leshan radio company, ltd. general purpose transistors 1 sot?23 2 emitter 3 collect or 1 base 3 xx marking diagram xx= device marking (see table below) lbc857clt1g series pnp silicon ? moisture sensitivity level: 1 ? esd rating C human body model: >4000 v esd rating C machine model: >400 v ? maximum ratings (t a = 25 c unless otherwise noted) rating symbol value unit collector-emitter voltage lbc856 lbc857 lbc858, lbc859 v ceo ?65 ?45 ?30 v collector-base voltage lbc856 lbc857 lbc858, lbc859 v cbo ?80 ?50 ?30 v emitter?base voltage v ebo ?5.0 v collector current ? continuous i c ?100 madc thermal characteristics characteristic symbol max unit total device dissipation fr?5 board, (note 1.) t a = 25 c derate above 25 c p d 225 1.8 mw mw/ c thermal resistance, junction to ambient r ja 556 c/w total device dissipation alumina substrate, (note 2.) t a = 25 c derate above 25 c p d 300 2.4 mw mw/ c thermal resistance, junction to ambient r ja 417 c/w junction and storage temperature t j ,t stg ?55 to +150 c 1. fr?5 = 1.0 x 0.75 x 0.062 in 2. alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina. rohs requirements. we declare that the material of product compliance with 2 3 1 2 rev.o 1/7
leshan radio company, ltd. device marking and ordering information device marking package shipping lbc856alt1g 3a sot-23 3000/tape&reel lbc856alt3g 3a sot-23 10000/tape&reel lbc856blt1g 3b sot-23 3000/tape&reel lbc856blt3g 3b lbc857alt1g 3e sot-23 3000/tape&reel lbc857alt1g 3e lbc857blt1g 3f sot-23 3000/tape&reel lbc857blt3g 3f lbc857clt1g 3g sot-23 3000/tape&reel lbc857clt1g 3g lbc858alt1g 3j sot-23 3000/tape&reel lbc858alt1g 3j lbc858blt1g 3k sot-23 3000/tape&reel lbc858blt3g 3k lbc858clt1g 3l sot-23 3000/tape&reel lbc858clt3g 3l lbc859blt1g 4b sot-23 3000/tape&reel lbc859blt1g 4b lbc859clt1g 4c sot-23 3000/tape&reel lbc859clt3g 4c sot-23 10000/tape&reel sot-23 10000/tape&reel sot-23 10000/tape&reel sot-23 10000/tape&reel sot-23 10000/tape&reel sot-23 10000/tape&reel sot-23 10000/tape&reel sot-23 10000/tape&reel sot-23 10000/tape&reel lbc857clt1g series rev.o 2/7
leshan radio company, ltd. electrical characteristics (t a = 25 c unless otherwise noted) characteristic symbol min typ max unit off characteristics collector?emitter breakdown voltage lbc856 series (i c = ?10 ma) lbc857 series lbc858, lbc859 series v (br)ceo ?65 ?45 ?30 ? ? ? ? ? ? v collector?emitter breakdown voltage lbc856 series (i c = ?10 a, v eb = 0 ) lbc857 series lbc858, lbc859 series v (br)ces ?80 ?50 ?30 ? ? ? ? ? ? v collector?base breakdown voltage lbc856 series (i c = ?10 a) lbc857 series lbc858, lbc859 series v (br)cbo ?80 ?50 ?30 ? ? ? ? ? ? v emitter?base breakdown voltage lbc856 series (i e = ?1.0 a) lbc857 series lbc858, lbc859 series v (br)ebo ?5.0 ?5.0 ?5.0 ? ? ? ? ? ? v collector cutoff current (v cb = ?30 v) collector cutoff current (v cb = ?30 v, t a = 150 c) i cbo ? ? ? ? ?15 ?4.0 na a on characteristics dc current gain (i c = ?2.0 ma, v ce = ?5.0 v) lbc856a, lbc857a, lbc858a lbc856b, lbc857b, lbc858b, lbc859b lbc857c, lbc858c, lbc859c h fe 125 220 420 180 290 520 250 475 800 ? collector?emitter saturation voltage (i c = ?10 ma, i b = ?0.5 ma) (i c = ?100 ma, i b = ?5.0 ma) v ce(sat) ? ? ? ? ?0.3 ?0.65 v base?emitter saturation voltage (i c = ?10 ma, i b = ?0.5 ma) (i c = ?100 ma, i b = ?5.0 ma) v be(sat) ? ? ?0.7 ?0.9 ? ? v base?emitter on voltage (i c = ?2.0 ma, v ce = ?5.0 v) (i c = ?10 ma, v ce = ?5.0 v) v be(on) ?0.6 ? ? ? ?0.75 ?0.82 v small?signal characteristics current?gain ? bandwidth product (i c = ?10 ma, v ce = ?5.0 vdc, f = 100 mhz) f t 100 ? ? mhz output capacitance (v cb = ?10 v, f = 1.0 mhz) c ob ? ? 4.5 pf noise figure (i c = ?0.2 ma, v ce = ?5.0 vdc, r s = 2.0 k ? , f = 1.0 khz, bw = 200 hz) lbc856, lbc857, lbc858 series lbc859 series nf ? ? ? ? 10 4.0 db lbc857clt1g series rev.o 3/7
leshan radio company, ltd. lbc857/ lbc858 i c , collector current (madc) figure 1. normalized dc current gain i c , collector current (madc) figure 2. ?saturation? and ?on? voltages ?0.2 ?0.5 ?1.0 ?2.0 ?5.0 ?10 ?20 ?50 ?100 ?200 v ce = ?10 v t a = 25c 2.0 1.5 1.0 0.7 0.5 0.3 0.2 ?0.1 ?0.2 ?0.5 ?1.0 ?2.0 ?5.0 ?10 ?20 ?50 ?100 t a = 25c v be(sat) @ i c /i b =10 v be(on) @ v ce = ?10 v v ce(sat) @ i c /i b = 10 t a = 25c v, voltage (volts) ?1.0 ?0.9 ?0.8 ?0.7 ?0.6 ?0.5 ?0.4 ?0.3 ?0.2 ?0.1 0 vb , temperature coefficient (mv/ c) 1.0 1.2 1.6 2.0 2.4 2.8 i b , base current (ma) figure 3. collector saturation region v ce , collector? emitter voltage (v) i c = ?200 ma ?55c to +125c i c , collector current (ma) figure 4. base?emitter temperature coefficient ?0.2 ?1.0 ?10 ?100 ?0.02 ?0.1 ?1.0 ?10 ?20 ?2.0 ?1.6 ?1.2 ?0.8 ?0.4 0 i c = ?10 ma i c = ?100 ma i c = ? 20 ma i c = ?50 ma h fe , normalized dc current gain v r , reverse voltage (volts) figure 5. capacitances i c , collector current (madc) figure 6. current?gain ? bandwidth product t a =25c v ce =?10v t a = 25c f t , current? gain ? bandwidth product (mhz) v, voltage (volts) c ob c ib 400 300 200 100 80 60 40 30 20 10.0 7.0 5.0 3.0 2.0 1.0 ?0.4 ?0.6 ?1.0 ?2.0 ?4.0 ?6.0 ?10 ?20 ?30 ?40 ?0.5 ?1.0 ?2.0 ?3.0 ?5.0 ?10 ?20 ?30 ?50 lbc857clt1g series rev.o 4/7
leshan radio company, ltd. lbc856 i c , collector current (ma) figure 7. dc current gain i c , collector current (ma) figure 8. ?on? voltage i b , base current (ma) figure 9. collector saturation region i c , collector current (ma) figure 10. base?emitter temperature coefficient v be(sat) @ i c /i b = 10 v be @v ce = ?5.0 v t j = 25c v ce = ?5.0v t a = 25c v ce(sat) @ i c /i b = 10 v ce , collector? emitter voltage (volts) vb , temperature coefficient (mv/c) v, voltage (volts) i c = ?10 ma ?100ma ?20ma ?200ma t j = 25c vb for v be ?55c to 125c ?1.0 ?1.4 ?1.8 ?2.2 ?2.6 ?3.0 ?1.0 ?0.8 ?0.6 ?0.4 ?0.2 0 2.0 1.0 0.5 0.2 ?2.0 ?1.6 ?1.2 ?0.8 ?0.4 0 ?0.1?0.2 ?1.0?2.0 ?5.0?10?20 ?50?100?200 ?0.2 ?0.5 ?1.0 ?2.0 ?5.0 ?10 ?20 ?50 ?100 ?200 ?0.2 ?0.5 ?1.0 ?2.0 ?5.0 ?10 ?20 ?50 ?100 ?200 ?0.02 ?0.05 ?0.1 ?0.2 ?0.5 ?1.0 ?2.0 ?5.0 ?10 ?20 h fe , dc current gain (normalized) ?50ma v r , reverse voltage (volts) figure 11. capacitance i c , collector current (ma) figure 12. current?gain ? bandwidth product c, capacitance (pf) f t , current? gain ? bandwidth product t c ob c ib t j = 25c v ce = ?5.0 v ?0.1?0.2 ?0.5 ?1.0 ?2.0 ?5.0 ?10 ?20 ?50 ?100 ?1.0 ?10 ?100 40 20 10 8.0 6.0 4.0 2.0 500 200 100 50 20 lbc857clt1g series rev.o 5/7
leshan radio company, ltd. t, time (ms) figure 13. thermal response v ce , collector?emitter voltage (v) figure 14. active region safe operating area bonding wire limit thermal limit second breakdown limit the safe operating area curves indicate i c ?v ce limits of the transistor that must be observed for reliable operation. collector load lines for specific circuits must fall below the limits indicated by the applicable curve. the data of figure 14 is based upon t j(pk) = 150c; t c or t a is variable depending upon conditions. pulse curves are valid for duty cycles to 10% provided t j(pk) < 150c. t j(pk) may be calcu- lated from the data in figure 13. at high case or ambient temperatures, thermal limitations will reduce the power that can be handled to values less than the limitations imposed by the sec- ondary breakdown. bc558 bc557 bc556 z jc (t) = r(t) r jc r jc = 83.3c/w max z ja (t) = r(t) r ja r ja = 200c/w max d curves apply for power pulse train shown read time at t 1 t j(pk) ? t c = p (pk) r jc (t) i c , collector current (ma) r( t), transient thermal resistance (normalized) duty cycle, d = t 1 /t 2 t 1 t 2 p (pk) single pulse single pulse t a = 25c t j = 25c 3 ms 1s 1.0 0.7 0.5 0.3 0.2 0.1 0.07 0.05 0.03 0.02 0.01 d=0.5 0.2 0.1 0.05 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 100 200 500 1.0k 2.0k 5.0k 10k ?1.0 ?0.5 ?10 ?30 ?45 ?65 ?100 ?200 ?100 ?50 ?10 ?5.0 ?2.0 lbc857clt1g series rev.o 6/7
leshan radio company, ltd. d j k l a c b s h g v 12 mm inches 0.037 0.95 0.037 0.95 0.079 2.0 0.035 0.9 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 0.031 0.8 sot-23 3 lbc857clt1g series rev.o 7/7
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