BC846T...BC850T NPN Silicon AF Transistors For AF input stages and driver applications High current gain 3 Low collector-emitter saturation voltage Low noise between 30 Hz and 15 kHz Complementary types: BC856T, BC857T, 2 BC858T, BC859T, BC860T 1 Type Marking Pin Configuration BC846AT 1As 1=B 2=E 3=C SC75 BC846BT 1Bs 1=B 2=E 3=C SC75 BC847AT 1Es 1=B 2=E 3=C SC75 BC847BT 1Fs 1=B 2=E 3=C SC75 BC847CT 1Gs 1=B 2=E 3=C SC75 BC848AT 1Js 1=B 2=E 3=C SC75 BC848BT 1Ks 1=B 2=E 3=C SC75 BC848CT 1Ls 1=B 2=E 3=C SC75 BC849BT 2Bs 1=B 2=E 3=C SC75 BC849CT 2cs 1=B 2=E 3=C SC75 BC850BT 2Fs 1=B 2=E 3=C SC75 BC850CT 2Gs 1=B 2=E 3=C SC75 1 VPS05996 Package Aug-01-2002 BC846T...BC850T Maximum Ratings Symbol Parameter BC846T BC847T BC848T Unit BC850T BC849T Collector-emitter voltage VCEO 65 45 30 V Collector-base voltage VCBO 80 50 30 Collector-emitter voltage VCES 80 50 30 Emitter-base voltage VEBO 6 6 5 DC collector current IC 100 mA Peak collector current ICM 200 mA Peak base current IBM 200 Peak emitter current IEM 200 Total power dissipation, TS = 109 °C Ptot 250 mW Junction temperature Tj 150 °C Storage temperature Tstg -65 ... 150 RthJS 165 Thermal Resistance Junction - soldering point1) K/W Electrical Characteristics at TA = 25°C, unless otherwise specified. Parameter Symbol Values min. typ. Unit max. DC Characteristics Collector-emitter breakdown voltage V V(BR)CEO IC = 10 mA, IB = 0 BC846T 65 - - IC = 10 mA, IB = 0 BC847T/BC850T 45 - - IC = 10 mA, IB = 0 BC848T/BC849T 30 - - V(BR)CBO Collector-base breakdown voltage IC = 10 µA, IE = 0 BC846T 80 - - IC = 10 µA, IE = 0 BC847T/850T 50 - - IC = 10 µA, IE = 0 BC848T/849T 30 - - 1For calculation of R thJA please refer to Application Note Thermal Resistance 2 Aug-01-2002 BC846T...BC850T Electrical Characteristics at TA = 25°C, unless otherwise specified. Parameter Symbol Values min. typ. Unit max. DC Characteristics Collector-emitter breakdown voltage V V(BR)CES IC = 10 µA, VBE = 0 BC846T 65 - - IC = 10 µA, VBE = 0 BC847T/850T 50 - - IC = 10 µA, VBE = 0 BC848T/849T 30 - - Emitter-base breakdown voltage V(BR)EBO IE = 1 µA, IC = 0 BC846T 6 - - IE = 1 µA, IC = 0 BC847T/BC850T 6 - - IE = 1 µA, IC = 0 BC848T/BC849T 5 - - ICBO - - 15 nA ICBO - - 5 µA Collector cutoff current VCB = 30 V, IE = 0 Collector cutoff current VCB = 30 V, IE = 0 , TA = 150 °C DC current gain 1) - hFE IC = 10 µA, VCE = 5 V hFE-group A - 140 - IC = 10 µA, VCE = 5 V hFE-group B - 250 - IC = 10 µA, VCE = 5 V hFE-group C - 480 - hFE DC current gain 1) IC = 2 mA, VCE = 5 V hFE-group A 110 180 220 IC = 2 mA, VCE = 5 V hFE-group B 200 290 450 IC = 2 mA, VCE = 5 V hFE-group C 420 520 800 Collector-emitter saturation voltage1) mV VCEsat IC = 10 mA, IB = 0.5 mA - 90 250 IC = 100 mA, IB = 5 mA - 200 600 IC = 10 mA, IB = 0.5 mA - 700 - IC = 100 mA, IB = 5 mA - 900 - IC = 2 mA, VCE = 5 V 580 660 700 IC = 10 mA, VCE = 5 V - - 770 VBEsat Base-emitter saturation voltage 1) Base-emitter voltage 1) VBE(ON) 1) Pulse test: t ≤=300µs, D = 2% 3 Aug-01-2002 BC846T...BC850T Electrical Characteristicsat TA = 25°C, unless otherwise specified. Parameter Symbol Values Unit min. typ. max. fT - 250 - MHz Ccb - 3 - pF Ceb - 8 - AC Characteristics Transition frequency IC = 20 mA, VCE = 5 V, f = 100 MHz Collector-base capacitance VCB = 10 V, f = 1 MHz Emitter-base capacitance VEB = 0.5 V, f = 1 MHz Short-circuit input impedance k h11e IC = 2 mA, VCE = 5 V, f = 1 kHz hFE-group A - 2.7 - IC = 2 mA, VCE = 5 V, f = 1 kHz hFE-group B - 4.7 - IC = 2 mA, VCE = 5 V, f = 1 kHz hFE-group C - 8.7 - Open-circuit reverse voltage transf.ratio 10-4 h12e IC = 2 mA, VCE = 5 V, f = 1 kHz hFE-group A - 1.5 - IC = 2 mA, VCE = 5 V, f = 1 kHz hFE-group B - 2 - IC = 2 mA, VCE = 5 V, f = 1 kHz hFE-group C - 3 - Short-circuit forward current transf.ratio - h21e IC = 2 mA, VCE = 5 V, f = 1 kHz hFE-group A - 200 - IC = 2 mA, VCE = 5 V, f = 1 kHz hFE-group B - 330 - IC = 2 mA, VCE = 5 V, f = 1 kHz hFE-group C - 600 - Open-circuit output admittance S h22e IC = 2 mA, VCE = 5 V, f = 1 kHz hFE-group A - 18 - IC = 2 mA, VCE = 5 V, f = 1 kHz hFE-group B - 30 - IC = 2 mA, VCE = 5 V, f = 1 kHz hFE-group C - 60 - 4 Aug-01-2002 BC846T...BC850T Electrical Characteristics at TA = 25°C, unless otherwise specified. Parameter Symbol Values min. typ. Unit max. AC Characteristics Noise figure F IC = 200 µA, VCE = 5 V, RS = 2 k, f = 1 kHz, f = 200 Hz BC849T IC = 200 µA, VCE = 5 V, RS = 2 k, f = 1 kHz, f = 200 Hz - 1.2 4 - 1 4 - - BC850T Equivalent noise voltage Vn IC = 200 µA, VCE = 5 V, RS = 2 k, f = 10 ... 50 Hz dB 0.135 µV BC850T 5 Aug-01-2002 BC846T...BC850T Collector-base capacitance CCB = f (VCBO Emitter-base capacitance CEB = f (VEBO) Total power dissipation Ptot = f (TS ) 300 C CB0 ( C EB0 ) mW 12 pF BC 846...850 EHP00361 P tot 10 200 8 150 6 100 4 50 2 0 0 20 40 60 80 120 °C 100 0 10 -1 150 C EB C CB 5 10 0 V TS VCB0 Permissible Pulse Load Transition frequency fT = f (IC) Ptotmax / PtotDC = f (tp) VCE = 5V 10 3 10 1 (VEB0 ) EHP00363 10 3 Ptotmax / PtotDC MHz fT D=0 0.005 0.01 0.02 0.05 0.1 0.2 0.5 10 2 10 1 10 0 -6 10 10 -5 10 -4 10 -3 5 10 2 5 10 -2 s 10 10 1 10 -1 0 5 10 0 5 10 1 mA 10 2 ΙC tp 6 Aug-01-2002 BC846T...BC850T Collector cutoff current ICBO = f (TA ) Collector-emitter saturation voltage VCB = 30V IC = f (VCEsat), h FE = 20 EHP00381 10 4 nA EHP00367 10 2 Ι CB0 ΙC mA 10 3 100 C 25 C -50 C 5 10 10 1 max 2 5 5 typ 10 1 5 10 10 0 5 0 5 10 -1 0 50 100 C 10 -1 150 0 0.1 0.2 0.4 0.3 TA DC current gain hFE = f (IC ) Base-emitter saturation voltage VCE = 5V IC = f (VBEsat), hFE = 20 EHP00365 10 3 h FE 5 EHP00364 10 2 100 C Ι C mA 100 C 25 C -50 C 25 C 10 2 -50 C 10 1 5 5 10 1 10 0 5 5 10 0 10 -2 5 V 0.5 VCEsat 10 -1 5 10 0 5 10 1 mA 10 -1 10 2 ΙC 0 0.2 0.4 0.6 0.8 V 1.2 V BEsat 7 Aug-01-2002 BC846T...BC850T h parameter he = f (IC) normalized h parameter he = f (VCE) normalized VCE = 5V IC = 2mA EHP00368 10 2 he EHP00369 2.0 5 he h 11e 5 1.5 VCE = 5 V 10 1 Ι C = 2 mA h 21 e h 12e h 11 e h 12 e 1.0 h 22 e 10 0 h 21e 0.5 5 h 22e 10 -1 0 10 -1 5 10 0 mA 10 1 0 10 20 V ΙC VCE Noise figure F = f (VCE ) Noise figure F = f (f) IC = 0.2mA, RS = 2k, f = 1kHz 20 F BC 846...850 IC = 0.2mA, VCE = 5V, R S = 2k EHP00370 20 BC 846...850 EHP00371 dB dB F 15 15 10 10 5 5 0 10 -1 30 5 10 0 10 1 V 0 10 -2 10 2 VCE 10 -1 10 0 10 1 kHz 10 2 f 8 Aug-01-2002 BC846T...BC850T Noise figure F = f (IC ) Noise figure F = f (IC) VCE = 5V, f = 120Hz VCE = 5V, f = 1kHz 20 BC 846...850 EHP00372 20 BC 846...850 EHP00373 dB dB F F 15 15 RS = 1 MΩ 100 k Ω 10 k Ω RS = 1 MΩ 100 k Ω 10 k Ω 10 10 500 Ω 1 kΩ 5 5 500 Ω 1 kΩ 0 10 -3 10 -2 10 -1 10 0 0 10 -3 mA 10 1 10 -2 10 -1 10 0 mA 10 1 ΙC ΙC Noise figure F = f (IC ) VCE = 5V, f = 10kHz 20 BC 846...850 EHP00374 dB F 15 R S = 1 MΩ 100 kΩ 10 10 k Ω 500 Ω 5 1 kΩ 0 10 -3 10 -2 10 -1 10 0 mA 10 1 ΙC 9 Aug-01-2002