Si4356
22 Rev 1.2
Table 15. Package Diagram Dimensions
Dimension Min Nom Max
A 0.80 0.85 0.90
A1 0.00 0.02 0.05
A3 0.20 REF
b 0.18 0.25 0.30
c 0.25 0.30 0.35
D3.00 BSC.
D2 1.55 1.70 1.85
e0.50 BSC.
E3.00 BSC.
E2 1.55 1.70 1.85
f2.40 BSC.
L 0.30 0.40 0.50
aaa 0.15
bbb 0.10
ccc 0.10
ddd 0.05
eee 0.08
fff 0.10
Note: All dimensions shown are in millimeters (mm) unless otherwise noted.
Si4356
Rev 1.2 23
10. PCB Land Pattern
Figure 9. 20-pin QFN PCB Land Pattern (Top View)
Table 16. PCB Land Pattern Dimensions
Dimension Min Max
C1 3.00
C2 3.00
E 0.50 REF
X1 0.25 0.35
X2 1.65 1.75
Y1 0.85 0.95
Y2 1.65 1.75
Y3 0.37 0.47
f 2.40 REF
c 0.25 0.35
Note: : All dimensions shown are in millimeters (mm) unless otherwise noted.
Si4356
24 Rev 1.2
11. Top Marking
11.1. Si4356 Top Marking
Figure 10. Si4356 Top Marking
11.2. Top Marking Explanation
Mark Method: Laser
Pin 1 Mark Circle = 0.5 mm Diameter
Font Size 0.6 mm Right Justified
Line 1 Marking: Product ID 356A
Line 2 Marking: TTTT = Trace Code Internal tracking number
Line 3 Marking: YWW = Date Code Corresponds to the last digit of the current year (Y) and the
work week (WW) of the assembly date.

SI4356-B1A-FMR

Mfr. #:
Manufacturer:
Silicon Labs
Description:
RF Receiver RX sub-GHz receiver
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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