BC857B
PNP General purpose transistor
Datasheet
l
Outline
Parameter
Value
SOT-23
V
CEO
I
C
-45V
-100mA
SST3
l
Features
l
Inner circuit
1)BV
CEO
>45V(I
C
=1mA)
2)Complements the BC847B
l
Application
AUDIO FREQUENCY SMALL SIGNAL AMPLIFIER
l
Packaging specifications
Part No.
Package
SOT-23
(SST3)
Package
size
2924
Taping
code
T116
Basic
Reel size Tape width ordering
(mm)
(mm)
unit.(pcs)
180
8
3000
Marking
BC857B
G3F
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
1/6
20160606 - Rev.003
BC857B
l
Absolute maximum ratings
(T
a
= 25°C)
Datasheet
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Power dissipation
Junction temperature
Range of storage temperature
l
Electrical characteristics
(T
a
= 25°C)
Symbol
V
CBO
V
CEO
V
EBO
I
C
P
D*1
P
D*2
T
j
T
stg
Values
-50
-45
-5
-100
200
350
150
-65 to +150
Unit
V
V
V
mA
mW
mW
℃
℃
Parameter
Collector-base breakdown
voltage
Collector-emitter breakdown
voltage
Emitter-base breakdown voltage
Collector cut-off current
Collector-emitter saturation voltage
Symbol
BV
CBO
BV
CEO
BV
EBO
I
CBO
Conditions
I
C
= -50μA
I
C
= -1mA
I
E
= -50μA
V
CB
= -30V
V
CB
= -30V, T
a
= 150
℃
I
C
= -100mA, I
B
= -5mA
Min.
-50
-45
-5
-
-
-
-
-600
210
-
-
Values
Typ.
-
-
-
-
-
-
-
-
-
250
4.5
Max.
-
-
-
-15
-4
-300
-650
-750
480
-
-
Unit
V
V
V
nA
μA
mV
mV
mV
-
MHz
pF
V
CE(sat)
1 I
C
= -10mA, I
B
= -0.5mA
V
CE(sat)
2
Base-emitter turn
on voltage
DC current gain
Transition frequency
Output capacitance
V
BE(on)
V
CE
= -5V, I
C
= -10mA
h
FE
f
T
C
ob
V
CE
= -5V, I
C
= -2mA
V
CE
= -5V, I
E
= 20mA,
f = 100MHz
V
CB
= -10V, I
E
= 0A
f = 1MHz
*1 Each terminal mounted on a reference land.
*2 Mounted on a ceramic board(7.0×5.0×0.6mm).
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
2/6
20160606 - Rev.003
BC857B
l
Electrical characteristic curves(T
a
= 25°C)
Datasheet
Fig.1 Ground Emitter Propagation
Characteristics
Fig.2 Grounded Emitter Output
Characteristics
Fig.3 DC Current Gain vs. Collector
Current (I)
Fig.4 DC Current Gain vs. Collector
Current (lI)
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
3/6
20160606 - Rev.003
BC857B
l
Electrical characteristic curves(T
a
= 25°C)
Datasheet
Fig.5 Collector-Emitter Saturation Voltage
vs. Collector Current(l)
Fig.6 Collector-Emitter Saturation Voltage
vs. Collector Current(ll)
Fig.7 Base-Emitter Saturation Voltage
vs. Collector Current (I)
Fig.8 Gain Bandwith Product vs.
Emitter Current
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
4/6
20160606 - Rev.003
BC857B
l
Electrical characteristic curves(T
a
= 25°C)
Datasheet
Fig.9 Collector Output Capacitance vs.
Collector-Base Voltage
Emitter Input Capacitance vs.
Emitter-Base Voltage
Fig.10 Safe Operating Area
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
5/6
20160606 - Rev.003
京公网安备 11010802033920号
EEWORLD
