Data Sheet

BC546B, BC547A, B, C, BC548B, C
http://onsemi.com
2
ELECTRICAL CHARACTERISTICS (T
A
= 25°C unless otherwise noted)
Characteristic Symbol Min Typ Max Unit
OFF CHARACTERISTICS
Collector − Emitter Breakdown Voltage
(I
C
= 1.0 mA, I
B
= 0) BC546
BC547
BC548
V
(BR)CEO
65
45
30
−
−
−
−
−
−
V
Collector − Base Breakdown Voltage
(I
C
= 100 mAdc) BC546
BC547
BC548
V
(BR)CBO
80
50
30
−
−
−
−
−
−
V
Emitter − Base Breakdown Voltage
(I
E
= 10 mA, I
C
= 0) BC546
BC547
BC548
V
(BR)EBO
6.0
6.0
6.0
−
−
−
−
−
−
V
Collector Cutoff Current
(V
CE
= 70 V, V
BE
= 0) BC546
(V
CE
= 50 V, V
BE
= 0) BC547
(V
CE
= 35 V, V
BE
= 0) BC548
(V
CE
= 30 V, T
A
= 125°C) BC546/547/548
I
CES
−
−
−
−
0.2
0.2
0.2
−
15
15
15
4.0
nA
mA
ON CHARACTERISTICS
DC Current Gain
(I
C
= 10 mA, V
CE
= 5.0 V) BC547A
BC546B/547B/548B
BC548C
(I
C
= 2.0 mA, V
CE
= 5.0 V) BC546
BC547
BC548
BC547A
BC546B/547B/548B
BC547C/BC548C
(I
C
= 100 mA, V
CE
= 5.0 V) BC547A/548A
BC546B/547B/548B
BC548C
h
FE
−
−
−
110
110
110
110
200
420
−
−
−
90
150
270
−
−
−
180
290
520
120
180
300
−
−
−
450
800
800
220
450
800
−
−
−
−
Collector − Emitter Saturation Voltage
(I
C
= 10 mA, I
B
= 0.5 mA)
(I
C
= 100 mA, I
B
= 5.0 mA)
(I
C
= 10 mA, I
B
= See Note 1)
V
CE(sat)
−
−
−
0.09
0.2
0.3
0.25
0.6
0.6
V
Base − Emitter Saturation Voltage
(I
C
= 10 mA, I
B
= 0.5 mA)
V
BE(sat)
− 0.7 − V
Base − Emitter On Voltage
(I
C
= 2.0 mA, V
CE
= 5.0 V)
(I
C
= 10 mA, V
CE
= 5.0 V)
V
BE(on)
0.55
−
−
−
0.7
0.77
V
SMALL−SIGNAL CHARACTERISTICS
Current − Gain − Bandwidth Product
(I
C
= 10 mA, V
CE
= 5.0 V, f = 100 MHz) BC546
BC547
BC548
f
T
150
150
150
300
300
300
−
−
−
MHz
Output Capacitance
(V
CB
= 10 V, I
C
= 0, f = 1.0 MHz)
C
obo
− 1.7 4.5 pF
Input Capacitance
(V
EB
= 0.5 V, I
C
= 0, f = 1.0 MHz)
C
ibo
− 10 − pF
Small − Signal Current Gain
(I
C
= 2.0 mA, V
CE
= 5.0 V, f = 1.0 kHz) BC546
BC547/548
BC547A
BC546B/547B/548B
BC547C/548C
h
fe
125
125
125
240
450
−
−
220
330
600
500
900
260
500
900
−
Noise Figure (I
C
= 0.2 mA, V
CE
= 5.0 V, R
S
= 2 kW, f = 1.0 kHz, Df = 200 Hz)
BC546
BC547
BC548
NF
−
−
−
2.0
2.0
2.0
10
10
10
dB
1. I
B
is value for which I
C
= 11 mA at V
CE
= 1.0 V.