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20250412
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SI4431-B1-FM

Part Number Overview

Manufacturer Part Number
SI4431-B1-FM
Description
IC RF TXRX ISM<1GHZ 20VFQFN
Detailed Description
IC RF TxRx Only General ISM < 1GHz 240MHz ~ 930MHz 20-VFQFN Exposed Pad
Manufacturer
Silicon Labs
Standard LeadTime
Edacad Model
SI4431-B1-FM Models
Standard Package
490
Supplier Stocks
>>>Click to Check<<<

Technical specifications

Mfr
Silicon Labs
Series
-
Package
Tray
Product Status
Not For New Designs
allaboutcomponents.com Programmable
Not Verified
Type
TxRx Only
RF Family/Standard
General ISM < 1GHz
Protocol
-
Modulation
FSK, GFSK, OOK
Frequency
240MHz ~ 930MHz
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
SI4431

Environmental & Export Classifications

RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
5A991B
HTSUS
8542.39.0001

Other Names

336-2521-5
SI4431-B1-FM-ND

Category

/Product Index/RF and Wireless/RF Transceiver ICs/Silicon Labs SI4431-B1-FM

Documents & Media

Datasheets
()
Reference Design Library
1(ENERGY-HARVEST-RD(#3): RF Sensor Node, Solar Power)
PCN Assembly/Origin
1(Mult Dev Foundry Site Add 13/Jul/2017)
PCN Packaging
()
HTML Datasheet
1(SI4430/31/32-B1)
EDA Models
1(SI4431-B1-FM Models)
Errata
1(Si4x3x Errata (rev.B))

Quantity Price

Quantity: 980
Unit Price: $5.80851
Packaging: Tray
MinMultiplier: 1
Quantity: 490
Unit Price: $6.4539
Packaging: Tray
MinMultiplier: 1
Quantity: 230
Unit Price: $7.0993
Packaging: Tray
MinMultiplier: 1
Quantity: 80
Unit Price: $7.74463
Packaging: Tray
MinMultiplier: 1
Quantity: 25
Unit Price: $8.6052
Packaging: Tray
MinMultiplier: 1
Quantity: 10
Unit Price: $9.466
Packaging: Tray
MinMultiplier: 1
Quantity: 1
Unit Price: $10.33
Packaging: Tray
MinMultiplier: 1

Substitutes

-

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