Specifications

Si4730/31/34/35-D60
34 Rev. 1.1
7. Package Outline
7.1. Si473x-D60 QFN
Figure 12 illustrates the package details for the Si473x. Table 17 lists the values for the dimensions shown in the
illustration.
Figure 12. 20-Pin Quad Flat No-Lead (QFN)
Table 17. Package Dimensions
Symbol Millimeters Symbol Millimeters
Min Nom Max Min Nom Max
A 0.50 0.55 0.60 f 2.53 BSC
A1 0.00 0.02 0.05 L 0.35 0.40 0.45
b 0.200.250.30 L1 0.00 — 0.10
c 0.27 0.32 0.37 aaa — — 0.05
D 3.00 BSC bbb — — 0.05
D2 1.65 1.70 1.75 ccc — — 0.08
e 0.50 BSC ddd — — 0.10
E 3.00 BSC eee — — 0.10
E2 1.65 1.70 1.75
Notes:
1. All dimensions are shown in millimeters (mm) unless otherwise noted.
2. Dimensioning and tolerancing per ANSI Y14.5M-1994.