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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: $7.747 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 $7.747 $5.947 $5.491 $4.990 View Reel $4.489 $4.762 $4.614 $4.557 $4.489	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: $7.747 4.872In 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	4.872In Stock	$7.747 $5.947 $5.491 $4.990 View $4.762 $4.614 $4.557 $4.489	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: $8.670 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 $8.670 $6.688 $6.186 $5.639 View Reel $5.582 $5.582 $5.582 Quote	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: $8.408 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 $8.408 $6.482 $6.004 $5.469 View Reel $4.671 $5.070 $4.910 $4.671 MouseReel Available	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: $6.824 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 $6.824 $5.229 $4.831 $4.398 View Reel $3.953 $4.193 $4.067 $4.022 $3.953 MouseReel Available	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: $7.075 2.374In 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	2.374In Stock	Cut Tape $7.075 $5.423 $5.013 $4.557 View Reel $4.101 $4.341 $4.215 $4.158 $4.101	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: $8.579 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 $8.579 $6.608 $6.118 $5.582 View Reel $4.762 $5.172 $5.161 $5.001 $4.762	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: $6.893 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	$6.893 $5.252 $4.842 $4.375 View $4.158 $4.033 $3.976 $3.931	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: $6.733 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 $6.733 $5.127 $4.728 $4.284 View Reel $3.851 $4.079 $3.953 $3.896 $3.851	Min.: 1 Mult.: 1 : 2.500
RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN40 EFR32FG23A020F256GM40-B Silicon Labs 1: $6.050 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	$6.050 $4.614 $4.249 $3.851 View $3.668 $3.555 $3.509 $3.452	Min.: 1 Mult.: 1
RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, XOUT, QFN40 EFR32FG23A021F512GM40-B Silicon Labs 1: $7.371 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	$7.371 $5.651 $5.218 $4.739 View $4.512 $4.375 $4.329 $4.272	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: $7.371 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	$7.371 $5.651 $5.218 $4.751 View $4.523 $4.386 $4.341 $4.272	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: $6.277 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	$6.277 $4.785 $4.409 $3.987 View $3.794 $3.668 $3.623 $3.589	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: $4.341 2.166In 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	2.166In Stock	$4.341 $4.113 $3.828 $3.372 View $3.201 $2.928 $2.860 $2.461	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: $4.523 2.371In 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	2.371In Stock	$4.523 $3.919 $3.703 $3.406 View $3.110 $2.996 $2.985 $2.575	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: $7.747 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 $7.747 $5.947 $5.491 $5.058 Reel $5.058	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: $7.451 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 $7.451 $5.708 $5.275 $4.796 View Reel $4.079 $4.568 $4.432 $4.386 $4.079	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: $6.448 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	$6.448 $5.377 $4.853 $4.489 View $4.272 $4.204 $4.181 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: $5.890 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	$5.890 $5.001 $4.694 $4.295 View $3.965 $3.851 $3.771 $3.714 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: $6.380 1.337Expected 11/4/2026	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 11/4/2026	$6.380 $4.990 $4.591 $4.170 View $3.965 $3.839 $3.794 $3.737	Min.: 1 Mult.: 1
RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN48 EFR32FG23A010F256GM48-CR Silicon Labs 1: $7.155 Lead-Time 12 Weeks	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	Lead-Time 12 Weeks	Cut Tape $7.155 $6.403 $5.753 $5.241 View Reel $3.475 $4.739 $4.249 $3.589 $3.475 Quote	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-C Silicon Labs 2.450: $3.851 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	$3.851	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: $6.323 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 $6.323 $4.819 $4.432 $4.022 View Reel $3.612 $3.828 $3.703 $3.657 $3.612	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: $4.352 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 $4.352	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: $4.671 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	$4.671	Min.: 2.450 Mult.: 2.450

EFR32FG23 Flex Gecko Wireless SoCs

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