IC RF TxRx Only General ISM < 1GHz 240MHz ~ 930MHz 20-VFQFN Exposed Pad
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SI4431-B1-FM

DigiKey Part Number
336-2521-5-ND
Manufacturer
Manufacturer Product Number
SI4431-B1-FM
Description
IC RF TXRX ISM<1GHZ 20QFN
Customer Reference
Detailed Description
IC RF TxRx Only General ISM < 1GHz 240MHz ~ 930MHz 20-VFQFN Exposed Pad
Datasheet
 Datasheet
EDA/CAD Models
SI4431-B1-FM Models
Product Attributes
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Category
Sensitivity
-121dBm
Mfr
Serial Interfaces
SPI
Packaging
Tray
GPIO
3
Part Status
Not For New Designs
Voltage - Supply
1.8V ~ 3.6V
DigiKey Programmable
Not Verified
Current - Receiving
18.5mA
Type
TxRx Only
Current - Transmitting
17mA ~ 30mA
RF Family/Standard
General ISM < 1GHz
Operating Temperature
-40°C ~ 85°C
Modulation
FSK, GFSK, OOK
Mounting Type
Surface Mount
Frequency
Package / Case
20-VFQFN Exposed Pad
Data Rate (Max)
256kbps
Supplier Device Package
20-QFN (4x4)
Power - Output
13dBm (Max)
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
CC1101RGPTexas Instruments274296-38888-5-ND$4.37000Similar
In-Stock: 2,873
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Not recommended for new design, minimums may apply View Substitutes or Alternative Package Types
All prices are in USD
Tray
QuantityUnit PriceExt Price
1$10.80000$10.80
10$9.21800$92.18
25$8.68120$217.03
100$7.95440$795.44
490$7.23212$3,543.74
980$6.94989$6,810.89
1,470$6.79325$9,986.08
Manufacturers Standard Package
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.