Renesas H8SX/1638 User Manual page 24

Section 2 Connection Procedures
Figure 6 Recommended Dimensions for the Mounting Pad
Rev. 3.00 Sep. 08, 2008 Page 12 of 30
REJ10J1870-0300
0.40 x 29 = 11.6
0.40 ± 0.05 = 0.2
3.0 - φ1.0
5.8
Dimension and tolerance
Dimension Tolerance
Up to 1.2 ±0.05
1.3 to 2.0 ±0.10
2.1 to 5.0 ±0.15
±0.20
5.1 to 10.0
10.1 or above ±0.30
Unit: mm