Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
NPN SILICON PLANAR EPITAXIAL TRANSISTORS
BC546, A, B, C
BC547, A. B, C
BC548, A. B, C
TO-92
Plastic Package
C
BE
For Lead Free Parts, Device
Part # will be Prefixed with
"T"
Amplifier Transistors
ABSOLUTE MAXIMUM RATINGS (T
a
=25ºC)
DESCRIPTION
Collector Emitter Voltage
Collector Emitter Voltage
Collector Base Voltage
Emitter Base Voltage
Collector Current Continuous
Collector Current Peak
Base Current Peak
Emitter Current Peak
Power Dissipation at T
a
=25ºC
Derate Above 25ºC
Storage Temperature
Junction Temperature
THERMAL RESISTANCE
Junction to Ambient in free air
T
stg
T
j
R
th (j-a)
SYMBOL
V
CEO
V
CES
V
CBO
V
EBO
I
C
I
CM
I
BM
I
EM
P
D
BC546
65
80
80
6
BC547
45
50
50
6
100
200
200
200
500
4.0
- 65 to +150
150
BC548
30
30
30
5
UNITS
V
V
V
V
mA
mA
mA
mA
mW
mW/ºC
ºC
ºC
250
ºC/W
ELECTRICAL CHARACTERISTICS (T
a
=25ºC unless specified otherwise)
DESCRIPTION
Collector Emitter Voltage
Collector Base Voltage
Emitter Base Voltage
Collector Cut Off Current
Collector Cut Off Current
SYMBOL
V
CEO
V
CBO
V
EBO
I
CBO
I
CES
TEST CONDITION
I
C
=1mA, I
B
=0
I
C
=10µA, I
E
=0
I
E
=10µA, I
C
=0
V
CB
=30V, I
E
=0
ALL
V
CB
=30V, I
E
=0, Tj=150ºC
ALL
V
CE
=80V, V
BE
=0
V
CE
=50V, V
BE
=0
V
CE
=30V, V
BE
=0
V
CE
=80V, V
BE
=0, T
j
=125ºC
V
CE
=50V, V
BE
=0, T
j
=125ºC
V
CE
=30V, V
BE
=0, T
j
=125ºC
BC546_548Rev_4 290606D
BC546
>65
>80
>6.0
BC547
>45
>50
>6.0
<50
<5.0
BC548
>30
>30
>5.0
UNITS
V
V
V
nA
µA
nA
<15
<15
<15
<4.0
<4.0
<4.0
nA
nA
µA
µA
µA
Continental Device India Limited
Data Sheet
Page 1 of 5
NPN SILICON PLANAR EPITAXIAL TRANSISTORS
BC546, A, B, C
BC547, A. B, C
BC548, A. B, C
TO-92
Plastic Package
C
BE
For Lead Free Parts, Device
Part # will be Prefixed with
"T"
ELECTRICAL CHARACTERISTICS (T
a
=25ºC unless specified otherwise)
DESCRIPTION
DC Current Gain
SYMBOL
h
FE
TEST CONDITION
I
C
=10µA, V
CE
=5V
A
B
C
I
C
=2mA, V
CE
=5V
BC546
BC547/548
A
B
C
I
C
=100mA, V
CE
=5V
A
B
C
I
C
=10mA, I
B
=0.5mA
I
C
=100mA, I
B
=5mA
I
C
=10mA, I
B
=0.5mA
I
C
=100mA, I
B
=5mA
I
C
=2mA, V
CE
=5V
I
C
=10mA, V
CE
=5V
110
110
110
200
420
120
200
400
0.25
0.60
0.7
0.9
0.55
0.70
0.77
V
V
V
V
V
V
450
800
220
450
800
MIN
TYP
90
150
270
MAX
UNITS
Collector Emitter Saturation Voltage
Base Emitter Saturation Voltage
Base Emitter On Voltage
V
CE (sat)
V
BE (sat)
V
BE (on)
SMALL SIGNAL CHARACTERISTICS
DESCRIPTION
SYMBOL
TEST CONDITION
f
T
I
C
=10mA, V
CE
=5V, f=100MHz
Transistors Frequency
C
cbo
V
CB
=10V, f=1MHz
Collector Output Capacitance
C
ib
V
EB
=0.5V, f=1MHz
Emitter Input Capacitance
I
C
=0.2mA, V
CE
=5V, R
S
=1 kΩ,
Noise Figure
NF
f=1KHz, B=200Hz
h
fe
I
C
=2mA, V
CE
=5V, f=1KHz
Small Signal Current Gain
A
B
C
h
ie
I
C
=2mA, V
CE
=5V, f=1KHz
Input Impedance
A
B
C
h
re
I
C
=2mA, V
CE
=5V, f=1KHz
Voltage Feedback Ratio
A
B
C
h
oe
I
C
=2mA, V
CE
=5V, f=1KHz
Out Put Admittance
A
B
C
BC546_548Rev_4 290606D
MIN
TYP
300
9.0
MAX
4.5
UNITS
MHz
pF
pF
dB
10
220
330
600
1.6
3.2
6.0
1.5
2.0
3.0
30
60
110
4.5
8.5
15
kΩ
kΩ
kΩ
x10
-4
x10
-4
x10
-4
umhos
umhos
umhos
Continental Device India Limited
Data Sheet
Page 2 of 5
NPN SILICON PLANAR EPITAXIAL TRANSISTORS
BC546, A, B, C
BC547, A. B, C
BC548, A. B, C
TO-92
Plastic Package
For Lead Free Parts, Device Part #
will be Prefixed with "T"
TO-92 Leaded Plastic Package
Pin 1: Cathode
Pin 3: Anode
DIM
Min
A
4.32
B
4.45
C
3.18
D
0.40
E
0.30
F
All Dimensions are in mm
Max
5.33
5.20
4.19
0.55
0.55
5º
DIM
G
H
K
L
M
Min
1.14
1.20
12.5
1.982
1.03
Max
1.40
1.80
2.082
1.53
Pin 1
Pin 2
Pin 3
Emitter
Base
Collector
BC546_548Rev_4 290606D
Continental Device India Limited
Data Sheet
2N5551
Page 3 of 5
TO-92
Plastic Package
NPN SILICON PLANAR EPITAXIAL TRANSISTORS
BC546, A, B, C
BC547, A. B, C
BC548, A. B, C
TO-92
Plastic Package
For Lead Free Parts, Device Part #
will be Prefixed with "T"
TO-92 Tape and Ammo Packaging
All Dimensions are in mm
Tape Specifications
All Dimensions are in mm
BC546_548Rev_4 290606D
Continental Device India Limited
Data Sheet
Page 4 of 5
NPN SILICON PLANAR EPITAXIAL TRANSISTORS
BC546, A, B, C
BC547, A. B, C
BC548, A. B, C
TO-92
Plastic Package
For Lead Free Parts, Device Part #
will be Prefixed with "T"
Packaging Information
T & A: Tape and Ammo Pack; T & R: Tape and Red; Bulk: Loose in Poly bags; Tube: Tube and Ammo Pack; k: 1.000
Package/Case
Type
TO-92
Std. Packing
Packaging Type
Bulk
T&A
Qty
1,000
2,000
Qty
5K
2K
Inner Carton
Size L x W x H Gross Weight
Qty
(cm)
(Kg)
19x19x8
1.10
80K
32x4.5x20
0.70
40K
Outer Carton
Size L x W x H Gross Weight
(cm)
(Kg)
43x40x35
20.0
43x40x35
15.20
Component Disposal Instructions
1. CDIL Semiconductor Devices are RoHS compliant, customers are requested to please dispose
as per prevailing Environmental Legislation of their Country.
2. In Europe, please dispose as per EU Directive 2002/96/EC on Waste Electrical and Electronic Equipment (WEEE).
Customer Notes
Disclaimer
The product information and the selection guides facilitate selection of the CDIL's Semiconductor Device(s) best suited for application in
your product(s) as per your requirement. It is recommended that you completely review our Data Sheet(s) so as to confirm that the
Device(s) meet functionality parameters for your application. The information furnished in the Data Sheet and on the CDIL Web Site/CD
are believed to be accurate and reliable. CDIL however, does not assume responsibility for inaccuracies or incomplete information.
Furthermore, CDIL does not assume liability whatsoever, arising out of the application or use of any CDIL product; neither does it convey
any license under its patent rights nor rights of others. These products are not designed for use in life saving/support appliances or
systems. CDIL customers selling these products (either as individual Semiconductor Devices or incorporated in their end products), in any
life saving/support appliances or systems or applications do so at their own risk and CDIL will not be responsible for any damages
resulting from such sale(s).CDIL strives for continuous improvement and reserves the right to change the specifications of its products
without prior notice.
BC546_548Rev_4 290606D
CDIL is a registered Trademark of
Continental Device India Limited
C-120 Naraina Industrial Area, New Delhi 110 028, India.
Telephone + 91-11-2579 6150, 4141 1112 Fax + 91-11-2579 5290, 4141 1119
email@cdil.com
www.cdilsemi.com
Continental Device India Limited
Data Sheet
Page 5 of 5
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