Package_outline_dimensions_and_layout
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Gauge Plane
0.25
L
L1
Y1
X1
Y2
Y3
Y (20x)
X (20x)
C
X2
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
217 of 316
www.diodes.com
Package Outline Dimensions
Suggested Pad Layout
© Diodes Incorporated
Package Outline Dimensions
TSOT25
TSOT25
Dim
Min
Max
Typ
A
-
1.00
-
A1
0.01
0.10
-
A2
0.84
0.90
-
b
0.30
0.45
-
c
0.12
0.20
-
D
-
-
2.90
E
-
-
2.80
E1
-
-
1.60
e
0.95 BSC
e1
1.90 BSC
L
0.30
0.50
L2
0.25 BSC
θ
0°
8°
4°
θ1
4°
12°
-
All Dimensions in mm
TSOT25 (Type A2)
Dim
Min
Max
Typ
A
-
1.10
-
A1
0.01
0.10
-
A2
0.70
1.00
-
b
0.30
0.50
-
c
0.12 REF
D
2.70
3.10
-
E
2.60
3.00
-
E1
1.40
1.80
-
e
0.95 REF
e1
1.90 REF
L
0.45 REF
L2
0.25 REF
θ
0°
8°
4°
All Dimensions in mm
Suggested Pad Layout
TSOT25
Dimensions Value (in mm)
C
0.950
X
0.700
Y
1.000
Y1
3.199
D
E1
E1/2
e1
E
E/2
e
A
A2
A1
Seating Plane
0
L2
L
Gauge Plane
01(4x)
01(4x)
c
b
Seating Plane
Y1
C
X
Y
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.