?guangdong hottech industrial co.,ltd e-mail:hkt@heketai.com 1 / 4 he t c 4378 (npn) general purpose transistor replacement type : ktc4378 features ? high voltage maximum ratings (t a = 25c unless otherwise noted) electrical characteristics (t a =25c unless otherwise noted ) parameter symbol test conditions min typ max unit collector-base breakdown voltage v cbo i c =1ma,i e =0 80 v collector-emitter breakdown voltage v ceo i c =10ma,i b =0 60 v emitter-base breakdown voltage v ebo i e =1ma,i c =0 5 v collector cut-off current i cbo v cb =50v,i e =0 0.1 ua emitter cut-off current i ebo v eb =4v,i c =0 0.1 ua dc current gain h fe(1) v ce =2v,i c =0.05a 100 320 h fe(2) v ce =2v,i c =1a 30 collector-emitter saturation voltage v ce (sat) i c =500ma ,i b =50ma 0.5 v base-emitter voltage v be i c =500ma ,i b =50ma 1.2 v output capacitance c ob v cb =10v,i e =0,f=1mhz 12 pf transition frequency f t v ce =10v,i c =50ma, 150 mhz classification of h fe rank y gr range 100-200 160-320 marking ty tgr parameter symbol value unit collector-base voltage v cbo 80 v collector-emitter voltage v ceo 60 v emitter-base voltage v ebo 5 v collector current-continuous i c 1 a collector power dissipation p c 0.5 w junction temperature t j 150 c storage temperature t stg -55~150 c sot-89 1:base 2:collector 3:emitter
?guangdong hottech industrial co.,ltd e-mail:hkt@heketai.com 2 / 4 HETC4378(npn) general purpose transistor typical characteristics
?guangdong hottech industrial co.,ltd e-mail:hkt@heketai.com 3 / 4 he t c 4378 (npn) general purpose transistor sot-89 package outline dimensions symbol d i m e n s i on s i n m i l l i m e t e r s d i m e n s i o n s i n i n c h e s min. max. min. max. a 1.400 1.600 0.055 0.063 b 0.320 0.520 0.013 0.020 b1 0.400 0.580 0.016 0.023 c 0.350 0.440 0.014 0.017 d 4.400 4.600 0.173 0.181 d1 1.550ref. 0.061ref. e 2.300 2.600 0.091 0.102 e1 3.940 4.250 0.155 0.167 e 1.500typ. 0.060typ. e1 3.000typ. 0.118typ. l 0.900 1.200 0.035 0.047
?guangdong hottech industrial co.,ltd e-mail:hkt@heketai.com 4 / 4 he t c 4378 (npn) general purpose transistor sot-89 tape and reel dimensionsareinmillimeter type a b c d e f p0 p p1 w sot-89 4.85 4.45 1.85 ? 1.50 1.75 5.50 4.00 8.00 2.00 12.00 tolerance 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 sot-89 tape leader and trailer sot-89 reel dimnsionsareinmillimetere reeloption d d1 d2 g h i w1 w2 7 dia ? 180 60.00 r32.00 r86.50 r30.00 ? 13.00 13.20 16.50 tolerance 2 1 1 1 1 1 1 1 empty pockets empty pockets leader tape components
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