EFR32FG Flex Gecko MCUs

Silicon Labs EFR32FG Flex Gecko SoCs combine an energy-friendly ARM Cortex M4 MCU with a highly-integrated radio transceiver to support proprietary wireless protocols. EFR32FG's single-die solution offers industry-leading energy efficiency, ultra-fast wakeup times, a scalable power amplifier, an integrated 2.4GHz balun, and impressive MCU features. The EFR32FG Flex Gecko SoCs are ideally suited for energy-friendly proprietary protocol networking for IoT devices. Flex Gecko applications include commercial & retail, home & building automation and security, metering, electronic shelf labels, and industrial automation.
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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Type
Core
Operating Frequency
Maximum Data Rate
Output Power
Sensitivity
Supply Voltage - Min
Supply Voltage - Max
Supply Current Receiving
Supply Current Transmitting
Program Memory Size
Minimum Operating Temperature
Maximum Operating Temperature
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Packaging
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN32 Sub-GHz 256 kB flash 32 kB RAM 16 GPIO
Datasheet
23,599In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz 500 kbps 20 dBm - 126.4 dBm 1.85 V 3.8 V 7.6 mA 34.5 mA 256 kB - 40 C + 85 C QFN-32 Reel, Cut Tape
Silicon Labs RF System on a Chip - SoC Flex Value QFN32 2.4G 8dB Prop 256kB 32kB(RAM) 16GPIO
Datasheet
12,435In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Bluetooth ARM Cortex M4 2.4 GHz 2 Mbps 8 dBm - 92.5 dBm 1.85 V 3.8 V 8.7 mA 8.2 mA 256 kB - 40 C + 85 C QFN-32 Reel, Cut Tape
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 256 kB flash 32 kB RAM 32 GPIO
Datasheet
4,993In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz 500 kbps 16.5 dBm - 126.4 dBm 1.85 V 3.8 V 7.6 mA 34.5 mA 256 kB - 40 C + 85 C QFN-48 Reel, Cut Tape
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 256 kB flash 32 kB RAM 31 GPIO
Datasheet
6,734In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz, 2.4 GHz 2 Mbps 19 dBm, 20 dBm - 92.5 dBm, - 126.4 dBm 1.85 V 3.8 V 7.6 mA, 8.7 mA 8.2 mA, 34.5 mA 256 kB - 40 C + 85 C QFN-48 Reel, Cut Tape
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 256 kB flash 32 kB RAM 31 GPIO
Datasheet
1,940In Stock
Min.: 1
Mult.: 1

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz, 2.4 GHz 2 Mbps 19 dBm, 20 dBm - 92.5 dBm, - 126.4 dBm 1.85 V 3.8 V 7.6 mA, 8.7 mA 8.2 mA, 34.5 mA 256 kB - 40 C + 85 C QFN-48 Tray
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 128 kB flash 16 kB RAM 31 GPIO
Datasheet
2,479In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz 500 kbps 16.5 dBm - 126.4 dBm 1.85 V 3.8 V 7.6 mA 34.5 mA 128 kB - 40 C + 85 C QFN-48 Reel, Cut Tape
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN32 Sub-GHz 128 kB flash 32 kB RAM 16 GPIO
Datasheet
452In Stock
Min.: 1
Mult.: 1

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz 500 kbps 20 dBm - 126.4 dBm 1.85 V 3.8 V 7.6 mA 34.5 mA 128 kB - 40 C + 85 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN32 Sub-GHz 256 kB flash 32 kB RAM 16 GPIO
Datasheet
293In Stock
Min.: 1
Mult.: 1

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz 500 kbps 16.5 dBm - 126.4 dBm 1.85 V 3.8 V 7.6 mA 34.5 mA 256 kB - 40 C + 85 C QFN-32 Tray

Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 128 kB flash 16 kB RAM 31 GPIO
Datasheet
20In Stock
Min.: 1
Mult.: 1

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz 500 kbps 16.5 dBm - 126.4 dBm 1.85 V 3.8 V 7.6 mA 34.5 mA 128 kB - 40 C + 85 C QFN-48 Tray
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN32 Sub-GHz 128 kB flash 32 kB RAM 16 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 128 kB - 40 C + 85 C QFN-32 Reel
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 128 kB flash 32 kB RAM 31 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 128 kB - 40 C + 85 C QFN-48 Reel
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 128 kB flash 32 kB RAM 32 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 256 kB - 40 C + 85 C QFN-48 Reel
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN32 Sub-GHz 64 kB flash 16 kB RAM 16 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 64 kB - 40 C + 85 C QFN-32 Reel
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 64 kB flash 16 kB RAM 31 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 64 kB - 40 C + 85 C QFN-48 Reel
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 128 kB flash 32 kB RAM 28 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Sub-GHz ARM Cortex M4 2.4 GHz 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 128 kB - 40 C + 85 C QFN-48 Reel
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 64 kB flash 16 kB RAM 31 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Sub-GHz ARM Cortex M4 2.4 GHz 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 64 kB - 40 C + 85 C QFN-48 Reel
Silicon Labs RF System on a Chip - SoC Flex Value QFN32 2.4G 8dB Prop 128kB 16kB(RAM) 16GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Bluetooth ARM Cortex M4 2.4 GHz 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 128 kB - 40 C + 85 C QFN-32 Reel
Silicon Labs RF System on a Chip - SoC Flex Value QFN32 2.4G 8dB Prop 256kB 32kB(RAM) 16GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,450
Mult.: 2,450

Bluetooth ARM Cortex M4 2.4 GHz 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 256 kB - 40 C + 85 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN32 Sub-GHz 128 kB flash 16 kB RAM 16 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz 500 kbps 16.5 dBm - 126.4 dBm 1.85 V 3.8 V 7.6 mA 34.5 mA 128 kB - 40 C + 85 C QFN-32 Reel
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN32 Sub-GHz 256 kB flash 32 kB RAM 16 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Sub-GHz ARM Cortex M4 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 256 kB - 40 C + 85 C QFN-32 Reel
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN32 Sub-GHz 32 kB flash 8 kB RAM 16 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Sub-GHz ARM Cortex M4 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 32 kB - 40 C + 85 C QFN-32 Reel
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 32 kB flash 8 kB RAM 32 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Sub-GHz ARM Cortex M4 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 32 kB - 40 C + 85 C QFN-48 Reel
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN32 Sub-GHz 64 kB flash 16 kB RAM 16 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Sub-GHz ARM Cortex M4 169 MHz, 315 MHz, 433 MHz, 490 MHz, 868 MHz, 915 MHz 500 kbps 16.5 dBm - 126.4 dBm 1.85 V 3.8 V 7.6 mA 34.5 mA 64 kB - 40 C + 85 C QFN-32 Reel
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 64 kB flash 16 kB RAM 31 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Sub-GHz ARM Cortex M4 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 64 kB - 40 C + 85 C QFN-48 Reel
Silicon Labs RF System on a Chip - SoC Flex Gecko SoC QFN32 128 kB flash 16 kB RAM 16 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Bluetooth ARM Cortex M4 2.4 GHz 2 Mbps 19.5 dBm - 89.2 dBm, - 92.5 dBm 3.3 V 3.3 V 9.8 mA 8.2 mA 128 kB - 40 C + 85 C QFN-32 Reel