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End of Life - Stock Available
SI4432-B1-FM

SI4432-B1-FM by Silicon Labs

IC RF TxRx Only General ISM < 1GHz 240MHz ~ 930MHz 20-VFQFN Exposed Pad

End of Life Datasheet (PDF)

Component Details

Part Number
SI4432-B1-FM
Manufacturer
Silicon Labs
DigiKey P/N
336-2522-5-ND
Lifecycle
End of Life

Stock & Pricing

Distribution Stock
1,664 units
Lead Time
12 weeks
Reference Price (1 pc)
$11.9900
Price (100 pc)
$8.8463

Specifications

ParameterValue
DigiKey Programmable Not Verified
Type TxRx Only
RF Family/Standard General ISM < 1GHz
Modulation FSK, GFSK, OOK
Frequency 240MHz ~ 930MHz
Data Rate (Max) 256kbps
Power - Output 20dBm (Max)
Sensitivity -121dBm
Serial Interfaces SPI
GPIO 3
Voltage - Supply 1.8V ~ 3.6V
Current - Receiving 18.5mA
Current - Transmitting 85mA
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 20-VFQFN Exposed Pad
Supplier Device Package 20-QFN (4x4)

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The SI4432-B1-FM is classified under RF Transceiver ICs in the RF and Wireless category.

SI4432-B1-FM Specifications

Parameter Value
DigiKey Programmable Not Verified
Type TxRx Only
RF Family/Standard General ISM < 1GHz
Modulation FSK, GFSK, OOK
Frequency 240MHz ~ 930MHz
Data Rate (Max) 256kbps
Power – Output 20dBm (Max)
Sensitivity -121dBm
Serial Interfaces SPI
GPIO 3
Voltage – Supply 1.8V ~ 3.6V
Current – Receiving 18.5mA
Current – Transmitting 85mA
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 20-VFQFN Exposed Pad
Supplier Device Package 20-QFN (4×4)

Availability & Supply Status

  • Status: End of Life – Stock Available
  • Lifecycle: End of Life
  • Distribution Stock: 1,664 units
  • Standard Lead Time: 12 weeks

Datasheet

Download the official SI4432-B1-FM datasheet (PDF) for full electrical characteristics, pinout diagrams, and application notes.

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Data last verified: 5 days ago. Availability may have changed — check current stock.

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