1. BC556/557/558/559/560
BC556/557/558/559/560
Switching and Amplifier
• High Voltage: BC556, VCEO= -65V
• Low Noise: BC559, BC560
• Complement to BC546 ... BC 550
TO-92
1
1. Collector 2. Base 3. Emitter
PNP Epitaxial Silicon Transistor
Absolute Maximum Ratings Ta=25°C unless otherwise noted
Symbol
VCBO
Parameter
Collector-Base Voltage
: BC556
: BC557/560
: BC558/559
VCEO
Value
-80
-50
-30
V
V
V
-65
-45
-30
Collector-Emitter Voltage
: BC556
: BC557/560
: BC558/559
Units
V
V
V
VEBO
Emitter-Base Voltage
-5
V
IC
Collector Current (DC)
-100
mA
PC
Collector Power Dissipation
500
mW
TJ
Junction Temperature
150
°C
TSTG
Storage Temperature
-65 ~ 150
°C
Electrical Characteristics Ta=25°C unless otherwise noted
Symbol
ICBO
Parameter
Collector Cut-off Current
Test Condition
VCB= -30V, IE=0
Min.
Typ.
Max.
-15
hFE
VCE
(sat)
DC Current Gain
VCE= -5V, IC=2mA
110
Collector-Emitter Saturation Voltage
IC= -10mA, IB= -0.5mA
IC= -100mA, IB= -5mA
-90
-250
-300
-650
VBE (sat)
Collector-Base Saturation Voltage
IC= -10mA, IB= -0.5mA
IC= -100mA, IB= -5mA
-700
-900
VBE (on)
Base-Emitter On Voltage
VCE= -5V, IC= -2mA
VCE= -5V, IC= -10mA
-600
fT
Current Gain Bandwidth Product
VCE= -5V, IC= -10mA, f=10MHz
Cob
Output Capacitance
Noise Figure
VCE= -5V, IC= -200µA
f=1KHz, RG=2KΩ
VCE= -5V, IC= -200µA
RG=2KΩ, f=30~15000MHz
800
-660
: BC556/557/558
: BC559/560
: BC559
: BC560
mV
mV
mV
mV
-750
-800
VCB= -10V, IE=0, f=1MHz
NF
Units
nA
150
mV
mV
MHz
6
2
1
1.2
1.2
pF
10
4
4
2
dB
dB
dB
dB
hFE Classification
Classification
A
B
C
hFE
110 ~ 220
200 ~ 450
420 ~ 800
©2002 Fairchild Semiconductor Corporation
Rev. A2, August 2002

2. BC556/557/558/559/560
Typical Characteristics
1000
-50
IB = -400µA
VCE = -5V
IB = -350µA
-40
IB = -300µA
-35
IB = -250µA
-30
IB = -200µA
-25
-20
IB = -150µA
-15
IB = -100µA
-10
hFE, DC CURRENT GAIN
IC[mA], COLLECTOR CURRENT
-45
100
10
IB = -50µA
-5
1
-0.1
-0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
-100
Figure 2. DC current Gain
-100
-10
VCE = -5V
IC = -10 IB
IC[mA], COLLECTOR CURRENT
VBE(sat), VCE(sat)[V], SATURATION VOLTAGE
Figure 1. Static Characteristic
V BE(sat)
-0.1
VCE(sat)
-10
-1
-0.1
-0.01
-0.1
-1
-10
-100
-0.2
10
1
-1
-10
-100
VCB[V], COLLECTOR-BASE VOLTAGE
Figure 5. Collector Output Capacitance
©2002 Fairchild Semiconductor Corporation
-0.6
-0.8
-1.0
-1.2
Figure 4. Base-Emitter On Voltage
fT[MHz], CURRENT GAIN-BANDWIDTH PRODUCT
Figure 3. Base-Emitter Saturation Voltage
Collector-Emitter Saturation Voltage
f=1MHz
IE = 0
-0.4
VBE[V], BASE-EMITTER VOLTAGE
IC[mA], COLLECTOR CURRENT
Cob(pF), CAPACITANCE
-10
IC[mA], COLLECTOR CURRENT
VCE[V], COLLECTOR-EMITTER VOLTAGE
-1
-1
1000
VCE = -5V
100
10
-1
-10
IC[mA], COLLECTOR CURRENT
Figure 6. Current Gain Bandwidth Product
Rev. A2, August 2002

3. BC556/557/558/559/560
Package Dimensions
TO-92
+0.25
4.58 ±0.20
4.58 –0.15
±0.10
14.47 ±0.40
0.46
1.27TYP
[1.27 ±0.20]
1.27TYP
[1.27 ±0.20]
±0.20
(0.25)
+0.10
0.38 –0.05
1.02 ±0.10
3.86MAX
3.60
+0.10
0.38 –0.05
(R2.29)
Dimensions in Millimeters
©2002 Fairchild Semiconductor Corporation
Rev. A2, August 2002

4. TRADEMARKS
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intended to be an exhaustive list of all such trademarks.
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Across the board. Around the world.™
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ISOPLANAR™
LittleFET™
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MSX™
MSXPro™
OCX™
OCXPro™
OPTOLOGIC®
OPTOPLANAR™
PACMAN™
POP™
Power247™
PowerTrench®
QFET™
QS™
QT Optoelectronics™
Quiet Series™
RapidConfigure™
RapidConnect™
SILENT SWITCHER®
SMART START™
SPM™
Stealth™
SuperSOT™-3
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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.
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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:
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.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Definition
Advance Information
Formative or In
Design
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
Preliminary
First Production
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.
No Identification Needed
Full Production
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
Obsolete
Not In Production
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
©2002 Fairchild Semiconductor Corporation
Rev. I1