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EFR32FG23 Flex Gecko Wireless SoCs

Silicon Labs EFR32FG23 Flex Gecko Wireless SoCs (System-on-a-Chip) are ideal for sub-GHz Internet of Things (IoT) wireless connectivity for smart home, security, lighting, building automation, and metering. The EFR32FG23 are high-performance sub-GHz radios that provide long-range and are not susceptible to 2.4GHz interference from technologies. The single die, multi-core solution provides industry-leading security and low power consumption with fast wakeup times. An integrated power amplifier enables the next generation of secure connectivity for IoT devices. The EFR32FG23L variants are low-power. Silicon Labs EFR32FG23 Flex Gecko Wireless SoCs are available in 40-pin and 48-pin Quad Flat No-Lead (QFN) packages with a wide -40°C to +125°C operating temperature range.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.
RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, XOUT, QFN40 EFR32FG23A011F512GM40-CR Silicon Labs 1: $7.466 7.820In Stock	Mfr. Part # EFR32FG23A011F512GM40-CR Mouser Part # 634-FG2311F512GM40CR	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, XOUT, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	7.820In Stock	Cut Tape $7.466 $5.731 $5.292 $4.809 View Reel $4.326 $4.589 $4.447 $4.392 $4.326	Min.: 1 Mult.: 1 : 2.500
RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN48 EFR32FG23A010F512GM48-C Silicon Labs 1: $7.466 4.873In Stock	Mfr. Part # EFR32FG23A010F512GM48-C Mouser Part # 634-FG2310F512GM48C	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN48 Learn More about Silicon Labs efr32fg23 socs	Datasheet	4.873In Stock	$7.466 $5.731 $5.292 $4.809 View $4.589 $4.447 $4.392 $4.326	Min.: 1 Mult.: 1
RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, Secure Vault-High, +125C, QFN48 EFR32FG23B010F512IM48-CR Silicon Labs 1: $8.355 1.856In Stock	Mfr. Part # EFR32FG23B010F512IM48-CR Mouser Part # 634-FG2310F512IM48CR	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, Secure Vault-High, +125C, QFN48 Learn More about Silicon Labs efr32fg23 socs	Datasheet	1.856In Stock	Cut Tape $8.355 $6.445 $5.962 $5.435 View Reel $5.380 $5.380 $5.380 Quote	Min.: 1 Mult.: 1 : 2.500
RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN40 EFR32FG23A020F256GM40-CR Silicon Labs 1: $5.830 3.553In Stock	Mfr. Part # EFR32FG23A020F256GM40-CR Mouser Part # 634-FG2320F256GM40CR	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	3.553In Stock	Cut Tape $5.830 $4.447 $4.095 $3.711 View Reel $3.327 $3.535 $3.426 $3.382 $3.327 MouseReel Available	Min.: 1 Mult.: 1 : 2.500
RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, Secure Vault-High, +125C, QFN40 EFR32FG23B010F512IM40-CR Silicon Labs 1: $8.103 1.325In Stock	Mfr. Part # EFR32FG23B010F512IM40-CR Mouser Part # 634-FG2310F512IM40CR	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, Secure Vault-High, +125C, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	1.325In Stock	Cut Tape $8.103 $6.247 $5.786 $5.270 View Reel $4.502 $4.886 $4.732 $4.502 MouseReel Available	Min.: 1 Mult.: 1 : 2.500
RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN48 EFR32FG23A010F256GM48-CR Silicon Labs 1: $5.490 1.063In Stock	Mfr. Part # EFR32FG23A010F256GM48-CR Mouser Part # 634-FG2310F256GM48CR	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN48 Learn More about Silicon Labs efr32fg23 socs	Datasheet	1.063In Stock	Cut Tape $5.490 $4.183 $3.854 $3.491 View Reel $3.129 $3.316 $3.217 $3.173 $3.129	Min.: 1 Mult.: 1 : 2.500
RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN48 EFR32FG23A020F256GM48-CR Silicon Labs 1: $6.818 2.384In Stock	Mfr. Part # EFR32FG23A020F256GM48-CR Mouser Part # 634-FG2320F256GM48CR	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN48 Learn More about Silicon Labs efr32fg23 socs	Datasheet	2.384In Stock	Cut Tape $6.818 $5.226 $4.831 $4.392 View Reel $3.953 $4.183 $4.062 $4.008 $3.953	Min.: 1 Mult.: 1 : 2.500
RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, XOUT, QFN40 EFR32FG23A021F512GM40-CR Silicon Labs 1: $8.268 2.410In Stock	Mfr. Part # EFR32FG23A021F512GM40-CR Mouser Part # 634-FG2321F512GM40CR	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, XOUT, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	2.410In Stock	Cut Tape $8.268 $6.368 $5.896 $5.380 View Reel $4.589 $4.985 $4.974 $4.820 $4.589	Min.: 1 Mult.: 1 : 2.500
RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN48 EFR32FG23A010F512GM48-B Silicon Labs 1: $6.643 3.307In Stock NRND	Mfr. Part # EFR32FG23A010F512GM48-B Mouser Part # 634-FG23A10F512GM48B NRND	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN48 Learn More about Silicon Labs efr32fg23 socs	Datasheet	3.307In Stock	$6.643 $5.062 $4.666 $4.216 View $4.008 $3.887 $3.832 $3.788	Min.: 1 Mult.: 1
RF System on a Chip - SoC FG23, Sub-GHz, 128kB Flash, 32kB RAM, +14 dBm, Secure Vault-High, QFN40 EFR32FG23B010F128GM40-CR Silicon Labs 1: $6.489 1.820In Stock	Mfr. Part # EFR32FG23B010F128GM40-CR Mouser Part # 634-FG2310F128GM40CR	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 128kB Flash, 32kB RAM, +14 dBm, Secure Vault-High, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	1.820In Stock	Cut Tape $6.489 $4.941 $4.557 $4.128 View Reel $3.711 $3.931 $3.810 $3.755 $3.711	Min.: 1 Mult.: 1 : 2.500
RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, XOUT, QFN40 EFR32FG23A021F512GM40-B Silicon Labs 1: $7.104 3.017In Stock NRND	Mfr. Part # EFR32FG23A021F512GM40-B Mouser Part # 634-FG23A21F512GM40B NRND	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, XOUT, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	3.017In Stock	$7.104 $5.446 $5.029 $4.567 View $4.348 $4.216 $4.172 $4.117	Min.: 1 Mult.: 1
RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN40 EFR32FG23A020F256GM40-B Silicon Labs 1: $5.830 561In Stock NRND	Mfr. Part # EFR32FG23A020F256GM40-B Mouser Part # 634-FG23A20F256GM40B NRND	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	561In Stock	$5.830 $4.447 $4.095 $3.711 View $3.535 $3.426 $3.382 $3.327	Min.: 1 Mult.: 1
RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, QFN48 EFR32FG23A020F512GM48-B Silicon Labs 1: $7.104 2.672In Stock NRND	Mfr. Part # EFR32FG23A020F512GM48-B Mouser Part # 634-FG23A20F512GM48B NRND	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, QFN48 Learn More about Silicon Labs efr32fg23 socs	Datasheet	2.672In Stock	$7.104 $5.446 $5.029 $4.578 View $4.359 $4.227 $4.183 $4.117	Min.: 1 Mult.: 1
RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN48 EFR32FG23A020F256GM48-B Silicon Labs 1: $6.050 321In Stock NRND	Mfr. Part # EFR32FG23A020F256GM48-B Mouser Part # 634-FG23A20F256GM48B NRND	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN48 Learn More about Silicon Labs efr32fg23 socs	Datasheet	321In Stock	$6.050 $4.611 $4.249 $3.843 View $3.656 $3.535 $3.491 $3.459	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU FG23L, 128kB Flash, 32kB RAM, +14 dBm, QFN40, -40 to +85 C EFR32FG23L010F128GM40-C Silicon Labs 1: $4.183 2.168In Stock New Product	Mfr. Part # EFR32FG23L010F128GM40-C Mouser Part # 634-F23L010F128GM40C New Product	Silicon Labs	32-bit Microcontrollers - MCU FG23L, 128kB Flash, 32kB RAM, +14 dBm, QFN40, -40 to +85 C Learn More about Silicon Labs efr32fg23 socs	Datasheet	2.168In Stock	$4.183 $3.964 $3.689 $3.250 View $3.085 $2.822 $2.756 $2.372	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU FG23L, 128kB Flash, 32kB RAM, +20 dBm, QFN40, -40 to +85 C EFR32FG23L020F128GM40-C Silicon Labs 1: $4.359 2.373In Stock New Product	Mfr. Part # EFR32FG23L020F128GM40-C Mouser Part # 634-F23L020F128GM40C New Product	Silicon Labs	32-bit Microcontrollers - MCU FG23L, 128kB Flash, 32kB RAM, +20 dBm, QFN40, -40 to +85 C Learn More about Silicon Labs efr32fg23 socs	Datasheet	2.373In Stock	$4.359 $3.777 $3.568 $3.283 View $2.997 $2.888 $2.877 $2.481	Min.: 1 Mult.: 1
RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN48 EFR32FG23A010F512GM48-CR Silicon Labs 1: $7.466 6.154In Stock	Mfr. Part # EFR32FG23A010F512GM48-CR Mouser Part # 634-FG2310F512GM48CR	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN48 Learn More about Silicon Labs efr32fg23 socs	Datasheet	6.154In Stock	Cut Tape $7.466 $5.731 $5.292 $4.875 Reel $4.875	Min.: 1 Mult.: 1 : 2.500
RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, Secure Vault-High, +125C, QFN48 EFR32FG23B010F512IM48-BR Silicon Labs 1: $7.181 47In Stock NRND	Mfr. Part # EFR32FG23B010F512IM48-BR Mouser Part # 634-FG23B10F512I48BR NRND	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, Secure Vault-High, +125C, QFN48 Learn More about Silicon Labs efr32fg23 socs	Datasheet	47In Stock	Cut Tape $7.181 $5.501 $5.084 $4.622 View Reel $3.931 $4.403 $4.271 $4.227 $3.931	Min.: 1 Mult.: 1 : 2.500
RF System on a Chip - SoC FG23, Sub-GHz, 128kB Flash, 32kB RAM, +14 dBm, Secure Vault-High, QFN40 EFR32FG23B010F128GM40-B Silicon Labs 1: $6.214 120In Stock NRND	Mfr. Part # EFR32FG23B010F128GM40-B Mouser Part # 634-FG23B10F128GM40B NRND	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 128kB Flash, 32kB RAM, +14 dBm, Secure Vault-High, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	120In Stock	$6.214 $5.182 $4.677 $4.326 View $4.117 $4.051 $4.029 Quote	Min.: 1 Mult.: 1
RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN40 EFR32FG23A010F256GM40-B Silicon Labs 1: $5.676 24In Stock	Mfr. Part # EFR32FG23A010F256GM40-B Mouser Part # 634-FG23A10F256GM40B	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	24In Stock	$5.676 $4.820 $4.524 $4.139 View $3.821 $3.711 $3.634 $3.579 Quote	Min.: 1 Mult.: 1
RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN48 EFR32FG23A010F256GM48-C Silicon Labs 1: $6.149 1.337Expected 10/27/2026	Mfr. Part # EFR32FG23A010F256GM48-C Mouser Part # 634-FG2310F256GM48C	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN48 Learn More about Silicon Labs efr32fg23 socs	Datasheet	1.337Expected 10/27/2026	$6.149 $4.809 $4.425 $4.019 View $3.821 $3.700 $3.656 $3.601	Min.: 1 Mult.: 1
RF System on a Chip - SoC FG23, Sub-GHz, 128kB Flash, 32kB RAM, +14 dBm, Secure Vault-High, QFN40 EFR32FG23B010F128GM40-C Silicon Labs 2.450: $3.711 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # EFR32FG23B010F128GM40-C Mouser Part # 634-FG2310F128GM40C	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 128kB Flash, 32kB RAM, +14 dBm, Secure Vault-High, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	Non-Stocked Lead-Time 12 Weeks	$3.711	Min.: 2.450 Mult.: 2.450
RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN40 EFR32FG23A010F256GM40-CR Silicon Labs 1: $6.094 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # EFR32FG23A010F256GM40-CR Mouser Part # 634-FG2310F256GM40CR	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape $6.094 $4.644 $4.271 $3.876 View Reel $3.481 $3.689 $3.568 $3.524 $3.481	Min.: 1 Mult.: 1 : 2.500
RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN40 EFR32FG23A010F512GM40-CR Silicon Labs 2.500: $4.194 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # EFR32FG23A010F512GM40-CR Mouser Part # 634-FG2310F512GM40CR	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $4.194	Min.: 2.500 Mult.: 2.500 : 2.500
RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, Secure Vault-High, +125C, QFN40 EFR32FG23B010F512IM40-C Silicon Labs 2.450: $4.502 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # EFR32FG23B010F512IM40-C Mouser Part # 634-FG2310F512IM40C	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, Secure Vault-High, +125C, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	Non-Stocked Lead-Time 12 Weeks	$4.502	Min.: 2.450 Mult.: 2.450

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