
Rev. 1.1
33
S i 8 4 1 0 / 2 0 / 2 1 ( 5 k V )
S i 8 4 2 2 / 2 3 ( 2 . 5 & 5 k V )
10. Land Pattern: 8-Pin Narrow Body SOIC
Figure 20 illustrates the recommended land pattern details for the Si84xx in an 8-pin narrow-body SOIC. Table 17
lists the values for the dimensions shown in the illustration.
Figure 20. PCB Land Pattern: 8-Pin Narrow Body SOIC
Table 17. PCM Land Pattern Dimensions (8-Pin Narrow Body SOIC)
Dimension
Feature
(mm)
C1
Pad Column Spacing
5.40
E
Pad Row Pitch
1.27
X1
Pad Width
0.60
Y1
Pad Length
1.55
Notes:
1.
This Land Pattern Design is based on IPC-7351 pattern SOIC127P600X173-8N for
Density Level B (Median Land Protrusion).
2.
All feature sizes shown are at Maximum Material Condition (MMC) and a card
fabrication tolerance of 0.05 mm is assumed.