Datasheet BC546B / BC547A, B, C / BC548B, C (ON Semiconductor) - 2

BC546B, BC547A, B, C, BC548B, C ELECTRICAL CHARACTERISTICS
(TA = 25°C unless otherwise noted)
Characteristic Symbol Min Typ Max Unit OFF CHARACTERISTICS
Collector − Emitter Breakdown Voltage V(BR)CEO V (IC = 1.0 mA, IB = 0) BC546 65 − − BC547 45 − − BC548 30 − − Collector − Base Breakdown Voltage V(BR)CBO V (IC = 100 mAdc) BC546 80 − − BC547 50 − − BC548 30 − − Emitter − Base Breakdown Voltage V(BR)EBO V (IE = 10 mA, IC = 0) BC546 6.0 − − BC547 6.0 − − BC548 6.0 − − Collector Cutoff Current ICES (VCE = 70 V, VBE = 0) BC546 − 0.2 15 nA (VCE = 50 V, VBE = 0) BC547 − 0.2 15 (VCE = 35 V, VBE = 0) BC548 − 0.2 15 (VCE = 30 V, TA = 125°C) BC546/547/548 − − 4.0 mA
ON CHARACTERISTICS
DC Current Gain hFE − (IC = 10 mA, VCE = 5.0 V) BC547A − 90 − BC546B/547B/548B − 150 − BC548C − 270 − (IC = 2.0 mA, VCE = 5.0 V) BC546 110 − 450 BC547 110 − 800 BC548 110 − 800 BC547A 110 180 220 BC546B/547B/548B 200 290 450 BC547C/BC548C 420 520 800 (IC = 100 mA, VCE = 5.0 V) BC547A/548A − 120 − BC546B/547B/548B − 180 − BC548C − 300 − Collector − Emitter Saturation Voltage VCE(sat) V (IC = 10 mA, IB = 0.5 mA) − 0.09 0.25 (IC = 100 mA, IB = 5.0 mA) − 0.2 0.6 (IC = 10 mA, IB = See Note 1) − 0.3 0.6 Base − Emitter Saturation Voltage VBE(sat) − 0.7 − V (IC = 10 mA, IB = 0.5 mA) Base − Emitter On Voltage VBE(on) V (IC = 2.0 mA, VCE = 5.0 V) 0.55 − 0.7 (IC = 10 mA, VCE = 5.0 V) − − 0.77
SMALL−SIGNAL CHARACTERISTICS
Current − Gain − Bandwidth Product fT MHz (IC = 10 mA, VCE = 5.0 V, f = 100 MHz) BC546 150 300 − BC547 150 300 − BC548 150 300 − Output Capacitance Cobo − 1.7 4.5 pF (VCB = 10 V, IC = 0, f = 1.0 MHz) Input Capacitance Cibo − 10 − pF (VEB = 0.5 V, IC = 0, f = 1.0 MHz) Small − Signal Current Gain hfe − (IC = 2.0 mA, VCE = 5.0 V, f = 1.0 kHz) BC546 125 − 500 BC547/548 125 − 900 BC547A 125 220 260 BC546B/547B/548B 240 330 500 BC547C/548C 450 600 900 Noise Figure (IC = 0.2 mA, VCE = 5.0 V, RS = 2 kW, f = 1.0 kHz, Df = 200 Hz) NF dB BC546 − 2.0 10 BC547 − 2.0 10 BC548 − 2.0 10 1. IB is value for which IC = 11 mA at VCE = 1.0 V.
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