1/3 www.rohm.com c 2010 rohm co., ltd. all rights reserved. 2010.04 - rev.d medium power transistor ( ? 32v, ?? 1a) 2sa1515s / 2SB1237 ? features ? dimensions (unit : mm) 1) low v ce(sat). v ce(sat) = ? 0.2v(typ.) (i c / i b = ? 500ma / ? 50ma) 2) compliments 2sd1858 ? structure epitaxial planar type pnp silicon transistor ? absolute maximum ratings (ta=25 ? c) ? 1 single pulse, pw=100ms ? 2 printed circuit board, 1.7 mm thick, collector copper plating 100mm 2 or larger. parameter v cbo v ceo v ebo p c tj tstg ? 40 v v v a(dc) w ? 32 ? 5 ? 1 i c a(pulse) ? 2 0.3 1 ? 1 ? 2 2sa1515s 2SB1237 150 ? 55 to + 150 symbol limits unit collector-base voltage collector-emitter voltage emitter-base voltage collector current collector power dissipation junction temperature storage temperature c c ? electrical characteristics (ta=25 ? c) transition frequency output capacitance dc current transfer ratio v ce = ? 3v, i c = ? 0.1a parameter symbol bv cbo bv ceo bv ebo i cbo i ebo h fe v ce(sat) f t cob min. ? 40 ? 32 ? 5 ? ? 120 ? ? ? ? ? ? ? ? ? ? 0.2 150 20 ? ? ? ? 0.5 ? 0.5 390 ? 0.5 ? ? ? 30 vi c = ? 50 a i c = ? 1ma i e = ? 50 a v cb = ? 20v v eb = ? 4v i c /i b = ? 500ma/ ? 50ma v ce = ? 5v, i e = 50ma, f = 30mhz v cb = ? 10v, i e = 0a, f = 1mhz v v a a ? v mhz pf typ. max. unit conditions ? measured using pulse current. collector-base breakdown voltage collector-emitter breakdown voltage emitter-base breakdown voltage collector cutoff current emitter cutoff current collector-emitter saturation voltage 2SB1237 (1) emitter (2) collector (3) base rohm : atv 1.0 6.8 0.2 2.5 0.2 1.05 0.45 0.1 2.54 2.54 0.5 0.1 0.9 4.4 0.2 14.5 0.5 (1) (2) (3) 0.65max. + ? + ? + ? + ? + ? + ? 3 0.2 (15min.) 4 0.2 0.45 5 (1) (2) (3) + 0.15 ? 0.05 2.5 + 0.4 ? 0.1 3min. (1) emitter (2) collector (3) base rohm : spt eiaj : sc-72 2sa1515s + ? + ? 2 0.2 0.45 0.5 ? 0.05 + 0.15 + ?
2/3 www.rohm.com c 2010 rohm co., ltd. all rights reserved. 2010.04 - rev.d data sheet 2sa1515s / 2SB1237 ? packaging specifications and h fe package code basic ordering unit (pieces) taping tp 5000 h fe qr 2sa1515s tu2 2500 qr 2SB1237 type ? ? h fe values are classified as follows : item h fe q 120 to 270 r 180 to 390 ? electrical characteristics curves fig.1 grounded emitter propagation characteristi cs 0 -1 -2 -5 -20 -200 -500 -0.2 -0.4 -0.6 -0.8 -1.0 -1.2 -1.4 -1.6 -10 -50 -100 v ce = ? 6v collector current : i c ( ma) base to emitter voltage : v be (v) ta = 100 c 25 c ? 55 c 0 0 ? 100 ? 400 ? 500 ? 0.4 ? 0.8 ? 1.2 ? 1.6 ? 200 ? 300 ? 2 .0 collector current : i c (ma) collector to emitter voltage : v ce (v) fig.2 grounded emitter output characteristics i b = 0ma ? 0.5 ? 1.0 ? 1.5 ? 2.0 ? 2.5 ? 3.0 ? 3.5 ? 4.0 ? 4.5 ? 5.0 ta = 25 c collector current : i c (ma) fig.3 dc current gain vs. collector current ( ) ? 1 50 100 1000 ? 2 ? 5 ? 10 ? 20 ? 50 ? 100 ? 200 ? 500 200 500 ? 100 0 dc current gain : h fe ta = 25 c ? 1v v ce = ? 3v 50 100 1000 200 500 ? 1 ? 2 ? 5 ? 10 ? 20 ? 50 ? 100 ? 200 ? 500 ? 100 0 v ce = ? 3v dc current gain : h fe collector current : i c (ma) fig.4 dc current gain vs. collector current ( ? ) ta = 100 c 25 c ? 55 c ? 1 ? 2 ? 5 ? 10 ? 20 ? 50 ? 100 ? 200 ? 500 ? 1000 ? 200 0 collector saturation voltage : v ce(sat ) (v ) collector current : i c (ma) fig.5 collector-emitter saturation voltage vs. collector current ? 1 ? 0.5 ? 0.2 ? 0.1 ? 0.05 ? 0.02 ? 0.01 ta = 25 c i c /i b = 10 ? 1 ? 2 ? 5 ? 10 ? 20 ? 50 ? 10 0 ? 0.2 0 ? 0.4 ? 0.6 ? 0.8 ? 1.0 collector to emitter voltage : v ce (v ) base current : i b ( ma ) fig.6 collector-emitter saturation voltage vs. base current l c = ? 500ma l c = ? 300ma ta = 25 c 20 50 100 200 ? 1 ? 2 ? 5 ? 10 ? 20 ? 50 ? 10 0 emitter current : i e (ma) transition frequency : f t (mhz) fig.7 gain bandwidth product vs. emitter current ta = 25 c v ce = ? 5v collector output capacitance : cob (pf ) collector to base voltage : v cb ( v ) fig.8 collector output capacitance vs.collector-base voltage ? 0.5 ? 1 ? 2 ? 5 ? 10 ? 2 0 10 20 50 100 ta = 25 c f = 1mhz i e = 0a ? 0.01 ? 5 ? 0.1 ? 5 0 collector current : i c (a) collector to emitter voltage : v ce ( v) fig.9 safe operation area (2SB1237) ? 2 ? 0.2 ? 0.5 ? 1 ? 0.1 ? 0.02 ? 0.05 ? 0.2 ? 0.5 ? 1 ? 2 ? 5 ? 10 ? 20 p w = 100 ms ? p w = 10ms ? dc i c max . ? ta = 25 c ? single pulse
3/3 www.rohm.com c 2010 rohm co., ltd. all rights reserved. 2010.04 - rev.d data sheet 2sa1515s / 2SB1237 0.1 1 10 100 100 0 0.01 transient thermal resistance : r th ( c/w) time : t (s) fig.10 transient thermal resistanc e (2SB1237) 200 100 50 20 10 5 2 ta = 25 c
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