continental device india limited data sheet page 1 of 3 silicon planar epitaxial transistors p?n?p transistors marking bc856 = 3d bc856a = 3a bc856b = 3b BC857 = 3h BC857a = 3e BC857b = 3f BC857c = 3g bc858 = 3m bc858a = 3j bc858b = 3k bc858c = 3l absolute maximum ratings bc856 BC857 bc858 collector?emitter voltage (+v be = 1 v) ?v cex max. 80 50 30 v collector?emitter voltage (open base) ?v ce0 max. 65 45 30 v collector current (peak value) ?i cm max. 200 ma total power dissipation up to t amb = 60 c p tot max. 250 mw junction temperature t j max. 150 c small?signal current gain ?i c = 2 ma; ?v ce = 5 v; f = 1 khz h fe 75 to 900 transition frequency at f = 100 mhz ?i c = 10 ma; ?v ce = 5 v f t > 100 mhz noise figure at r s = 2 k w ?i c = 200 m a; ?v ce = 5 v f = 1 khz; b = 200 hz f < 10 db bc856 BC857 bc858 pin configuration 1 = base 2 = emitter 3 = collector package outline details all dimensions in mm 3 2 1 sot-23 formed smd package continental device india limited an iso/ts 16949, iso 9001 and iso 14001 certified company
continental device india limited data sheet page 2 of 3 ratings (at t a = 25c unless otherwise specified) limiting values bc856 BC857 bc858 collector?base voltage (open emitter) ?v cbo max. 80 50 30 v collector?emitter voltage (+v be = 1 v) ?v cex max. 80 50 30 v collector?emitter voltage (open base) ?v ceo max. 65 45 30 v emitter?base voltage (open collector) ?v ebo max. 5 5 5 v collector current (d.c.) ?i c max. 100 ma collector current (peak value) ?i cm max. 200 ma emitter current (peak value) i em max. 200 ma base current (peak value) ?i bm max. 200 ma total power dissipation up to t amb: 60 c p tot max. 250 mw storage temperature t stg ?55 to +150 c junction temperature t j max. 150 c thermal characteristics t j = p x (r th j?t + r th t?s + r th s?a ) + t amb thermal resistance from junction to tab r th j?t =60 k/w from tab to soldering points r th t?s = 280 k/w from soldering points to ambient r th s?a =90 k/w characteristics t j = 25 c unless otherwise specified collector cut?off current i e = 0; ?v cb = 30v; t j = 25c ?i cbo typ. 1 na <15na t j = 150 c ?i cbo <4 m a base?emitter voltage ?i c = 2 ma; ?v ce = 5 v ?v be typ. 650 mv 600 to 750 mv ?i c = 10 ma; ?v ce = 5 v ?v be < 820 mv saturation voltages ?i c = 10 ma; ?i b = 0,5 ma ?v cesat typ. 75 mv < 300 mv ?v besat typ. 700 mv ?i c = 100 ma; ?i b = 5 ma ?v cesat typ. 250 mv < 650 mv ?v besat typ. 850 mv knee voltage ?i c = 10 ma; ?i b = value for which ?i c = 11 ma at ?v ce = 1 v ?v cek typ. 250 mv < 600 mv bc856 BC857 bc858
continental device india limited data sheet page 3 of 3 collector capacitance at f = 1 mhz i e = i e = 0; ?v cb = 10 v c c typ. 4,5 pf transition frequency at f = 100 mhz ?i c = 10 ma; ?v ce = 5 v f t > 100 mhz small?signal current gain at f = 1 khz ?i c = 2 ma; ?v ce = 5 v h fe 125 to 800 noise figure at r s = 2 k w ?i c = 200 m a; ?v ce = 5 v f = 1 khz; b = 200 hz f typ. 2 db <10db d.c. current gain ?i c = 2 ma; ?v ce = 5 v bc856 h fe 220 to 475 bc858/857 h fe 125 to 800 bc856a/857a/858a h fe 125 to 250 bc856b/857b/858b h fe 220 to 475 BC857c/858c h fe 420 to 800 bc856 BC857 bc858 disclaimer the product information and the selection guides facilitate selection of the cdil's discrete semiconductor device(s) best suite d for application in your product(s) as per your requirement. it is recommended that you completely review our data sheet(s) so a s to confirm that the device(s) meet functionality parameters for your application. the information furnished on the cdil web sit e/ cd is believed to be accurate and reliable. cdil however, does not assume responsibility for inaccuracies or incomplete information. furthermore, cdil does not assume liability whatsoever, arising out of the application or use of any cdil product; neither does it convey any license under its patent rights nor rights of others. these products are not designed for use in lif e saving/support appliances or systems. cdil customers selling these products (either as individual discrete semiconductor devices or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own risk and cdil will not be responsible for any damages resulting from such sale(s). cdil strives for continuous improvement and reserves the right to change the specifications of its products without prior notic e. cdil is a registered trademark of continental device india limited c-120 naraina industrial area, new delhi 110 028, india. telephone + 91-11-579 6150 fax + 91-11-579 9569, 579 5290 e-mail sales@cdil.com www.cdil.com
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