MCC
TM
Micro Commercial Components
omponents
20736 Marilla
Street Chatsworth
!"#
$
% !"#
BC546B
BC547A/B/C
BC548A/B/C
NPN Silicon
Amplifier Transistor
625mW
A
Features
Through Hole Package
150
o
C Junction Temperature
Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
and MSL rating 1
Marking:Type Number
Lead Free Finish/Rohs Compliant) ("P"Suffix designates
Compliant. See ordering information)
•
Mechanical Data
Case: TO-92, Molded Plastic
Polarity: indicated as
below.
TO-92
E
B
Maximum Ratings @ 25
o
C Unless Otherwise Specified
Charateristic
Collector-Emitter Voltage
Symbol Value
65
V
CEO
45
30
80
V
CBO
50
30
V
EBO
6.0
I
C
P
d
P
d
R
q
JA
Unit
V
C
Collector-Base Voltage
BC546
BC547
BC548
BC546
BC547
BC548
V
V
mA
mW
mW/
o
C
W
mW/
o
C
o
D
Emitter-Base Voltage
Collector Current(DC)
Power Dissipation@T
A
=25
o
C
Power Dissipation@T
C
=25 C
Thermal Resistance, Junction to
Ambient Air
Thermal Resistance, Junction to
Case
Operating & Storage Temperature
o
100
625
5.0
1.5
12
200
83.3
1
2
G
3
1-Collector
2-Base
3-Emitter
DIMENSIONS
INCHES
MIN
.170
.170
.550
.010
.130
.096
MM
MIN
4.33
4.30
13.97
0.36
3.30
2.44
C/W
C/W
o
R
q
JC
o
T
j
, T
STG
-55~150
C
DIM
A
B
C
D
E
G
MAX
.190
.190
.590
.020
.160
.104
MAX
4.83
4.83
14.97
0.56
3.96
2.64
NOTE
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Revision: 8
1 of 5
2010/08/18
BC546
thru
BC548C
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted)
Characteristic
Symbol
Min
MCC
TM
Micro Commercial Components
Typ
Max
Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage
(I
C
= 1.0 mA, I
B
= 0)
Collector–Base Breakdown Voltage
(I
C
= 100
µAdc)
Emitter–Base Breakdown Voltage
(I
E
= 10
mA,
I
C
= 0)
BC546
BC547
BC548
BC546
BC547
BC548
BC546
BC547
BC548
V
(BR)CEO
65
45
30
80
50
30
6.0
6.0
6.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
V
V
(BR)CBO
V
V
(BR)EBO
V
ON CHARACTERISTICS
DC Current Gain
(I
C
= 10
µA,
V
CE
= 5.0 V)
h
FE
BC547A/548A
BC546B/547B/548B
BC548C
BC547A/548A
BC546B/547B/548B
BC547C/BC548C
—
—
—
110
200
420
90
150
270
180
290
520
—
—
—
220
450
800
—
(I
C
= 2.0 mA, V
CE
= 5.0 V)
(I
C
= 100 mA, V
CE
= 5.0 V)
BC547A/548A
BC546B/547B/548B
BC548C
V
CE(sat)
—
—
—
—
V
BE(sat)
V
BE(on)
0.55
—
—
120
180
300
---
—
—
—
—
V
0.3
1.0
V
V
Collector–Emitter Saturation Voltage
(I
C
= 100 mA, I
B
= 5.0 mA)
Base–Emitter Saturation Voltage
(I
C
= 100 mA, I
B
= 5.0 mA)
Base–Emitter On Voltage
(I
C
= 2.0 mA, V
CE
= 5.0 V)
(I
C
= 10 mA, V
CE
= 5.0 V)
—
—
0.7
0.77
SMALL–SIGNAL CHARACTERISTICS
Current–Gain — Bandwidth Product
(I
C
= 10 mA, V
CE
= 5.0 V, f = 100 MHz)
f
T
BC546
BC547
BC548
C
obo
C
ibo
h
fe
150
150
150
—
—
300
300
300
1.7
10
—
—
—
4.5
—
pF
pF
—
MHz
Output Capacitance
(V
CB
= 10 V, I
C
= 0, f = 1.0 MHz)
Input Capacitance
(V
EB
= 0.5 V, I
C
= 0, f = 1.0 MHz)
Small–Signal Current Gain
(I
C
= 2.0 mA, V
CE
= 5.0 V, f = 1.0 kHz)
BC547A/548A
BC546B/547B/548B
BC547C/548C
Noise Figure
(I
C
= 0.2 mA, V
CE
= 5.0 V, R
S
= 2 kW,
f = 1.0 kHz,
∆f
= 200 Hz)
125
240
450
NF
—
—
—
220
330
600
2.0
2.0
2.0
260
500
900
dB
10
10
10
BC546
BC547
BC548
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2 of 5
Revision: 8
2010/08/18
BC546
thru
BC548C
2.0
hFE , NORMALIZED DC CURRENT GAIN
1.5
1.0
0.8
0.6
0.4
0.3
0.2
V
CE
= 10 V
T
A
= 25°C
V, VOLTAGE (VOLTS)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.2
0.5
50
2.0
5.0 10
1.0
20
I
C
, COLLECTOR CURRENT (mAdc)
100
200
0
0.1
T
A
= 25°C
V
BE(sat)
@ I
C
/I
B
= 10
MCC
Micro Commercial Components
V
BE(on)
@ V
CE
= 10 V
TM
V
CE(sat)
@ I
C
/I
B
= 10
0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30
I
C
, COLLECTOR CURRENT (mAdc)
50 70 100
Figure 1. Normalized DC Current Gain
2.0
T
A
= 25°C
1.6
I
C
= 200 mA
1.2
0.8
0.4
0
I
C
=
I
C
=
10 mA 20 mA
I
C
= 50 mA
I
C
= 100 mA
1.0
Figure 2. “Saturation” and “On” Voltages
VCE , COLLECTOR-EMITTER VOLTAGE (V)
θ
VB, TEMPERATURE COEFFICIENT (mV/
°
C)
-55°C to +125°C
1.2
1.6
2.0
2.4
2.8
0.02
0.1
1.0
I
B
, BASE CURRENT (mA)
10
20
0.2
10
1.0
I
C
, COLLECTOR CURRENT (mA)
100
Figure 3. Collector Saturation Region
Figure 4. Base–Emitter Temperature Coefficient
BC547/BC548
f T, CURRENT-GAIN - BANDWIDTH PRODUCT (MHz)
10
7.0
C, CAPACITANCE (pF)
5.0
3.0
C
ob
2.0
C
ib
T
A
= 25°C
400
300
200
V
CE
= 10 V
T
A
= 25°C
100
80
60
40
30
20
0.5 0.7
1.0
1.0
0.4 0.6 0.8 1.0
2.0
4.0 6.0 8.0 10
V
R
, REVERSE VOLTAGE (VOLTS)
20
40
2.0 3.0
5.0 7.0 10
20
I
C
, COLLECTOR CURRENT (mAdc)
30
50
Figure 5. Capacitances
Figure 6. Current–Gain – Bandwidth Product
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3 of 5
Revision: 8
2010/08/18
BC546 thru BC548C
BC547/BC548
1.0
hFE , DC CURRENT GAIN (NORMALIZED)
V
CE
= 5 V
T
A
= 25°C
2.0
1.0
0.5
0.2
0.1 0.2
10
100
1.0
I
C
, COLLECTOR CURRENT (mA)
V, VOLTAGE (VOLTS)
T
A
= 25°C
0.8
V
BE(sat)
@ I
C
/I
B
= 10
0.6
0.4
0.2
V
CE(sat)
@ I
C
/I
B
= 10
0
0.2
0.5
1.0
V
BE
@ V
CE
= 5.0 V
MCC
Micro Commercial Components
TM
10 20
2.0
5.0
I
C
, COLLECTOR CURRENT (mA)
50
100
200
Figure 7. DC Current Gain
2.0
T
A
= 25°C
1.6
20 mA
1.2
0.8
0.4
0
I
C
=
10 mA
50 mA
100 mA
200 mA
-1.0
-1.4
-1.8
Figure 8. “On” Voltage
VCE , COLLECTOR-EMITTER VOLTAGE (VOLTS)
θ
VB, TEMPERATURE COEFFICIENT (mV/
°
C)
θ
VB
for V
BE
-2.2
-2.6
-3.0
-55°C to 125°C
0.02
0.05
0.1
0.2
0.5
1.0 2.0
I
B
, BASE CURRENT (mA)
5.0
10
20
0.2
0.5
10 20
1.0 2.0
5.0
I
C
, COLLECTOR CURRENT (mA)
50
100
200
Figure 9. Collector Saturation Region
Figure 10. Base–Emitter Temperature Coefficient
BC546
T
A
= 25°C
C, CAPACITANCE (pF)
20
C
ib
f T, CURRENT-GAIN - BANDWIDTH PRODUCT
40
V
CE
= 5 V
T
A
= 25°C
500
200
100
50
20
10
6.0
4.0
C
ob
2.0
0.1
0.2
0.5
1.0 2.0
10 20
5.0
V
R
, REVERSE VOLTAGE (VOLTS)
50
100
1.0
5.0 10
50 100
I
C
, COLLECTOR CURRENT (mA)
Figure 11. Capacitance
Figure 12. Current–Gain – Bandwidth Product
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Revision: 8
4 of 5
2010/08/18
MCC
Micro Commercial Components
TM
Ordering Information
Device
(Part Number)-AP
(Part Number)-BP
Packing
Ammo Packing;2Kpcs/AmmoBox
Bulk;1Kpcs/Bag
***IMPORTANT NOTICE***
Micro Commercial Components Corp
.
reserves the right to make changes without further notice to any
product herein to make corrections, modifications , enhancements , improvements , or other changes .
Micro Commercial Components Corp
.
does not assume any liability arising out of the application or
use of any product described herein; neither does it convey any license under its patent rights ,nor
the rights of others . The user of products in such applications shall assume all risks of such use
and will agree to hold
Micro Commercial Components Corp
.
and all the companies whose
products are represented on our website, harmless against all damages.
***LIFE
SUPPORT***
MCC's
products are not authorized for use as critical components in life support devices
or systems
without the expresse
written
approval of
Micro Commercial Components Corporation.
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Revision: 8
5 of 5
2010/08/18
