continental device india limited data sheet page 1 of 3 silicon epitaxial transistors n?p?n transistors marking CMBT3903 = 1y cmbt3904 = 1a absolute maximum ratings collector?base voltage (open emitter) v cb0 max. 60 v collector?emitter voltage (open base) v ce0 max. 40 v emitter?base voltage (open collector) v eb0 max. 6 v collector current (dc) i c max. 200 ma total power dissipation up to t amb = 25 c p tot max. 250 mw dc current gain CMBT3903 > 50 i c = 10 ma; v ce = 1 v h fe < 150 cmbt3904 > 100 i c = 10 ma; v ce = 1 v h fe < 300 transition frequency at f = 35 mhz i c = 10 ma; v ce = 20 v f t > 300 mhz CMBT3903 cmbt3904 package outline details all dimensions in mm pin configuration 1 = base 2 = emitter 3 = collector 3 2 1 sot-23 formed smd package continental device india limited an iso/ts16949 and iso 9001 certified company
continental device india limited data sheet page 2 of 3 ratings (at t a = 25c unless otherwise specified) limiting values collector?base voltage (open emitter) v cb0 max. 60 v collector?emitter voltage (open base) v ce0 max. 40 v emitter?base voltage (open collector) v eb0 max. 6 v collector current (d.c.) i c max. 200 ma total power dissipation up to t amb = 25 c p tot max. 250 mw storage temperature t stg ?55 to +150 c junction temperature t j max. 150 c thermal resistance t j = p (r th j?t + r th t?s + r th s?a ) + t amb thermal resistance from junction to ambient r th j?a = 500 k/w characteristics t amb = 25 c unless otherwise specified collector?emitter breakdown voltage i c = 1 ma; l b = 0 v (br)ceo min. 40 v collector?base breakdown voltage i c = 10m a; i e = 0 v (br)cbo min. 60 v emitter?base breakdown voltage i e = 10m a; i c = 0 v (br)ebo min. 6 v collector cut?off current v ce = 30 v; v eb = 3 v i cex max. 50 na output capacitance at f = 1 mhz i e = 0; v cb = 5 v c c max. 4 pf input capacitance at f = 1 mhz i c = 0; v be = 0,5 v c e max. 8 pf base current with reverse biased emitter junction v eb = 3 v; v ce = 30 v i bex max. 50 na saturation voltages i c = 10 ma; l b = 1 ma v cesat max. 0.2 v i c = 50 ma; 1 b = 5 ma v cesat max. 0.3 v i c = 10 ma; l b = 1 ma v besat min. 0.65 v max. 0.85 v i c = 50 ma; l b = 5 ma v besat max. 0.95 v CMBT3903 cmbt3904
continental device india limited data sheet page 3 of 3 CMBT3903 cmbt3904 d.c. current gain * i c = 0,1 ma; v ce = 1 v h fe >20 40 i c = 1 ma; v ce = 1 v h fe >35 70 i c = 10 ma; v ce = 1 v h fe > 50 100 < 150 300 i c = 50 ma; v ce = 1 v h fe >30 60 i c = 100 ma; v ce = 1 v h fe >15 30 transition frequency at f = 100 mhz i c = 10 ma; v ce = 20 v f t min. 250 300 mhz noise figure at r s = 1 kw i c = 100 m a; v ce = 5 v f = 10 hz to 15,7 khz f max. 6 5 db small signal current gain v ce = 10v; i c = 1 ma; f = 1 khz h fe min. 50 100 max. 200 400 CMBT3903 cmbt3904 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 are 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 + 91-11-2579 6150, 5141 1112 fax + 91-11-2579 5290, 5141 1119 email@cdil.com www.cdilsemi.com
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