SI4430-B1-FMR is available for purchase but is not normally stocked.
Available Substitutes:

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IC RF TxRx Only General ISM < 1GHz 900MHz ~ 960MHz 20-VFQFN Exposed Pad
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

SI4430-B1-FMR

DigiKey Part Number
SI4430-B1-FMR-ND - Tape & Reel (TR)
Manufacturer
Silicon Labs
Manufacturer Product Number
SI4430-B1-FMR
Description
IC RF TXRX ISM<1GHZ 20QFN
Customer Reference
Detailed Description
IC RF TxRx Only General ISM < 1GHz 900MHz ~ 960MHz 20-VFQFN Exposed Pad
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Mfr
Silicon Labs
Series
-
Packaging
Tape & Reel (TR)
Part Status
Not For New Designs
DigiKey Programmable
Not Verified
Type
TxRx Only
RF Family/Standard
General ISM < 1GHz
Protocol
-
Modulation
FSK, GFSK, OOK
Frequency
900MHz ~ 960MHz
Data Rate (Max)
256kbps
Power - Output
13dBm (Max)
Sensitivity
-121dBm
Memory Size
-
Serial Interfaces
SPI
GPIO
3
Voltage - Supply
1.8V ~ 3.6V
Current - Receiving
18.5mA
Current - Transmitting
17mA ~ 30mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-VFQFN Exposed Pad
Supplier Device Package
20-QFN (4x4)
Base Product Number
SI4430
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Available To Order
Not recommended for new design, minimums may apply View Substitutes or Alternative Package Types
Quantity
All prices are in GBP
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500£5.84033£14,600.82
Manufacturers Standard Package
Unit Price without VAT:£5.84033
Unit Price with VAT:£7.00840