BC857W
PNP General Purpose Transistor
FEATURES
Ideally suited for automatic insertion
For Switching and AF Amplifier Applications
MECHANICAL DATA
Case: SOT-323 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 Symbol
Value
Unit
Collector-Base Voltage V
CBO
-50 V
Collector-Emitter Voltage V
CEO
-45 V
Emitter-Base Voltage V
EBO
-5 V
Collector Current -Continuous I
C
-100 mA
Collector Power Dissipation P
C
150 mW
Junction Temperature T
J
150
Storage Temperature Range T
STG
-65~+150
Electrical Characteristics
@
T
A
= 25 unless otherwise specified
Characteristic Test Condition Symbol
Min. Typ. Max.
Unit
Collector-base breakdown voltage I
C
=-10µA,I
E
=0 V
CBO
-50 V
Collector-emitter breakdown voltage
I
C
=-10mA,I
B
=0 V
CEO
-45 V
Emitter-base breakdown voltage I
E
=-1µA,I
C
=0 V
EBO
-5 V
Collector-base cut-off current V
CB
=-30V,I
E
=0 I
CBO
-15 nA
DC current gain V
CE
=-5V,I
C
=-
2mA
AW
BW
CW
h
FE
125
220
420
250
475
800
Collector-emitter saturation voltage I
C
=-100mA,I
B
=-5mA V
CE
(sat)
-0.65 V
Base-emitter saturation voltage I
C
=-100mA,I
B
=-5mA V
BE
(sat)
-1.1 V
Transition frequency V
CE
=-5V,I
C
=-10mA,
f=100MHz f
T
100 MHz
Collector output capacitance V
CB
=-10V,f=1MHz C
ob
4.5 pF
REV. 2, Jun-2012, KSPR08
SOT-323 Outline Dimension
Device Marking :
Device P/N Classification of h
FE
Marking code
BC857AW 125-250 3E
BC857BW 220-475 3F
BC857CW 420-800 3G
Electrical characteristic curves
Fig.1 DC Current Gain vs. Collector Current_BC857AW Fig.2 Grounded Emitter Propogation_BC857AW
Fig.3 Collector Emitter Saturation Voltage vs. Collector
Current_BC857AW
Fig.4 Base Emitter Saturation Voltage vs. Collector
Current_BC857AW
Fig.5 DC Current Gain vs. Collector Current_BC857BW Fig.6 Grounded Emitter Propogation_BC857BW
Fig.7 Collector Emitter Saturation Voltage vs. Collector
Current_BC857BW
Fig.8 Base Emitter Saturation Voltage vs. Collector
Current_BC857BW
Fig.9 DC Current Gain vs. Collector Current_BC857CW Fig.10 Grounded Emitter Propogation_BC857CW
Fig.11 Collector Emitter Saturation Voltage vs. Collector
Current_BC857CW
Fig.12 Base Emitter Saturation Voltage vs. Collector
Current_BC857CW
Legal Disclaimer Notice
BC857W
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.