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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 loT 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, low power consumption with fast wakeup times. An integrated power amplifier to enable the next generation of secure connectivity for loT devices. 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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Part #

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, XOUT, QFN40

EFR32FG23A011F512GM40-CR
Silicon Labs
1: $12.38
9,125In Stock

Mfr. Part No.
EFR32FG23A011F512GM40-CR

Mouser Part No
634-FG2311F512GM40CR

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, XOUT, QFN40

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Datasheet

9,125In Stock

Cut Tape

$12.38

$9.49

$8.85

$7.78

View

Reel

$5.33

Min.: 1
Mult.: 1

Reel: 2,500

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: $13.57
4,762In Stock

Mfr. Part No.
EFR32FG23B010F512IM48-CR

Mouser Part No
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

Datasheet

4,762In Stock

Cut Tape

$13.57

$9.47

$9.04

$7.84

View

Reel

$5.89

Min.: 1
Mult.: 1

Reel: 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: $13.06
2,355In Stock

Mfr. Part No.
EFR32FG23B010F512IM40-CR

Mouser Part No
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

Datasheet

2,355In Stock

Cut Tape

$13.06

$9.22

$8.78

$7.63

View

Reel

$5.87

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN48

EFR32FG23A010F256GM48-CR
Silicon Labs
1: $7.89
1,188In Stock

Mfr. Part No.
EFR32FG23A010F256GM48-CR

Mouser Part No
634-FG2310F256GM48CR

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN48

Learn More

Datasheet

1,188In Stock

Cut Tape

$7.89

$6.82

$6.45

$5.94

View

Reel

$4.64

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN40

EFR32FG23A020F256GM40-CR
Silicon Labs
1: $11.23
3,964In Stock

Mfr. Part No.
EFR32FG23A020F256GM40-CR

Mouser Part No
634-FG2320F256GM40CR

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN40

Learn More

Datasheet

3,964In Stock

Cut Tape

$11.23

$8.35

$7.78

$6.85

View

Reel

$4.83

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN48

EFR32FG23A010F256GM48-C
Silicon Labs
1: $9.23
2,422In Stock

Mfr. Part No.
EFR32FG23A010F256GM48-C

Mouser Part No
634-FG2310F256GM48C

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN48

Learn More

Datasheet

2,422In Stock

$9.23

$8.03

$6.75

$6.10

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN48

EFR32FG23A010F512GM48-B
Silicon Labs
1: $9.38
6,135In Stock
NRND

Mfr. Part No.
EFR32FG23A010F512GM48-B

Mouser Part No
634-FG23A10F512GM48B

NRND

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN48

Learn More

Datasheet

6,135In Stock

$9.38

$8.13

$7.44

$7.42

View

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: $10.86
1,820In Stock

Mfr. Part No.
EFR32FG23B010F128GM40-CR

Mouser Part No
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

Datasheet

1,820In Stock

Cut Tape

$10.86

$8.08

$7.54

$6.62

View

Reel

$4.77

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC FG23, Sub-GHz, 128kB Flash, 32kB RAM, +20 dBm, Secure Vault-High, QFN40

EFR32FG23B020F128GM40-CR
Silicon Labs
1: $11.66
2,500In Stock

Mfr. Part No.
EFR32FG23B020F128GM40-CR

Mouser Part No
634-FG2320F128GM40CR

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 128kB Flash, 32kB RAM, +20 dBm, Secure Vault-High, QFN40

Learn More

Datasheet

2,500In Stock

Cut Tape

$11.66

$8.85

$8.26

$7.25

View

Reel

$5.41

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, XOUT, QFN40

EFR32FG23A021F512GM40-CR
Silicon Labs
1: $13.20
2,410In Stock

Mfr. Part No.
EFR32FG23A021F512GM40-CR

Mouser Part No
634-FG2321F512GM40CR

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, XOUT, QFN40

Learn More

Datasheet

2,410In Stock

Cut Tape

$13.20

$9.39

$8.96

$7.78

View

Reel

$5.98

Min.: 1
Mult.: 1

Reel: 2,500

32-bit Microcontrollers - MCU FG23L, 128kB Flash, 32kB RAM, +14 dBm, QFN40, -40 to +85 C

EFR32FG23L010F128GM40-C
Silicon Labs
1: $5.47
2,321In Stock
New Product

Mfr. Part No.
EFR32FG23L010F128GM40-C

Mouser Part No
634-F23L010F128GM40C

New Product

Silicon Labs

32-bit Microcontrollers - MCU FG23L, 128kB Flash, 32kB RAM, +14 dBm, QFN40, -40 to +85 C

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Datasheet

2,321In Stock

$5.47

$4.72

$4.46

$4.11

View

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: $5.94
2,333In Stock
New Product

Mfr. Part No.
EFR32FG23L020F128GM40-C

Mouser Part No
634-F23L020F128GM40C

New Product

Silicon Labs

32-bit Microcontrollers - MCU FG23L, 128kB Flash, 32kB RAM, +20 dBm, QFN40, -40 to +85 C

Learn More

Datasheet

2,333In Stock

$5.94

$5.14

$4.85

$4.46

View

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: $10.16
3,017In Stock
NRND

Mfr. Part No.
EFR32FG23A021F512GM40-B

Mouser Part No
634-FG23A21F512GM40B

NRND

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, XOUT, QFN40

Learn More

Datasheet

3,017In Stock

$10.16

$8.80

$7.70

$7.68

View

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: $10.16
2,703In Stock
NRND

Mfr. Part No.
EFR32FG23A020F512GM48-B

Mouser Part No
634-FG23A20F512GM48B

NRND

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, QFN48

Learn More

Datasheet

2,703In Stock

$10.16

$5.68

$5.62

$5.39

Quote

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: $9.82
564In Stock
NRND

Mfr. Part No.
EFR32FG23A020F256GM40-B

Mouser Part No
634-FG23A20F256GM40B

NRND

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN40

Learn More

Datasheet

564In Stock

$9.82

$8.35

$7.18

$6.50

View

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: $10.18
331In Stock
NRND

Mfr. Part No.
EFR32FG23A020F256GM48-B

Mouser Part No
634-FG23A20F256GM48B

NRND

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN48

Learn More

Datasheet

331In Stock

$10.18

$8.66

$7.46

$6.72

View

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: $12.40
9,990In Stock

Mfr. Part No.
EFR32FG23A010F512GM48-CR

Mouser Part No
634-FG2310F512GM48CR

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN48

Learn More

Datasheet

9,990In Stock

Cut Tape

$12.40

$9.50

$8.86

$7.79

View

Reel

$5.58

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN40

EFR32FG23A010F256GM40-CR
Silicon Labs
1: $10.45
2,127In Stock

Mfr. Part No.
EFR32FG23A010F256GM40-CR

Mouser Part No
634-FG2310F256GM40CR

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN40

Learn More

Datasheet

2,127In Stock

Cut Tape

$10.45

$7.58

$7.07

$6.21

View

Reel

$4.48

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN48

EFR32FG23A010F512GM48-C
Silicon Labs
1: $11.18
770In Stock
2,450Expected 3/03/2026

Mfr. Part No.
EFR32FG23A010F512GM48-C

Mouser Part No
634-FG2310F512GM48C

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN48

Learn More

Datasheet

770In Stock

2,450Expected 3/03/2026

$11.18

$9.73

$8.19

$7.39

View

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-BR
Silicon Labs
1: $13.34
49In Stock
NRND

Mfr. Part No.
EFR32FG23B010F512IM48-BR

Mouser Part No
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

Datasheet

49In Stock

Cut Tape

$13.34

$9.49

$9.06

$7.86

View

Reel

$5.73

Min.: 1
Mult.: 1

Reel: 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: $9.50
120In Stock
NRND

Mfr. Part No.
EFR32FG23B010F128GM40-B

Mouser Part No
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

Datasheet

120In Stock

$9.50

$8.27

$6.96

$6.27

View

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: $9.38
24In Stock

Mfr. Part No.
EFR32FG23A010F256GM40-B

Mouser Part No
634-FG23A10F256GM40B

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN40

Learn More

Datasheet

24In Stock

$9.38

$7.23

$5.89

$5.38

View

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: $4.77
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFR32FG23B010F128GM40-C

Mouser Part No
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

Datasheet

Non-Stocked Lead-Time 12 Weeks

$4.77

Min.: 2,450
Mult.: 2,450

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN40

EFR32FG23A010F512GM40-CR
Silicon Labs
2,500: $5.39
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFR32FG23A010F512GM40-CR

Mouser Part No
634-FG2310F512GM40CR

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN40

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$5.39

Min.: 2,500
Mult.: 2,500

Reel: 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: $5.90
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFR32FG23B010F512IM40-C

Mouser Part No
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

Datasheet

Non-Stocked Lead-Time 12 Weeks

$5.90

Min.: 2,450
Mult.: 2,450

EFR32FG23 Flex Gecko Wireless SoCs

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