Picture Mfr Part # QUANTITY Inventory MANUFACTURE Description Package Series Part Status Packaging Frequency Operating Temperature Package / Case Type Sensitivity Voltage - Supply Power - Output Serial Interfaces Data Rate (Max) Current - Receiving RF Family/Standard Modulation GPIO Current - Transmitting
GLOBAL STOCKS
SI4455-B1A-FMR RFQ
RFQ
3,298
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Digi-Reel® 283MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm (Max) SPI 500kbps 10mA General ISM < 1GHz FSK, GFSK, OOK 4 18mA ~ 30mA
SI4455-B1A-FMR
RFQ
3,925
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Cut Tape (CT) 283MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm (Max) SPI 500kbps 10mA General ISM < 1GHz FSK, GFSK, OOK 4 18mA ~ 30mA
SI4455-B1A-FMR
RFQ
2,628
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tape & Reel (TR) 283MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm (Max) SPI 500kbps 10mA General ISM < 1GHz FSK, GFSK, OOK 4 18mA ~ 30mA
SI4455-C2A-GMR RFQ
RFQ
2,371
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Digi-Reel® 284MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -115dBm 1.8 V ~ 3.6 V 13dBm SPI 500kbps 10.9mA General ISM < 1GHz FSK, GFSK, OOK 4 19mA ~ 24mA
SI4455-C2A-GMR
RFQ
2,311
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Cut Tape (CT) 284MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -115dBm 1.8 V ~ 3.6 V 13dBm SPI 500kbps 10.9mA General ISM < 1GHz FSK, GFSK, OOK 4 19mA ~ 24mA
SI4455-C2A-GMR
RFQ
1,067
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tape & Reel (TR) 284MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -115dBm 1.8 V ~ 3.6 V 13dBm SPI 500kbps 10.9mA General ISM < 1GHz FSK, GFSK, OOK 4 19mA ~ 24mA
SPIRIT1QTR RFQ
RFQ
2,285
In-stock
STMicroelectronics IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Digi-Reel® 150MHz ~ 174MHz, 300MHz ~ 348MHz, 387MHz ~ 470MHz, 779MHz ~ 956MHz -40°C ~ 105°C 20-VFQFN Exposed Pad TxRx Only -118dBm 1.8 V ~ 3.6 V 16dBm SPI 500kbps 9.2mA ~ 9.8mA General ISM < 1GHz 2FSK, ASK, GFSK, GMSK, MSK, OOK 4 6mA ~ 54mA
SPIRIT1QTR
RFQ
3,085
In-stock
STMicroelectronics IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Cut Tape (CT) 150MHz ~ 174MHz, 300MHz ~ 348MHz, 387MHz ~ 470MHz, 779MHz ~ 956MHz -40°C ~ 105°C 20-VFQFN Exposed Pad TxRx Only -118dBm 1.8 V ~ 3.6 V 16dBm SPI 500kbps 9.2mA ~ 9.8mA General ISM < 1GHz 2FSK, ASK, GFSK, GMSK, MSK, OOK 4 6mA ~ 54mA
SPIRIT1QTR
RFQ
3,392
In-stock
STMicroelectronics IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tape & Reel (TR) 150MHz ~ 174MHz, 300MHz ~ 348MHz, 387MHz ~ 470MHz, 779MHz ~ 956MHz -40°C ~ 105°C 20-VFQFN Exposed Pad TxRx Only -118dBm 1.8 V ~ 3.6 V 16dBm SPI 500kbps 9.2mA ~ 9.8mA General ISM < 1GHz 2FSK, ASK, GFSK, GMSK, MSK, OOK 4 6mA ~ 54mA
SI4438-C2A-GMR
RFQ
2,622
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tape & Reel (TR) 425MHz ~ 525MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -124dBm 1.8 V ~ 3.6 V 20dBm (Max) SPI 500kbps 13.7mA General ISM < 1GHz FSK, GFSK, GMSK, OOK 4 75mA
SI4438-B1C-FMR
RFQ
3,277
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tape & Reel (TR) 425MHz ~ 525MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -124dBm 1.8 V ~ 3.6 V 20dBm (Max) SPI 500kbps 14mA General ISM < 1GHz FSK, GFSK, GMSK, OOK 4 75mA
SI4438-B1C-FM
RFQ
1,077
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tray 425MHz ~ 525MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -124dBm 1.8 V ~ 3.6 V 20dBm (Max) SPI 500kbps 14mA General ISM < 1GHz FSK, GFSK, GMSK, OOK 4 75mA
SI4438-C2A-GM
RFQ
2,867
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tray 425MHz ~ 525MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -124dBm 1.8 V ~ 3.6 V 20dBm (Max) SPI 500kbps 13.7mA General ISM < 1GHz FSK, GFSK, GMSK, OOK 4 75mA
SI4455-C2A-GM
RFQ
1,785
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tray 284MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -115dBm 1.8 V ~ 3.6 V 13dBm (Max) SPI 500kbps 10.9mA General ISM < 1GHz FSK, GFSK, OOK 4 19mA ~ 24mA
SI4455-B1A-FM
RFQ
1,913
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tray 283MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm (Max) SPI 500kbps 10mA General ISM < 1GHz FSK, GFSK, OOK 4 18mA ~ 30mA