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