RFM22B Datasheet, PDF (71/74 Pages) List of Unclassifed Manufacturers – ISM TRANSCEIVER MODULE

RFM22B/23B
16. Package Outline
Figure 33 illustrates the package details for the IC using in the module. Table 19 lists the values for the
dimensions shown in the illustration.
Figure 33. 20-Pin Quad Flat No-Lead (QFN)
Table 19. Package Dimensions
Symbol
A
A1
b
D
D2
e
E
E2
L
aaa
bbb
ccc
ddd
eee
Millimeters
Min
Nom
Max
0.80
0.85
0.90
0.00
0.02
0.05
0.18
0.25
0.30
4.00 BSC
2.55
2.60
2.65
0.50 BSC
4.00 BSC
2.50
2.60
2.70
0.30
0.40
0.50
—
—
0.10
—
—
0.10
—
—
0.08
—
—
0.10
—
—
0.10
Notes:
1. All dimensions are shown in millimeters (mm) unless otherwise noted.
2. Dimensioning and tolerancing per ANSI Y14.5M-1994.
3. This drawing conforms to the JEDEC Solid State Outline MO-220,
Variation VGGD-8.
4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020
specification for Small Body Components.
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