dated : 07/12/2002 ? semtech electronics ltd. ( subsidiary of sino-tech internatio nal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) st 2sc535 npn silicon epitaxial planar transistor vhf amplifier, mixer, local oscillator. the transistor is subdivided into two groups b and c according to its dc current gain on special request, thes e transistors can be manufactured in different pin configurations. to-92 plastic package weight approx. 0.19g absolute maximum ratings (t a = 25 o c) symbol value unit collector base voltage v cbo 30 v collector emitter voltage v ceo 20 v emitter base voltage v ebo 4 v collector current i c 20 ma power dissipation p tot 100 mw junction temperature t j 150 o c storage temperature range t s -55 to +150 o c
dated : 07/12/2002 ? semtech electronics ltd. ( subsidiary of sino-tech internatio nal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) st 2sc535 characteristics at t amb =25 o c symbol min. typ. max. unit dc current gain at v ce =6v, i c =1ma current gain group b c h fe h fe 60 100 - - 120 200 - - collector base breakdown voltage at i c =10 a v (br)cbo 30 - - v collector emitter breakdown voltage at i c =1ma v (br)ceo 20 - - v emitter base breakdown voltage at i e =10 a v (br)ebo 4 - - v collector cutoff current at v cb =10v i cbo - - 0.5 a collector saturation voltage at i c =20ma, i b =4ma v ce(sat) - 0.17 - v base emitter voltage at v ce =6v, i c =1ma v be - 0.72 - v gain bandwidth product at v ce =6v, i c =5ma f t 450 940 - mhz output capacitance at v cb =10v, f=1mhz c ob - 0.9 1.2 pf noise figure at v ce =6v, f=100mhz, i c =1ma, r g =50 nf - 3.5 5.5 db power gain at v ce =6v, f=100mhz, i c =1ma pg 17 20 - db input admittance(typ) at v ce =6v, f=100mhz, i c =1ma yie 1.3+j5.3 - - ms reverse transfer admittance(typ) at v ce =6v, f=100mhz, i c =1ma yre -0.078-j0.41 - - ms foward transfer admittance(typ) at v ce =6v, f=100mhz, i c =1ma yfe 32-j10 - - ms output admittance(typ) at v ce =6v, f=100mhz, i c =1ma yoe 0.08+j0.82 - - ms
dated : 07/12/2002 ? semtech electronics ltd. ( subsidiary of sino-tech internatio nal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) maximum collector dissipation curve c o l l e c t o r c u r r e n t l c ( m a ) collector to emitter voltage v ce (v) typical output characteristics 3 4 0 1 2 8 5 4 50 40 30 16 10 a l b =0 12 20 20 100 150 c o l l e c t o r p o w e r d i s s i p a t i o n p c ( m w ) 0 50 50 100 150 dc current transfer ratio vs. collector current collector current i c (ma) 0.2 0.1 0 0.5 1.0 2 d c c u r r e n t t r a n s f e r r a t i o h f e 20 40 60 80 120 100 10 5 20 collector to emitter voltage v ce (v) p c = 1 0 0 m w typical output characteristics c o l l e c t o r c u r r e n t l c ( m a ) 8 0 4 12 16 20 48 12 50 25 a l b =0 75 150 175 200 275 225 250 300 100 125 16 20 ambient temperature ta ( c) o st 2sc535
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