Package_outline_dimensions_and_layout
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Rev. 90
255 of 316
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Package Outline Dimensions
Suggested Pad Layout
© Diodes Incorporated
Package Outline Dimensions
X4-WLCUS1406-2
X4-WLCUS1406-2
Dim
Min
Max
Typ
A
0.17
0.25
0.20
A1
0.006
0.01 0.008
b
0.459 0.559 0.509
D
1.35
1.45
1.40
E
0.550 0.650 0.600
e
-
-
0.812
L1
0.194 0.294 0.244
L2
0.700 0.800 0.750
Z1
0.016 0.076 0.046
Z2
0.016 0.076 0.046
All Dimensions in mm
Suggested Pad Layout
X4-WLCUS1406-2
Dimensions
Value
(in mm)
X
0.334
X1
0.840
X2
1.386
Y
0.589
L2
Z2
Seating Plane
A1
A
E
D
b(2x)
L1
e
Z1
Pin#1 Cathode
Notch(R 0.100)
Cathode
Anode
X2
Y
X
X1
ALL DIMENSIONS ARE NOMINAL VALUES SHOWN IN MILLIMETERS
Note: The suggested land pattern dimensions have been provided for reference only, as actual pad layouts may vary depending on application. These numbers
may be modified based on user equipment capability or fabrication criteria. A more robust pattern may be desired for wave soldering and is calculated by adding
0.2 mm to the ‘Z’ dimension. For further information, please reference document IPC-7351A, Naming Convention for Standard SMT Land Patterns, and for
International grid details, please see document IEC, Publication 97.
Rev. 90
256 of 316
www.diodes.com
Package Outline Dimensions
Suggested Pad Layout
© Diodes Incorporated
Package Outline Dimensions
X4-WLCUS1408-2
X4-WLCUS1408-2
Dim
Min
Max
Typ
A
0.17
0.25 0.20
A1 0.006 0.01 0.008
b
0.659 0.759 0.709
D
1.35
1.45 1.40
E
0.75
0.85 0.80
e
-
-
0.855
L1
0.194 0.294 0.244
L2
0.615 0.715 0.665
Z1