BC546 BC547 BC548
NPN Silicon Planar Epitaxial Transistors
1
2
3
TO-92 SMD Package
Absolute Maximum Ratings (Ta = 25 oC unless specified otherwise) DESCRIPTION Collector Base Voltage Collector Emmitter Voltage (VBE = 0V) Collector Emitter Voltage Emitter Base Voltage Collector Current (DC) Collector Current - Peak Emitter Current - Peak Base Current - Peak Total power dissipation up to Tamb = 25 oC Storge Temperature Junction Temperature Thermal Resistance From junction to ambient SYMBOL VCBO VCES VCEO VEBO IC ICM IEM IBM Ptot Tstg Tj Rth(j-a) BC546 80 80 65 6 BC547 50 50 45 6 100 200 200 200 500 -55 to +150 150 250
o
BC548 30 30 30 5
UNITS V V V V mA mA mA mW
o o
C C
C/W
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BC546 BC547 BC548
Electrical Characteristics (Ta=25 oC unless otherwise specified) DESCRIPTION Collector Emitter Voltage
BC546/BC546A/BC546B/BC546C BC547/BC547A/BC547B/BC547C BC548/BC548A/BC548B/BC548C
SYMBOL TEST CONDITION IC = 1mA, IB = 0 VCEO
MIN
65 45 30 80 50 30
TYP
MAX
UNITS V
Collector Base Voltage
BC546/BC546A/BC546B/BC546C BC547/BC547A/BC547B/BC547C BC548/BC548A/BC548B/BC548C
VCBO
IC = 100uA, IE = 0
V
Emitter Base Voltage
BC546/BC546A/BC546B/BC546C BC547/BC547A/BC547B/BC547C BC548/BC548A/BC548B/BC548C
VEBO
IE = 10uA, IC = 0 6 6 5 VCB = 30V, IE = 0 VCB = 30V, IE = 0, Tj = 150oC VCE = 80V VCE = 50V VCE = 30V VCE = 80V, Tj = 125oC VCE = 50V, Tj = 125oC VCE = 30V, Tj = 125oC IC = 2mA, VCE = 5V IC = 10mA, VCE = 5V IC = 10mA, IB = 0.5mA IC = 10mA, IB = 5mA IC = 100mA, IB = see note (1) IC = 10mA, IB = 0.5mA IC = 100mA, IB = 5mA VCE = 5V, IC = 10uA
BC546A/BC547A/BC548A BC546B/BC547B/BC548B BC546C/BC547C/BC548C 0.2 0.2 0.2
V
15 5 15 15 15 4 4 4 0.7 0.77 0.25 0.60 0.60
Collector Cut off Current Collector Cut off Current
BC546/BC546A/BC546B/BC546C BC547/BC547A/BC547B/BC547C BC548/BC548A/BC548B/BC548C BC546/BC546A/BC546B/BC546C BC547/BC547A/BC547B/BC547C BC548/BC548A/BC548B/BC548C
ICBO ICES
nA uA nA nA nA uA uA uA V V V
Base Emitter On Voltage Collector Emitter Saturation Voltage Base Emitter Saturation Voltage DC Current Gain
VBE(on) VCE(Sat) VBE(Sat) hFE
0.55
0.66 0.09 0.2 0.3
0.7 0.9 90 150 270 110 110 110 200 420 450 800 220 450 800
VCE = 5V, IC = 2mA
BC546 BC547/BC548 BC546A/BC547A/BC548A BC546B/BC547B/BC548B BC546C/BC547C/BC548C
180 290 520 120 200 400
VCE = 5V, IC = 100mA
BC546A/BC547A/BC548A BC546B/BC547B/BC548B BC546C/BC547C/BC548C
Note (1): IB is value for which IC = 11mA @ VCE = 10V.
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BC546 BC547 BC548
Electrical Characteristics (Ta=25 oC unless otherwise specified) DESCRIPTION DYNAMIC CHARACTERISTICS Transition Frequency Collector output Capacitance Emitter input Capacitance Noise Figure Small Signal Current Gain SYMBOL TEST CONDITION fT Ccbo Cib NF hfe
IC = 10mA, VCE = 5V, f = 100MHZ VCB = 10V, f = 1MHZ VEB = 0.5V, f = 1MHZ
MIN
TYP 300 1.7 9 2
MAX
UNITS MHZ pF pF dB
4.5 10
VCE = 5V, IC = 0.2mA
RS= 2k ohm, f = 1KHZ, B= 200HZ
VCE = 5V, IC = 2mA, f= 1kHZ
BC546A/BC547A/BC548A BC546B/BC547B/BC548B BC546C/BC547C/BC548C 220 330 600
Input Impedance
hie
VCE = 5V, IC = 2mA, f= 1kHZ
BC546A/BC547A/BC548A BC546B/BC547B/BC548B BC546C/BC547C/BC548C
1.6 3.2 6
2.7 4.5 8.7 1.5 2 3
4.5 8.5 15
k ohm
Voltage Feedback
hre
VCE = 5V, IC = 2mA, f= 1kHZ
BC546A/BC547A/BC548A BC546B/BC547B/BC548B BC546C/BC547C/BC548C
x10
DYNAMIC CHARACTERISTICS Output Admittance
hoe
VCE = 5V, IC = 2mA, f= 1kHZ
BC546A/BC547A/BC548A BC546B/BC547B/BC548B BC546C/BC547C/BC548C 18 30 60
30 60 110
u MHO
Note (1): IB is value for which IC = 11mA @ VCE = 10V.
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