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Same model may have multiple batches, images only for reference.
SI4431-B1-FM Real Image
Same model may have multiple batches, images only for reference.

SI4431-B1-FM

Part No SI4431-B1-FM
Manufacturer Silicon Labs
Catalog RF Transceiver ICs
Description Si4430/31/32 ISM TRANSCEIVER
Datasheet
SI4431-B1-FM Datasheet
Sample
Rohs State rohs
ECAD Module
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Products specifications Report Issue?

Categories RF/IF and RFID
Manufacturer Silicon Labs
Packaging Tube
Type TxRx Only
RF Family/Standard General ISM
Modulation FSK, GFSK, OOK
Frequency 240MHz ~ 930MHz
Data Rate (Maximum) 256kbps
Power - Output 13dBm (Maximum)
Sensitivity -121dBm
Serial Interfaces SPI
GPIO 3
Operating Supply Voltage 1.8 V ~ 3.6 V
Current - Receiving 18.5mA
Current - Transmitting 17mA ~ 30mA
Operating Temperature Range -40°C ~ 85°C
Package 20-VFQFN Exposed Pad
Win Source Part Number 1249071-SI4431-B1-FM
Manufacturer Homepage www.silabs.com
Popularity Medium
Supply and Demand Status Limited
Family Name Si4431
Introduction Date July 24, 2008
ECCN 5A991.b
Country of Origin Taiwan
Halogen Free Compliant
Estimated EOL Date 2019
Ultra Librarian 3D Model Ultra Librarian SI4431-B1-FM CAD Model

Description

The Silicon Labs SI4431-B1-FM is an RF/IF and RFID component that operates at a frequency range of 240MHz to 930MHz.

  • Sensitivity: -121dBm
  • Power Output: 13dBm
  • Application: suitable for use in general ISM RF family/standard applications
  • Modulation: uses FSK, GFSK, and OOK modulation
  • Maximum Data Rate: 256kbps
  • Serial Interfaces: uses SPI serial interfaces

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Pricing & Ordering

Quantity Unit Price Ext. Price
14+ $3.8121 $53.3694
32+ $3.1279 $100.0928
50+ $3.0301 $151.5050
69+ $2.9324 $202.3356
89+ $2.8346 $252.2794
119+ $2.5414 $302.4266
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Availability: 12,500 pieces
MOQ: 14 pcs
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