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BC857AT Datasheet, PDF (1/2 Pages) Diodes Incorporated – PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR
BC857AT, BT, CT
PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
· Epitaxial Die Construction
· Complementary NPN Types Available
(BC847AT, BT, CT)
· Ultra-Small Surface Mount Package
A
Mechanical Data
· Case: SOT-523, Molded Plastic
C
TOP VIEW B C
· Case material - UL Flammability Rating
Classification 94V-0
· Moisture sensitivity: Level 1 per J-STD-020A
B
E
G
H
· Terminals: Solderable per MIL-STD-202,
K
Method 208
· Terminal Connections: See Diagram
J
· Weight: 0.002 grams (approx.)
· Marking Codes (See Table Below & Diagrams
on Page 2)
D
L
· Ordering & Date Code Information: See Page 2
SOT-523
Dim Min Max Typ
A 0.15 0.30 0.22
B 0.75 0.85 0.80
C 1.45 1.75 1.60
D ¾ ¾ 0.50
G 0.90 1.10 1.00
H 1.50 1.70 1.60
J 0.00 0.10 0.05
M
K 0.60 0.80 0.75
L 0.10 0.30 0.22
M 0.10 0.20 0.12
a
N 0.45 0.65 0.50
a 0° 8° ¾
All Dimensions in mm
Type
BC857AT
BC857BT
BC857CT
Marking
3V
3W
3G
Maximum Ratings @ TA = 25°C unless otherwise specified
Characteristic
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient (Note 1)
Operating and Storage Temperature Range
Symbol
VCBO
VCEO
VEBO
IC
Pd
RqJA
Tj, TSTG
Value
-50
-45
-5.0
-100
150
833
-55 to +150
Unit
V
V
V
mA
mW
°C/W
°C
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