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Home > Products > RF/IF and RFID > RF Transceiver ICs > SI4431-B1-FM
Silicon Labs

SI4431-B1-FM

Manufacturer Part Number SI4431-B1-FM
Manufacturer Silicon Labs
Detailed Description IC RF TXRX ISM<1GHZ 20VFQFN
Package 20-QFN (4x4)
In Stock 17477 pcs
Data sheet SI4432/31/30 ShortSI4430/31/32-B1IC/SIP MOQ Chg 11/Jan/2022Labeling Change 14/Dec/2021Mult Dev Foundry Site Add 13/Jul/2017Si4x3x Errata (rev.B)
Reference Price (In US Dollars)
1 10 25 80 230 490
$4.123 $3.781 $3.437 $3.093 $2.836 $2.578
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Specifications

Product Attribute Attribute Value
Voltage - Supply 1.8V ~ 3.6V
Type TxRx Only
Supplier Device Package 20-QFN (4x4)
Series -
Serial Interfaces SPI
Sensitivity -121dBm
RF Family/Standard General ISM < 1GHz
Protocol -
Power - Output 13dBm (Max)
Package / Case 20-VFQFN Exposed Pad
Package Tray
Product Attribute Attribute Value
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Modulation FSK, GFSK, OOK
Memory Size -
GPIO 3
Frequency 240MHz ~ 930MHz
Data Rate (Max) 256kbps
Current - Transmitting 17mA ~ 30mA
Current - Receiving 18.5mA
Base Product Number SI4431

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SI4431-B1-FM Datasheet PDF

Data sheet

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