NPN EPITAXIAL
BC546/547/548/549/550 SILICON TRANSISTOR
SWITCHING AND AMPLIFIER
• HIGH VOLTAGE: BC546, VCEO=65V
• LOW NOISE: BC549, BC550
• Complement to BC556 ... BC560
ABSOLUTE MAXIMUM RATINGS (TA=25°°C)
ELECTRICAL CHARACTERISTICS (TA=25°°C)
hFE CLASSIFICATION
Characteristic Symbol Rating Unit
Collector Base Voltage
: BC546
: BC547/550
: BC548/549
Collector-Emitter Voltage
: BC546
: BC547/550
: BC548/549/550
Emitter-Base Voltage
: BC546/547
: BC548/549/550
Collector Current (DC)
Collector Dissipation
Junction Temperature
Storage Temperature
VCBO
VCEO
VEBO
IC
PC
TJ
TSTG
80
50
30
65
45
30
6
5
100
500
150
-65 ~ 150
V
V
V
V
V
V
V
V
V
mA
mW
°C
°C
Characteristic Symbol Test Conditions Min Typ Max Unit
Collector Cut-off Current
DC Current Gain
Collector Emitter Saturation Voltage
Collector Base Saturation Voltage
Base Emitter On Voltage
Current Gain Bandwidth Product
Collector Base Capacitance
Emitter Base Capacitance
Noise Figure : BC546/547/548
: BC549/550
: BC549
: BC550
ICBO
hFE
VCE (sat)
VBE (on)
VBE (on)
fT
CCBO
CEBO
NF
NF
VCB=30V, IE=0
VCE=5V, IC=2mA
IC=10mA, IB=0.5mA
IC=100mA, IB=5mA
IC=10mA, IB=0.5mA
IC=100mA, IB=5mA
VCE=5V, IC=2mA
VCE=5V, IC=10mA
VCE=5V, IC=10mA
VCB=10V, f=1MHz
VEB=0.5V, f=1MHz
VCE=5V, IC=200µA
f=1KHz, RG=2KΩ
VCE=5V, IC=200µA
RG=2KΩ,
f=30~15000MHz
110
580
90
200
700
900
660
300
3.5
9
2
1.2
1.4
1.4
15
800
250
600
700
720
6
10
4
4
3
nA
mA
mA
mA
mA
mA
mA
MHz
pF
pF
dB
dB
dB
dB
Classification ABC
hFE 110-220 200-450 420-800
TO-92
1. Collector 2. Base 3. Emitter
1999 Fairchild Semiconductor Corporation
Rev. B
NPN EPITAXIAL
BC546/547/548/549/550 SILICON TRANSISTOR
TRADEMARKS
ACEx™
CoolFET™
CROSSVOLT™
E2CMOSTM
FACT™
FACT Quiet Series™
FAST®
FASTr™
GTO™
HiSeC™
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is
not intended to be an exhaustive list of all such trademarks.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
ISOPLANAR™
MICROWIRE™
POP™
PowerTrench™
QS™
Quiet Series™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
TinyLogic™
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical implant into
the body, or (b) support or sustain life, or (c) whose
failure to perform when properly used in accordance
with instructions for use provided in the labeling, can be
reasonably expected to result in significant injury to the
user.
2. A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
effectiveness.
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Definition of Terms
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Obsolete
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
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changes at any time without notice in order to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
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that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Formative or
In Design
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