BC546, A/B BC547, A/B/C BC548, A/B/C NPN General Purpose Transistor COLLECTOR 1 TO-92 2 BASE 1 2 3 EMITTER 3 Maximum Ratings ( TA =25°C unless otherwise noted) Rating Symbol Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current Continuous VECO V CBO VEBO lC BC546 65 80 6 BC547 45 50 6 100 Unit Vdc Vdc Vdc mAdc BC548 30 30 6 THERMAL CHARACTERISTICS Characteristics Total Device Dissipation Alumina Substrate, TA = 25℃ C BC546 BC547 BC548 Junction and Storage, Temperature BC546 BC547 BC548 Symbol Max Unit PD 625 mW/ ℃ C -55 to +150 ℃ C TJ, Tstg ELECTRICAL CHARACTERISTICS Characteristics Symbol Min Max Unit V(BR)CEO 65 45 30 Vdc OFF CHARACTERISTICS Collector-Emitter Breakdown Voltage (lC = 1 mAdc. lB =0) BC546 BC547 BC548 Collector-Base Breakdown Voltage (lC = 100 ? Adc. lE =0) BC546 BC547 BC548 V(BR)CBO 80 50 30 Vdc Emitter-Base Breakdown Voltage (lE = 10 ? Adc. l C =0) BC546 BC547 BC548 V(BR)EBO 6 Vdc WEIT RON htt p://ww w. weit r o n .c om .tw 1/5 Rev.C 30-May-08 BC546, A/B BC547, A/B/C BC548, A/B/C ELECTRICAL CHARACTERISTICS (TA=25℃ C unless otherwise noted) (Countinued) Characteristics Symbol Min Max Unit OFF CHARACTERISTICS Collector Cutoff Current (VCE=60V, lB=0) (VCE=45V, lB=0) (VCE=30V, lB=0) BC546 BC547 BC548 lCEO - 0.1 µA Collector Cutoff Current (VCB=70V, lE=0) (VCB=50V, lE=0) (VCB=30V, lE=0) BC546 BC547 BC548 lCBO - 0.1 µA Emitter Cutoff Current (VEB=5.0V, lC=0) BC546 BC547 BC548 lEBO - 0.1 µA 110 800 hFE 110 110 110 200 420 800 800 220 450 800 Collector-emitter saturation voltage (lC=100mA, lB=5mA) VCE(sat) - 0.3 V Base-emitter saturation voltage (lC=100mA, lB=5mA) VBE(sat) - 1 V Transition frequency (VCE=5V, lC=10mA, f=100MHz) fT 150 - MHz ON CHARACTERISTICS DC current gain (VCE=5V, lC=2mA) BC546 BC547 BC548 BC546A/BC547A/BC548A BC546B/BC547B/BC548B BC546C/BC547C/BC548C WEITRON http://www.weitron.com.tw 2/5 Rev.B 27-Apr-05 BC546, A/B BC547, A/B/C BC548, A/B/C Typical Characteristics WEITRON http://www.weitron.com.tw 3/5 BC546, A/B BC547, A/B/C BC548, A/B/C Typical Characteristics WEITRON http://www.weitron.com.tw 4/5 BC546, B BC547, A/B/C BC548, A/B/C TO-92 Outline Dimensions unit:mm E H TO-92 Dim A B C D E G H J K L L C J K D A B G WEITRON http://www.weitron.com.tw 5/5 Min Max 3.70 3.30 1.40 1.10 0.55 0.38 0.51 0.36 4.70 4.40 3.43 4.70 4.30 1.270TYP 2.44 2.64 14.10 14.50