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 Symbol
Value
Unit
Collector-Base Voltage V
CBO
-50 V
Collector-Emitter Voltage V
CEO
-45 V
Emitter-Base Voltage V
EBO
-6 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
-55~+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
-6 V
Collector-base cut-off current V
CB
=-30V I
CBO
-15 nA
DC current gain V
CE
=-5V,I
C
=-
2mA
AT
BT
CT
h
FE
125
220
420
250
475
800
Collector-emitter saturation voltage I
C
=-10mA,I
B
=-0.5mA
I
C
=-100mA,I
B
=-5mA V
CE
(sat)
-0.3
-0.66 V
Base-emitter saturation voltage I
C
=-10mA,I
B
=-0.5mA
I
C
=-100mA,I
B
=-5mA V
BE
(sat)
-0.7
-0.9 V
Base-emitter voltage I
C
=-2mA,V
CE
=-5V
I
C
=-10mA,V
CE
=-5V V
BE
-600
-660
-750
-820 mV
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
Noise figure
V
CE
=-5V,I
C
=-0.2mA,
f=1KHz,RS=2KΩ
Bandwidth=200Hz
NF 10 dB
REV. 2, Jun-2012, KSPR07
SOT-523 Outline Dimension
Device Marking :
Device P/N Classification of h
FE
Marking code
BC857AT 125-250 3E
BC857BT 220-475 3F
BC857CT 420-800 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.
