bc547b bc547c small signal npn transistors n silicon epitaxial planar npn transistors n to-92 package suitable for through-hole pcb assembly n bc547b - the pnp complementary type is bc557b n applications n well suitable for tv and home appliance equipment n small load switch transistors with high gain and low saturation voltage ? internal schematic diagram january 2003 type marking bc547b bc547b bc547c bc547c absolute maximum ratings symbol parameter value unit v cbo collector-base voltage (i e = 0) 50 v v ceo collector-emitter voltage (i b = 0) 45 v v ebo emitter-base voltage (i c = 0) 6 v i c collector current 100 ma i cm collector peak current 200 ma p tot total dissipation at t c = 25 o c 500 mw t stg storage temperature -65 to 150 o c t j max. operating junction temperature 150 o c to-92 1/4
thermal data r thj-amb r thj-case thermal resistance junction-ambient max thermal resistance junction-case max 250 83.3 o c/w o c/w electrical characteristics (t case = 25 o c unless otherwise specified) symbol parameter test conditions min. typ. max. unit i cbo collector cut-off current (i e = 0) v cb = 30 v v cb = 30 v t c = 150 o c 15 5 na m a i ebo emitter cut-off current (i c = 0) v eb = 5 v 100 na v (br)ceo * collector-emitter breakdown voltage (i b = 0) i c = 10 ma 45 v v ce(sat) * collector-emitter saturation voltage i c = 10 ma i b = 0.5 ma i c = 100 ma i b = 5 ma 0.09 0.2 0.25 0.6 v v v be(sat) * base-emitter saturation voltage i c = 10 ma i b = 0.5 ma i c = 100 ma i b = 5 ma 0.7 0.9 v v v be(on) * base-emitter on voltage i c = 2 ma v ce = 5 v i c = 10 ma v ce = 5 v 0.58 0.66 0.7 0.77 v v h fe dc current gain i c = 2 ma v ce = 5 v for bc547b for bc547c 200 420 450 800 f t transition frequency i c = 10 ma v ce = 5 v f = 100mhz 100 mhz c cbo collector-base capacitance i e = 0 v cb = 10 v f = 1 mhz 1.5 pf c ebo emitter-base capacitance i c = 0 v eb = 0.5 v f = 1 mhz 11 pf nf noise figure v ce = 5 v i c = 200 m a f = 1khz d f = 200 hz r g = 2 k w 210db * pulsed: pulse duration = 300 m s, duty cycle 2 % bc547b / bc547c 2/4
dim. mm inch min. typ. max. min. typ. max. a 4.32 4.95 0.170 0.195 b 0.36 0.51 0.014 0.020 d 4.45 4.95 0.175 0.194 e 3.30 3.94 0.130 0.155 e 2.41 2.67 0.095 0.105 e1 1.14 1.40 0.045 0.055 l 12.70 15.49 0.500 0.609 r 2.16 2.41 0.085 0.094 s1 1.14 1.52 0.045 0.059 w 0.41 0.56 0.016 0.022 v 4 degree 6 degree 4 degree 6 degree to-92 mechanical data bc547b / bc547c 3/4
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