ma - 0.4 - 0.3 v v ce(sat) i c =500ma, i b =50ma - 1.6 - 1.0 v v be(sat) i c =150ma, i b =15ma - 1.3 - 1.2 v v be(sat) i c =500ma, i b =50ma - 2.6 - 2.0 v pn2221 pn2222 pn2221a pn2222a min max min max h fe v ce =10v, i c =0.1ma 20 - 35 - h fe v ce =10v, i c =1.0ma 25 - 50 - h fe v ce =10v, i c =10ma 35 - 75 - h fe v ce =10v, i c =150ma 40 120 100 300 h fe v ce =1.0v, i c =150ma 20 - 50 - h fe v ce =10v, i c =500ma (pn2221, pn2222) 20 - 30 - h fe v ce =10v, i c =500ma (pn2221a, pn2222a) 25 - 40 - f t v ce =20v, i c =20ma, f=100mhz (except pn2222a) 250 - 250 - mhz f t v ce =20v, i c =20ma, f=100mhz (pn2222a) - - 300 - mhz c ob v cb =10v, f=100khz - 8.0 - 8.0 pf t on v cc =30v, i c =150ma, i b =15ma - 35 - 35 ns t off v cc =30v, i c =150ma, i b1 =i b2 =15ma - 285 - 285 ns to-92 case r1 (30-january 2012) www.centralsemi.com
pn2221 pn2221a pn2222 pn2222a npn silicon transistor to-92 case - mechanical outline lead code: 1) emitter 2) base 3) collector marking: full part number www.centralsemi.com r1 (30-january 2012)
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