BC857AT, BT, CT
PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
NEW PRODUCT
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Epitaxial Die Construction
Complementary NPN Types Available
(BC847AT, BT, CT)
Ultra-Small Surface Mount Package
SOT-523
A
C
Dim
A
B
C
B C
E
Min
0.15
0.75
1.45
戮
0.90
1.50
0.00
0.60
0.10
0.10
0.45
0掳
Max
0.30
0.85
1.75
戮
1.10
1.70
0.10
0.80
0.30
0.20
0.65
8掳
Typ
0.22
0.80
1.60
0.50
1.00
1.60
0.05
0.75
0.22
0.12
0.50
戮
Mechanical Data
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Case: SOT-523, Molded Plastic
Case material - UL Flammability Rating
Classification 94V-0
Moisture sensitivity: Level 1 per J-STD-020A
Terminals: Solderable per MIL-STD-202,
Method 208
Terminal Connections: See Diagram
Weight: 0.002 grams (approx.)
Marking Codes (See Table Below & Diagrams
on Page 2)
Ordering & Date Code Information: See Page 2
Type
BC857AT
BC857BT
BC857CT
Marking
3V
3W
3G
@ T
A
= 25掳C unless otherwise specified
B
TOP VIEW
D
G
H
J
M
G
H
K
K
L
M
a
N
a
J
D
L
All Dimensions in mm
Maximum Ratings
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Power Dissipation (Note 1)
Characteristic
Symbol
V
CBO
V
CEO
V
EBO
I
C
P
d
R
qJA
T
j
, T
STG
Value
-50
-45
-5.0
-100
150
833
-55 to +150
Unit
V
V
V
mA
mW
掳C/W
掳C
Thermal Resistance, Junction to Ambient (Note 1)
Operating and Storage Temperature Range
Notes:
1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout
document AP02001, which can be found on ourwebsite at http://www.diodes.com/datasheets/ap02001.pdf.
DS30275 Rev. 2 - 2
1 of 2
BC857AT, BT, CT
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