elektronische bauelemente MMDT4944 npn+npn dual-chip plastic encapsulated transistor 01-june-2005 rev. a page 1 of 2 http://www.secosgmbh.com/ any changes of specification will not be informed individually. 123 54 q1 q2 b l f h c j d g k a e rohs compliant product a suffix of ?-c? specifies halogen & lead-free features z small package (dual type) z high voltage and high current z high h fe , excellent h fe linearity packaging information weight: 0.0081g (approximate) marking code ly lgr absolute maximum ratings (at ta = 25 c unless otherwise specified) parameter symbol ratings unit collector to base voltage v cbo 60 v collector to emitter voltage v ceo 50 v emitter to base voltage v ebo 5 v collector current ? continuous i c 0.15 a collector power dissipation pc 0.20 w junction, storage temperature t j , t stg +150, -55 ~ +150 electrical characteristics (at ta = 25 c unless otherwise specified) parameter test conditions symbol min. typ. max. unit collector-base breakdown voltage i c = 100 a, i e = 0 v (br)cbo 60 - - v collector-emitter breakdown voltage i c = 1 ma, i b = 0 v (br)ceo 50 - - v emitter-base breakdown voltage i e = 100 a, i c = 0 v (br)ebo 5 - - v collector cutoff current v cb = 60 v, i e = 0 i cbo - - 0.1 a emitter cutoff current v eb = 5 v, i c = 0 i ebo - 0.1 a collector-emitter saturation voltage i c = 100 ma, i b = 10 ma v ce(sat) - - 0.25 v dc current transfer ratio v ce = 6v, i c = 2 ma h fe 120 - 400 transition frequency v ce = 10 v, i c = 1 ma f t 80 - - mhz output capacitance v cb = 10 v, i e = 0, f = 1 mhz c ob - - 3.5 pf classification of h fe marking ly lgr rank y gr range 120 - 240 200 ? 400 sot-353 millimete r millimete r ref. min. max. ref. min. max. a 2.00 2.20 g 0.100 ref. b 2.15 2.45 h 0.525 ref. c 1.15 1.35 j 0.08 0.15 d 0.90 1.10 k 8 e 1.20 1.40 l 0.650 typ. f 0.15 0.35 1
elektronische bauelemente MMDT4944 npn+npn dual-chip plastic encapsulated transistor 01-june-2005 rev. a page 2 of 2 http://www.secosgmbh.com/ any changes of specification will not be informed individually. characteristic curves
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