BC546B, BC547A, B, C, BC548B, C
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
Min
OFF CHARACTERISTICS
Collector − Emitter Breakdown Voltage
(IC = 1.0 mA, IB = 0)
BC546
BC547
BC548
V(BR)CEO
65
45
30
Collector − Base Breakdown Voltage
(IC = 100 mAdc)
BC546
BC547
BC548
V(BR)CBO
80
50
30
Emitter − Base Breakdown Voltage
(IE = 10 mA, IC = 0)
BC546
BC547
BC548
V(BR)EBO
6.0
6.0
6.0
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
ICES
−
BC547
−
BC548
−
BC546/547/548
−
DC Current Gain
(IC = 10 mA, VCE = 5.0 V)
BC547A
hFE
−
BC546B/547B/548B
−
BC548C
−
(IC = 2.0 mA, VCE = 5.0 V)
BC546
110
BC547
110
BC548
110
BC547A
110
BC546B/547B/548B
200
BC547C/BC548C
420
(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
VCE(sat)
VBE(sat)
VBE(on)
−
−
−
−
0.55
−
Current − Gain − Bandwidth Product
(IC = 10 mA, VCE = 5.0 V, f = 100 MHz)
BC546
BC547
BC548
fT
150
150
150
Output Capacitance
(VCB = 10 V, IC = 0, f = 1.0 MHz)
Cobo
−
Input Capacitance
(VEB = 0.5 V, IC = 0, f = 1.0 MHz)
Cibo
−
Small − Signal Current Gain
(IC = 2.0 mA, VCE = 5.0 V, f = 1.0 kHz)
BC546
BC547/548
hfe
125
125
BC547A
125
BC546B/547B/548B
240
BC547C/548C
450
Noise Figure
(IC = 0.2 mA, VCE = 5.0 V, RS = 2 kW,
f = 1.0 kHz, Df = 200 Hz)
BC546
BC547
BC548
NF
−
−
−
1. IB is value for which IC = 11 mA at VCE = 1.0 V.
http://onsemi.com
2
Typ
−
−
−
−
−
−
−
−
−
0.2
0.2
0.2
−
90
150
270
−
−
−
180
290
520
120
180
300
0.09
0.2
0.3
0.7
−
−
300
300
300
1.7
10
−
−
220
330
600
2.0
2.0
2.0
Max
−
−
−
−
−
−
−
−
−
15
15
15
4.0
−
−
−
450
800
800
220
450
800
−
−
−
0.25
0.6
0.6
−
0.7
0.77
−
−
−
4.5
−
500
900
260
500
900
10
10
10
Unit
V
V
V
nA
mA
−
V
V
V
MHz
pF
pF
−
dB