BC546/547/548/549/550
BC546/547/548/549/550
Switching and Applications
• High Voltage: BC546, V
CEO
=65V
• Low Noise: BC549, BC550
• Complement to BC556 ... BC560
1
TO-92
1. Collector 2. Base 3. Emitter
NPN Epitaxial Silicon Transistor
Absolute Maximum Ratings
T
a
=25°C unless otherwise noted
Symbol
V
CBO
Collector-Base Voltage
Parameter
: BC546
: BC547/550
: BC548/549
Value
80
50
30
65
45
30
6
5
100
500
150
-65 ~ 150
Units
V
V
V
V
V
V
V
V
mA
mW
°C
°C
V
CEO
Collector-Emitter Voltage : BC546
: BC547/550
: BC548/549
Emitter-Base Voltage
Collector Current (DC)
Collector Power Dissipation
Junction Temperature
Storage Temperature
: BC546/547
: BC548/549/550
V
EBO
I
C
P
C
T
J
T
STG
Electrical Characteristics
T
a
=25°C unless otherwise noted
Symbol
I
CBO
h
FE
V
CE
(sat)
V
BE
(sat)
V
BE
(on)
f
T
C
ob
C
ib
NF
Parameter
Collector Cut-off Current
DC Current Gain
Collector-Emitter Saturation Voltage
Base-Emitter Saturation Voltage
Base-Emitter On Voltage
Current Gain Bandwidth Product
Output Capacitance
Input Capacitance
Noise Figure
: BC546/547/548
: BC549/550
: BC549
: BC550
Test Condition
V
CB
=30V, I
E
=0
V
CE
=5V, I
C
=2mA
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
V
CE
=5V, I
C
=2mA
V
CE
=5V, I
C
=10mA
V
CE
=5V, I
C
=10mA, f=100MHz
V
CB
=10V, I
E
=0, f=1MHz
V
EB
=0.5V, I
C
=0, f=1MHz
V
CE
=5V, I
C
=200µA
f=1KHz, R
G
=2KΩ
V
CE
=5V, I
C
=200µA
R
G
=2KΩ, f=30~15000MHz
580
Min.
110
90
200
700
900
660
300
3.5
9
2
1.2
1.4
1.4
10
4
4
3
6
700
720
Typ.
Max.
15
800
250
600
mV
mV
mV
mV
mV
mV
MHz
pF
pF
dB
dB
dB
dB
Units
nA
h
FE
Classification
Classification
h
FE
©2001 Fairchild Semiconductor Corporation
A
110 ~ 220
B
200 ~ 450
C
420 ~ 800
Rev. A1, June 2001
BC546/547/548/549/550
Typical Characteristics
100
100
80
I
B
= 350
µ
A
I
B
= 300
µ
A
I
B
= 250
µ
A
I
B
= 200
µ
A
I
C
[mA], COLLECTOR CURRENT
I
C
[mA], COLLECTOR CURRENT
I
B
= 400
µ
A
V
CE
= 5V
10
60
40
I
B
= 150
µ
A
I
B
= 100
µ
A
1
20
I
B
= 50
µ
A
0
0
2
4
6
8
10
12
14
16
18
20
0.1
0.0
0.2
0.4
0.6
0.8
1.0
1.2
V
CE
[V], COLLECTOR-EMITTER VOLTAGE
V
BE
[V], BASE-EMITTER VOLTAGE
Figure 1. Static Characteristic
Figure 2. Transfer Characteristic
V
BE
(sat), V
CE
(sat)[mV], SATURATION VOLTAGE
10000
V
CE
= 5V
1000
I
C
= 10 I
B
h
FE
, DC CURRENT GAIN
1000
V
BE
(sat)
100
100
10
V
CE
(sat)
1
1
10
100
1000
10
1
10
100
1000
I
C
[mA], COLLECTOR CURRENT
I
C
[A], COLLECTOR CURRENT
Figure 3. DC current Gain
Figure 4. Base-Emitter Saturation Voltage
Collector-Emitter Saturation Voltage
100
1000
f
T
, CURRENT GAIN-BANDWIDTH PRODUCT
C
ob
[pF], CAPACITANCE
f=1MHz
I
E
= 0
10
V
CE
= 5V
100
1
10
0.1
1
10
100
1000
1
0.1
1
10
100
V
CB
[V], COLLECTOR-BASE VOLTAGE
I
C
[mA], COLLECTOR CURRENT
Figure 5. Output Capacitance
Figure 6. Current Gain Bandwidth Product
©2001 Fairchild Semiconductor Corporation
Rev. A1, June 2001
TRADEMARKS
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.
STAR*POWER™
FAST
®
OPTOPLANAR™
ACEx™
Bottomless™
CoolFET™
CROSSVOLT™
DenseTrench™
DOME™
EcoSPARK™
E
2
CMOS™
EnSigna™
FACT™
FACT Quiet Series™
FASTr™
FRFET™
GlobalOptoisolator™
GTO™
HiSeC™
ISOPLANAR™
LittleFET™
MicroFET™
MICROWIRE™
OPTOLOGIC™
PACMAN™
POP™
Power247™
PowerTrench
®
QFET™
QS™
QT Optoelectronics™
Quiet Series™
SLIENT SWITCHER
®
SMART START™
Stealth™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
SyncFET™
TruTranslation™
TinyLogic™
UHC™
UltraFET
®
VCX™
STAR*POWER is used under license
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN;
NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
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:
2. A critical component is any component of a life support
1. Life support devices or systems are devices or systems
device or system whose failure to perform can be
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, or (c) whose failure to perform
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
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.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Advance Information
Product Status
Formative or In
Design
First Production
Definition
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
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.
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Preliminary
No Identification Needed
Full Production
Obsolete
Not In Production
©2001 Fairchild Semiconductor Corporation
Rev. H3