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BC846/847/848/849/850
BC846/847/848/849/850
Switching and Amplifier Applications
3
• Suitable for automatic insertion in thick and thin-film circuits
• Low Noise: BC849, BC850
• Complement to BC856 ... BC860
1. Base 2. Emitter 3. Collector
NPN Epitaxial Silicon Transistor
Absolute Maximum Ratings
Symbol Parameter Value Units
V
V
V
I
P
T
T
CBO
CEO
EBO
C
C
J
STG
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current (DC) 100 mA
Collector Power Dissipation 310 mW
Junction Temperature 150 °C
Storage Temperature -65 ~ 150 °C
Ta=25°C unless otherwise noted
: BC846
: BC847/850
: BC848/849
: BC846
: BC847/850
: BC848/849
: BC846/847
: BC848/849/850
80
50
30
65
45
30
6
5
1
2
SOT-23
V
V
V
V
V
V
V
V
Electrical Characteristics
Ta=25°C unless otherwise noted
Symbol Parameter Test Condition Min. Typ. Max. Units
I
CBO
h
FE
V
CE
V
BE
V
BE
f
T
C
ob
C
ib
NF Noise Figure
©2002 Fairchild Semiconductor Corporation Rev. A2, August 2002
Collector Cut-off Current VCB=30V, IE=0 15 nA
DC Current Gain VCE=5V, IC=2mA 110 800
(sat) Collector-Emitter Saturation Voltage IC=10mA, IB=0.5mA
=100mA, IB=5mA
I
C
(sat) Collector-Base Saturation Voltage IC=10mA, IB=0.5mA
I
=100mA, IB=5mA
C
(on) Base-Emitter On Voltage VCE=5V, IC=2mA
=5V, IC=10mA
V
CE
580 660 700
90
200
700
900
Current Gain Bandwidth Product VCE=5V, IC=10mA, f=100MHz 300 MHz
Output Capacitance VCB=10V, IE=0, f=1MHz 3.5 6 pF
Input Capacitance VEB=0.5V, IC=0, f=1MHz 9 pF
: BC846/847/848
: BC849/850
: BC849
: BC850
VCE=5V, IC=200µA
f=1KHz, R
V
CE
=2KΩ, f=30~15000Hz
R
G
=2KΩ
G
=5V, IC=200µA
2
1.2
1.4
1.4
250
600
720
10
4
4
3
mV
mV
mV
mV
mV
mV
dB
dB
dB
dB
Page 2
h
Classification
FE
Classification A B C
h
FE
110 ~ 220 200 ~ 450 420 ~ 800
Marking Code
Type
Mark 8AA 8AB 8AC 8BA 8BB 8BC 8CA 8CB 8CC 8DA 8DB 8DC 8EA 8EB 8EC
846 847 848 849 850
ABCABCABCABCABC
BC846/847/848/849/850
©2002 Fairchild Semiconductor Corporation Rev. A2, August 2002
Page 3
Typical Characteristics
BC846/847/848/849/850
IB = 400µA
IB = 350µA
IB = 300µA
IB = 250µA
100
80
60
IB = 200µA
40
IB = 150µA
IB = 100µA
[mA], COLLECTOR CURRENT
20
C
I
IB = 50µA
0
048121620
VCE[V], COLLECTOR-EMITTER VOLTAGE
Figure 1. Static Characteristic Figure 2. DC current Gain
10000
1000
100
(sat)[V], SATURATION VOLTAGE
CE
(sat), V
BE
V
10
1 10 100 1000
VBE(sat)
VCE(sat)
IC[mA], COLLECTOR CURRENT
IC = 10 I
10000
VCE = 5V
1000
100
, DC CURRENT GAIN
FE
h
10
1 10 100 1000
IC[mA], COLLECTOR CURRENT
100
B
10
1
[mA], COLLECTOR CURRENT
C
I
0.1
0.0 0.2 0.4 0.6 0.8 1.0 1.2
VCE = 2V
VBE[V], BASE-EMITTER VOLTAGE
Figure 3. Base-Emitter Saturation Voltage
Collector-Emitter Saturation Voltage
100
10
1
[pF], CAPACITANCE
ob
C
0.1
1 10 100 1000
VCB[V], COLLECTOR-BASE VOLTAGE
Figure 5. Collector Output Capacitance Figure 6. Current Gain Bandwidth Product
©2002 Fairchild Semiconductor Corporation
Figure 4. Base-Emitter On Voltage
f=1MHz
1000
VCE=5V
100
10
[MHz], CURRENT GAIN-BANDWIDTH PRODUCT
T
1
f
0.1 1 10 100
IC[mA], COLLECTOR CURRENT
Rev. A2, August 2002
Page 4
Package Dimensions
0.40
±0.03
BC846/847/848/849/850
SOT-23
0.20 MIN
0.45~0.60
0.95
2.90
±0.03
1.90
±0.10
0.95
±0.03
±0.03
±0.10
0.40
±0.03
0.97REF 1.30
0.508REF
±0.10
2.40
0.96~1.14
0.03~0.10
0.38 REF
+0.05
0.12
–0.023
Dimensions in Millimeters
©2002 Fairchild Semiconductor Corporation Rev. A2, August 2002
Page 5
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®
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C™
I
Across the board. Around the world.™
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®
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®
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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
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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
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PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification Product Status Definition
Advance Information Formative or In
Design
Preliminary First Production This datasheet contains preliminary data, and
No Identification Needed Full Production This datasheet contains final specifications. Fairchild
Obsolete Not In Production This datasheet contains specifications on a product
©2002 Fairchild Semiconductor Corporation Rev. I1
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
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.
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
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