2SB857 rev.f mar.-2016 data sheet http://www.fsbrec.com 1 / 6 to-220 ?? pnp ?? silicon pnp transistor in a to-220 plastic package. 2sd1133 complementary pair with 2sd1133. ???? low frequency power amplifier applications. pin1 base pin 2 collector pin 3 emitter ?? / h fe classifications & marking / descriptions / features ? / applications ? / equivalent circuit / pinning h fe classifications symbol b c d h fe range 60 120 100 200 160 320 3 2 1
2SB857 rev.f mar.-2016 data sheet http://www.fsbrec.com 2 / 6 parameter symbol ? rating unit collector to base voltage v cbo -70 v collector to emitter voltage v ceo -50 v emitter to base voltage v ebo -5.0 v collector current - continuous i c -4.0 a base current - continuous i cp -8.0 a collector power dissipation p c (t c =25 ) 40 w junction temperature t j 150 storage temperature range t stg -55 150 parameter symbol test conditions ? min ? typ ? max unit collector to base breakdown v oltage v cbo i c =-10 a i e =0 -70 v collector to emitter breakdown v oltage v ceo i c =-50ma i b =0 -50 v emitter to base breakdown v oltage v ebo i e =-10 a i c =0 -5.0 v collector cut-off current i cbo v cb =-50v i e =0 -1.0 a dc current gain h fe(1)* v ce =-4.0v i c =-1.0a * 60 320 h fe(2)* v ce =-4.0v i c =-0.1a * 35 collector to emitter saturation v oltage* v ce(sat)* i c =-2.0a i b =-0.2a * -1.0 v base to emitter voltage* v be* v ce =-4.0v i c =-1.0a * -1.0 v transition frequency* f t* v ce =-4.0v i c =-0.5a * 15 mhz * /pulse test. ? / absolute maximum ratings(ta=25 ) ? / electrical characteristics(ta=25 )
2SB857 rev.f mar.-2016 data sheet http://www.fsbrec.com 3 / 6 ? / electrical characteristic curve
2SB857 rev.f mar.-2016 data sheet http://www.fsbrec.com 4 / 6 ?? / package dimensions
2SB857 rev.f mar.-2016 data sheet http://www.fsbrec.com 5 / 6 ?? / marking instructions ? br ?? b857 ??? b:?h fe ? **** ???? note: br: company code b857: product type. b: h fe classifications symbol ****: lot no. code, code change with lot no. br **** b857 b
2SB857 rev.f mar.-2016 data sheet http://www.fsbrec.com 6 / 6 ??? ( ? ) / temperature profile for dip soldering(pb-free) ? note: 1 ?? 25 150 ? 60 90sec; 1.preheating:25~150 , time:60~90sec. 2 ?? 255 5 ?? 5 0.5sec; 2.peak temp.:255 5 , duration:5 0.5sec. 3 ???? 2 10 /sec. 3. cooling speed: 2~10 /sec. ? / resistance to soldering heat test conditions ?? 270 5 ?? 10 1 sec. temp.:2705 time:101 sec ? / packaging spec. ?? / bulk package type ?? units ? dimension ?? (unit mm 3 ) units/bag ? / bags/inner box / units/inner box ? / inner boxes/outer box / units/outer box ? / bag inner box outer box to-220/f 200 10 2,000 5 10,000 135190 237172102 560245195 ??? / tube package type ?? units ? dimension ?? (unit mm 3 ) units/tube ? / ? tubes/inner box ? / units/inner box ? / inner boxes/outer box / units/outer box ? / tube ? inner box outer box to-220/f 50 20 1,000 5 5,000 53231.45.5 55516450 575290180 ?? / notices
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