leshan radio com p an y , ltd. general purpose t ransistors 40v,2a low vce(sat) npn silicon maximum r a tings rating symbol v alue unit collector?emitter v oltage v ceo 40 v collector?base v oltage v cbo 40 v emitter?base v oltage v ebo 5.0 v collector current ? continuous i c 2 a total power dissipation d junction temperature t j 150 c storage temperature t stg -65 ~ +150 c 1 3 2 sot? 23 lbss4240lt1g rev.o 1/5 thermal characteristics 1 base 2 emitter collector 3 ordering information symbol parameter conditions value unit r th(j-a) thermal resistance from junction to ambient in free air;note 1 in free air;note 2 417 k/w 260 k/w 1.device mounted on a printed-circuit board,single sided copper,tinplated and standard footprint. notes: 2.device mounted on a printed-circuit board,single sided copper,tinplated and mounted pad for collector 1 cm. 2 ? low collector-emitter saturation voltage ? high current capability ? improved device reliabilit y due to reduced heat generation ? replacement for sot89/sot223 standard packaged transistors. ? supply line switching circuits ? battery management applications ? dc/dc converter applications ? strobe flash units ? heavy duty battery powered equipment (motor and lamp drivers). npn low v cesat transistor in a sot23 plastic package. pnp complement: lbss5240lt1g . we declare that the material of product compliance with ? p 0.3 w lbss4240lt1g lbss4240lt3g ze ze 3000/tape & reel 10000/tape & reel device marking shipping description applications features rohs requirements. s-lbss4240lt1g s- prefix for automotive and other applications requiring unique site and control change requirements; aec-q101 qualified and ppap capable. ? s-lbss4240lt1g s-lbss4240lt3g
electrical characteristics (t a = 25c unless otherwise noted.) leshan radio com p an y , ltd. lbss4240lt1g,s-lbss4240lt1g rev.o 2/5 symbol parameter conditions min. max. unit i cbo collector-base cut-off current i e = 0; v cb = 30 v ? 100 na i ebo emitter-base cut-off current i c = 0; v eb = 4 v ? 100 na h fe dc current gain i c = 100 ma; v ce = 2 v 350 ? i c = 500 ma; v ce = 2 v 300 ? i c = 1 a; v ce = 2 v 300 ? i c = 2 a; v ce = 2 v 150 ? v cesat collector-emitte r saturation voltage i c = 100 ma; i b = 1 ma ? 70 mv i c = 500 ma; i b = 50 ma ? 100 mv i c = 750 ma; i b = 15 ma ? 180 mv i c = 1 a; i b = 50 ma; note 1 ? 180 mv i c = 2 a; i b = 200 ma; note 1 ? 320 mv v besat base-emitter saturation voltage i c = 2 a; i b = 200 ma; note 1 ? 1.1 v v beon base-emitter turn on voltage i c = 100 ma; v ce = 2 v ? 0.75 v c c collector capacitance i e = i e = 0; v cb = 10 v; f = 1 mhz ? 20 pf f t transition frequency i c = 100 ma; v ce = 10 v; f = 100 mhz 100 ? mhz note 1. pulse test: t p 300 s; 0.02.
rev.o 3/5 leshan radio com p an y , ltd. electrical characteristic curves (ta = 25c) 10 100 1000 10000 0.0001 0.001 0.01 0.1 1 10 vce=2v ta=25c ta=-55c ta=150c 0 0.2 0.4 0.6 0.8 1 1.2 0.0001 0.001 0.01 0.1 1 10 vce=2v ta=25c ta=-55c ta=150c dc current gain : hfe collector current : ic (a) fig.1 dc current gain vs.collector current base turn-on voltage : vbe(on) (v) collector current : ic (a) fig.2 base-emitter turn-on voltage vs.collector current 1000 ic/ib=20 10 ic/ib=20 10 100 0.0001 0.001 0.01 0.1 1 10 0.1 1 0.0001 0.001 0.01 0.1 1 10 collector saturation collector current : ic (a) fig.3 collector-emitter saturation voltage vs.collector current voltage : vce(sat) (mv) base-emitter saturation collector current : ic (a) voltage : vbe(sat) (v) fig.4 base-emitter saturation voltage vs.collector current ta=25c ta=-55c ta=150c ta=25c ta=-55c ta=150c lbss4240lt1g,s-lbss4240lt1g
rev.o 3/5 leshan radio com p an y , ltd. electrical characteristic curves (ta = 25c) 0.1 1 10 100 1000 0.0001 0.001 0.01 0.1 1 10 ic/ib=20 0 1 2 3 012345 collector-emitter voltage : vce (v) collector current : ic (a) fig.5 collector current vs.collector- emitter saturation voltage () collector current : ic (a) collector-emitter saturation resistance:rce fig.6 collector-emitter saturation resistance vs.collector current ib=2ma ib=4ma ib=6ma ib=8ma ib=10ma ib=12ma ib=14ma ib=16ma ib=18ma ib=20ma ta=25c ta=-55c ta=150c lbss4240lt1g,s-lbss4240lt1g
notes: 1. dimensioning and tolerancing per ansi y14.5m,1982 2. controlling dimension: inch. inches millimeters dim min max min max a 0.1102 0.1197 2.80 3.04 b 0.0472 0.0551 1.20 1.40 c 0.0350 0.0440 0.89 1.11 d 0.0150 0.0200 0.37 0.50 g 0.0701 0.0807 1.78 2.04 h 0.0005 0.0040 0.013 0.100 j 0.0034 0.0070 0.085 0.177 k 0.0140 0.0285 0.35 0.69 l 0.0350 0.0401 0.89 1.02 s 0.0830 0.1039 2.10 2.64 v 0.0177 0.0236 0.45 0.60 sot - 23 d j k l a c b s h g v 12 3 mm inches 0.037 0.95 0.037 0.95 0.079 2.0 0.035 0.9 0.031 0.8 leshan radio company, ltd. rev.o 5/5 lbss4240lt1g,s-lbss4240lt1g
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