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CD143A-SR2.8~3.3 – Steering/TVS Diode Array Series
Product Dimensions
This is a molded JEDEC SOT-143 device. It weighs approximately 35 mg and has a
flammability rating of UL 94V-0. The dimensions for the packaged device are shown below.
A
Dimensions
2.80 - 3.04
(0.110 - 0.12)
A
B
B
C
D
1.78 - 2.03
(0.070 - 0.080)
2.11 - 2.48
(0.083 - 0.098)
1.20 - 1.39
(0.047 - 0.055)
J
F
E
I
K
D
C
DIMENSIONS:
MM
(INCHES)
H
G
E
F
G
H
I
J
0.39 - 0.50
(0.015 - 0.020)
0.79 - 0.93
(0.031 - 0.037)
0.08 - 0.15
(0.003 - 0.006)
0.46 - 0.60
(0.018 - 0.024)
0.84 - 1.14
(0.033 - 0.045)
0.72 - 0.83
(0.028 - 0.033)
K
0.013 - 0.10
(0.0005 - 0.004)
Recommended Pad Layout
This is the footprint recommended for this SOT-143 device.
Block Diagram
The device block diagram below includes the pin names and basic
electrical connections associated with each channel.
2.85
(0.112)
1.90
4
REF
(0.075)
0.85
(0.033)
GND
1
1.90
1.05
2.75
I/O
2
3
I/O
(0.075)
(0.041)
(0.108)
1.70
(0.067)
Typical Part Marking
0.85
(0.033)
CD143A-SR2.8 ..............................................................................2A
1.20
(0.047)
0.80
(0.031)
MM
DIMENSIONS:
(INCHES)
0.85
(0.033)
CD143A-SR3.3 ..............................................................................3A
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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