ROHM BC848B

BC848BW / BC848B
Transistors
NPN General Purpose Transistor
BC848BW / BC848B
zExternal dimensions (Unit : mm)
zFeatures
1) BVCEO minimum is 30V (IC=1mA)
2) Complements the BC858B / BC858BW.
BC848BW
2.0±0.2
0.9±0.1
1.3±0.1
0.65 0.65
0.2
0.7±0.1
0~0.1
0.1~0.4
(3)
2.1±0.1
(2)
1.25±0.1
(1)
+0.1
0.3 −0
0.15±0.05
All terminals have same dimensions
ROHM : UMT3
EIAJ : SC-70
(1) Emitter
(2) Base
(3) Collector
BC848B, BC848C
2.9±0.2
0.95 +0.2
−0.1
1.9±0.2
0.45±0.1
0.95 0.95
2.4±0.2
(2)
1.3 +0.2
−0.1
(1)
0~0.1
0.2Min.
(3)
+0.1
0.4 −0.05
+0.1
0.15 −0.06
All terminals have same dimensions
ROHM : SST3
(1) Emitter
(2) Base
(3) Collector
zAbsolute maximum ratings (Ta=25°C)
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Collector power BC848BW
dissipation
BC848B
Junction temperature
Storage temperature
Symbol
VCBO
VCEO
VEBO
IC
PC
Tj
Tstg
Limits
30
30
5
0.1
0.2
0.2
0.35
150
−65~+150
Unit
V
V
V
A
W
W
W ∗
°C
°C
∗ When mounted on a 7×5×0.6mm ceramic board.
zElectrical characteristics (Ta=25°C)
Parameter
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Symbol
BVCBO
BVCEO
BVEBO
ICBO
Collector-emitter saturation voltage
VCE(sat)
Base-emitter saturation voltage
DC current transfer ratio
Transition frequency
Collector output capacitance
Collector output capacitance
VBE(on)
hFE
fT
Cob
Cib
Min.
30
30
5
−
−
−
−
0.58
200
−
−
−
Typ. Max. Unit
Conditions
V
IC=50µA
−
−
V
IC=1mA
−
−
V
IE=50µA
−
−
nA VCB=30V
100
−
µA VCB=30V, Ta=150°C
5
−
0.25
IC/IB=10mA/0.5mA
−
V
0.6
IC/IB=100mA/5mA
−
0.77
V
VCE/IC=5V/10mA
−
−
450
VCE/IC=5V/2mA
−
MHz VCE=5V, IE=−20mA, f=100MHz
200
−
pF VCB=10V, IE=0, f=1MHz
3
−
pF VEB=0.5V, IE=0, f=1MHz
8
−
(SPEC-C22)
Rev.A
1/5
BC848BW / BC848B
Transistors
zPackaging specifications
Part No.
Packaging type
Marking
Code
Basic ordering unit (pieces)
BC848BW
UMT3
G1K
T106
3000
BC848B
SST3
G1K
T116
3000
zElectrical characteristic curves
10.0
IC−COLLECTOR CURRENT (mA)
Ta=25°C
80
1.2
1.0
0.8
IC-COLLECTOR CURRENT (mA)
100
0.6
60
40
0.4
0.2
0.1
20
IB=0mA
0
0
2.0
1.0
VCE−COLLECTOR-EMITTER VOLTAGE (V)
Fig.1 Grounded emitter output
characteristics ( )
35
30
8.0
25
6.0
20
15
4.0
10
2.0
5
IB=0µA Ta=25°C
0
0
2.0
1.0
VCE-COLLECTOR-EMITTER VOLTAGE (V)
Fig.2 Grounded emitter output
characteristics ( )
1000
hFE-DC CURRENT GAIN
Ta=25°C
VCE=10V
1V
100
10
0.1
1.0
10
IC-COLLECTOR CURRENT (mA)
5V
100
1000
Fig.3 DC current gain vs. collector current ( )
hFE-DC CURRENT GAIN
1000
VCE=5V
Ta=125°C
Ta=25°C
Ta=−55°C
100
10
0.1
1.0
10
IC-COLLECTOR CURRENT (mA)
100
1000
Fig.4 DC current gain vs. collector current ( )
Rev.A
2/5
BC848BW / BC848B
Transistors
1000
hFE-AC CURRENT GAIN
Ta=25°C
VCE=5V
f=1kHz
100
10
0.01
0.1
1
IC-COLLECTOR CURRENT (mA)
10
100
0.16
Ta=25°C
IC/IB=10
0.12
0.08
0.04
0
0.1
1.0
10
IC-COLLECTOR CURRENT (mA)
100
Fig.6 Collector-emitter saturation
voltage vs. collector current
1000
Ta=25°C
IC/IB=10
Ta=25°C
IC/IB=10
1.8
1.6
1.2
0.8
0.4
0
0.1
1.0
10
IC-COLLECTOR CURRENT (mA)
1000
Ta=25°C
IC/IB=10
1.6
1.2
0.8
0.4
0
0.1
100
Fig.7 Base-emitter saturation
voltage vs. collector current
Ta=25°C
VCE=5V
1.8
VBE(ON)BASE EMITTER VOLTAGE (V)
VCE(SAT)COLLECTOR EMITTER SATURATION VOLTAGE (V)
0.18
VBE(SAT)BASE EMITTER SATURATION VOLTAGE (V)
Fig.5 AC current gain vs. collector current
1.0
10
IC-COLLECTOR CURRENT (mA)
100
Fig.8 Grounded emitter propagation
characteristics
1000
40V
Ta=25°C
IC=101B1=101B2
100
10
1.0
VCC=40V
100
10
IC-COLLECTOR CURRENT (mA)
Fig.9 Turn-on time vs. collector
current
100
tS-STORAGE TIME (ns)
t r -RISE TIME (ns)
ton-TURN ON TIME (ns)
3V
10
1.0
10
IC-COLLECTOR CURRENT (mA)
Fig.10 Rise time vs. collector
current
VCE=15V
100
100
10
1.0
10
IC-COLLECTOR CURRENT (mA)
100
Fig.11 Storage time vs. collector
current
Rev.A
3/5
BC848BW / BC848B
CAPACITANCE (pF)
t f -FALL TIME (ns)
100
10
IC-COLLECTOR CURRENT (mA)
1
10
REVERSE BIAS VOLTAGE (V)
100
100
h PARAMETER NORMALIZED TO 1mA
CURRENT GAIN-BANDWIDTH PRODUCT (MHz)
Cob
500
Fig.15 Gain bandwidth product
vs. collector current
Ta=25°C
VCE=6V
f=270Hz
hoe
hre
10
hie
hre
1
hfe
hfe
IC=1mA
hie=7.8kΩ
hfe=280
hie
hre=4.5×10−5
hoe=7.5µS
hoe
0.1
0.1
1
10
IC-COLLECTOR CURRENT (mA)
Fig.14 Gain bandwidth product
10n
VCB=30V
1n
100P
10P
1P
0.1P
0
4
2
10k
Fig.18 Noise vs. collector current
100k
25
50
75
100
125
TA-AMBIENT TEMPERATURE (°C)
150
Fig.17 Collector cutoff current
100k
dB
12
B
8d
B
5d
6
500
Ta=25°C
VCE=5V
f=10Hz
B
8
10
100
IC-COLLECTOR CURRENT (mA)
B
NF NOISE FIGURE (dB)
0.5
0.5
d
=1
NF
10
1k
f-FREQUENCY (Hz)
300MHz
200MHz
100MHz
5.0
3d
Ta=25°C
VCE=5V
IC=100µA
RS=10kΩ
100
100
Ta=25°C
400MHz
Fig.16 h parameter
vs. collector current
12
0
10
50
50 100MHz 200MHz 300MHz 400MHz
Fig.13 Input/output capacitance
vs. voltage
Ta=25°C
VCE=5V
10
0.5 1.0
10
100
IC-COLLECTOR CURRENT (mA)
Cib
10
1
0.5
100
Fig.12 Fall time vs. collector
current
1000
Ta=25°C
f=1MHz
ICBO-COLLECTOR CUTOFF CURRENT (A)
10
1.0
100
Ta=25°C
VCC=40V
IC=101B1=101B2
RS-SOURCE RESISTANCE (Ω)
1000
VCE COLLECTOR-EMITTER VOLTAGE (V)
Transistors
10k
1k
100
0.01
0.1
1
IC-COLLECTOR CURRENT (mA)
10
Fig.19 Noise characteristics ( )
Rev.A
4/5
BC848BW / BC848B
Transistors
B
B
RS-SOURCE RESISTANCE (Ω)
8d
)
B
Fig.21 Noise characteristics (
10
5d
1
0.1
IC-COLLECTOR CURRENT (mA)
3d
100
0.01
B
1k
Ta=25°C
VCE=5V
10k f=10kHz
d
=1
NF
dB
RS-SOURCE RESISTANCE (Ω)
B
12
8d
Fig.20 Noise characteristics ( )
B
10
B
0.1
1
IC-COLLECTOR CURRENT (mA)
3d
100
0.01
Ta=25°C
VCE=5V
f=1kHz
10k
B
1k
100k
5d
10k
100k
d
=1
NF
B
8d
B
5d
dB
12
Ta=25°C
VCE=5V
f=30Hz
B
3d
dB
=1
NF
RS-SOURCE RESISTANCE (Ω)
100k
1k
100
0.01
0.1
1
IC-COLLECTOR CURRENT (mA)
Fig.22 Noise characteristics (
Rev.A
10
)
5/5
Appendix
Notes
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The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
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ROHM CO., LTD. is granted to any such buyer.
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The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
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safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
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Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1