BC857T
PNP General Purpose Transistor
FEATURES
•
Ideally suited for automatic insertion
•
For Switching and AF Amplifier Applications
MECHANICAL DATA
•
Case: SOT-523 Plastic
•
Case material: “Green” molding compound, UL
flammability classification 94V-0, (No Br. Sb. CI)
•
Lead Free in RoHS 2002/95/EC Compliant
Maximum Ratings
@ T
A
= 25℃
Characteristic
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current -Continuous
Collector Power Dissipation
Junction Temperature
Storage Temperature Range
Symbol
V
CBO
V
CEO
V
EBO
I
C
P
C
T
J
T
STG
Value
Unit
V
V
V
mA
mW
℃
℃
-50
-45
-6
-100
150
150
-55~+150
Electrical Characteristics
@
T
A
= 25℃ unless otherwise specified
Characteristic
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector-base cut-off current
DC current gain
Collector-emitter saturation voltage
Base-emitter saturation voltage
Base-emitter voltage
Transition frequency
Collector output capacitance
Noise figure
Test Condition
I
C
=-10µA,I
E
=0
I
C
=-10mA,I
B
=0
I
E
=-1µA,I
C
=0
V
CB
=-30V
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
I
C
=-2mA,V
CE
=-5V
I
C
=-10mA,V
CE
=-5V
V
CE
=-5V,I
C
=-10mA,
f=100MHz
V
CB
=-10V,f=1MHz
V
CE
=-5V,I
C
=-0.2mA,
f=1KHz,RS=2K
Bandwidth=200Hz
AT
BT
CT
Symbol
V
CBO
V
CEO
V
EBO
I
CBO
h
FE
V
CE
(sat)
V
BE
(sat)
V
BE
f
T
C
ob
NF
-600
100
4.5
10
-0.7
-0.9
-660
125
220
420
Min.
Typ.
Max.
Unit
V
V
V
-50
-45
-6
-15
250
475
800
-0.3
-0.66
nA
V
V
-750
-820
mV
MHz
pF
dB
REV. 2, Jun-2012, KSPR07
SOT-523 Outline Dimension
Device Marking :
Device P/N
BC857AT
BC857BT
BC857CT
Classification of h
FE
125-250
220-475
420-800
Marking code
3E
3F
3G
Electrical characteristic curves
Fig.1 Power Derating Curve
Fig.2 DC Current Gain vs. Collector Current
Fig.3 Collector Saturation Voltage vs. Collector Current
Fig.4 Current Bandwidth Product vs. Collector Current
Legal Disclaimer Notice
BC857T
Important Notice and Disclaimer
LSC reserves the right to make changes to this document and its products and specifications
at any time without notice. Customers should obtain and confirm the latest product
information and specifications before final design, purchase or use.
LSC makes no warranty, representation or guarantee regarding the suitability of its products
for any particular purpose, nor does LSC assume any liability for application assistance or
customer product design. LSC does not warrant or accept any liability with products which
are purchased or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of
LSC.
LSC products are not authorized for use as critical components in life support devices or
systems without express written approval of LSC.
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