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Silicon Labs

SI4438-B1C-FMR

MFR #SI4438-B1C-FMR

FPN#SI4438-B1C-FMR-FL

MFRSilicon Labs

Part DescriptionRF Transceiver (Board Mount) TxRx + MCU General ISM < 1GHz 20-QFN T/R
Datasheet
95565-Datasheet
Quote Onlymore info
Multiples of: 2500more info
Prices are in USD
Flip Electronics may assess a Tariff Recovery Fee relating to Tariffs on subject countries, including but not limited to China. The final charge will be included on Flip’s invoice. Flip Electronics reserves the right to assess this charge whenever a tariff is incurred or as additional country of origin information is known, even if no Tariff Recovery Fee is initially quoted.

Product Attributes

Main CategorySemiconductors
CategoryIntegrated Circuits (ICs)
Sub CategoryRF ICs
Family NameSI4438
Lifecycle StatusActive (NRND)
RoHSCompliant
RoHS Exemption TypeNone, RoHS (2015/863)
Reach StatusCompliant
Core ProcessorN/R
Core SizeN/R
GPIO4
Life Cycle StatusActive (NRND)
Maximum Clock SpeedN/R
Maximum Data Rate500kbps
Maximum Operating Frequency525MHz
Maximum Operating Temperature85°C (TA)
Maximum Receiving Current14mA
Maximum Supply Voltage3.8V
Maximum Transmitting Current75mA
Memory SizeN/A
Minimum Operating Frequency425MHz
Minimum Operating Temperature-40°C (TA)
Minimum Receiving CurrentN/A
Minimum Sensitivity-124dBm
Minimum Supply Voltage1.8V
Minimum Transmitting CurrentN/A
ModulationFSK, GFSK, GMSK, OOK
Number of CoresN/R
PK Package Dimensions NotePopular package size 41% from Suppliers use this Dimension
Package Type20-QFN (4x4)
ProtocolN/A
RF Family StandardGeneral ISM < 1GHz
Serial InterfacesSPI
Transceiver TypeTxRx Only
Typical Output Power20dBm