BC857 PNP Silicon Transistor Descriptions PIN Connection • General purpose application • Switching application C Features B • High voltage : VCEO=-45V • Complementary pair with BC847 E SOT-23 Ordering Information Type NO. BC857 Marking Package Code UA □ □ SOT-23 ① ② ③ ① Device Code ② hFE Rank ③ Year&Week Code Absolute maximum ratings (Ta=25°C) Characteristic Symbol Ratings Unit Collector-Base voltage VCBO -50 V Collector-Emitter voltage VCEO -45 V Emitter-Base voltage VEBO -5 V Collector current IC -100 mA Collector dissipation PC 200 mW Junction temperature Tj 150 °C Storage temperature Tstg -55~150 °C Electrical Characteristics (Ta=25°C) Characteristic Symbol Collector-Emitter breakdown voltage BVCEO IC=-2mA, IB=0 Base -Emitter turn on voltage VBE(ON) Base -Emitter saturation voltage Collector-Emitter saturation voltage Collector cut-off current DC current gain Transition frequency Test Condition Min. Typ. Max. Unit -45 - - V VCE=-5V, IC=-2mA - - -700 mV VBE(sat) IC=-100mA, IB=-5mA - -900 - mV VCE(sat) IC=-100mA, IB=-5mA - - -650 mV VCB=-35V, IE= 0 - - -15 nA 110 - 800 - VCB=-5V, IC=-10mA - 150 - MHz ICBO * hFE fT VCE=-5V, IC=-2mA Collector output capacitance Cob VCB=-10V, IE=0, f=1MHz - - 4.5 pF Noise Figure NF VCE=-5V, IC=-200μA, f=1KHz,Rg=2KΩ - - 10 dB * : hFE rank / A : 110 ~ 220, B : 200 ~ 450, C : 420 ~ 800 KSD-T5C031-000 1 BC857 Electrical Characteristic Curves Fig. 1 PC-Ta Fig. 2 IC-VBE Fig. 3 IC-VCE Fig. 4 hFE-IC Fig. 5 VCE(sat)-IC KSD-T5C031-000 2 BC857 Outline Dimension ※Recommend PCB solder land [Unit: mm] KSD-T5C031-000 3 BC857 The AUK Corp. products are intended for the use as components in general electronic equipment (Office and communication equipment, measuring equipment, home appliance, etc.). Please make sure that you consult with us before you use these AUK Corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice. KSD-T5C031-000 4