RF System on a Chip - SoC

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EFR32xG27 Small 2.4GHz Wireless SoCs

Silicon Labs EFR32xG27 Small 2.4GHz Wireless SoCs are single-die solutions combining a 76.8MHz Cortex-M33 with a high-performance 2.4GHz radio to provide energy-efficient, wireless SoCs for IoT-connected applications. The EFR32BG27 SoCs (WLCSP and QFN packaged) enable BLUETOOTH^® 5.x networking, while the EFR32MG27 components (QFN packaged) permit multiprotocol networking. These devices have boost or buck DC-DC capabilities, allowing for direct power from various battery sources.

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Part #

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN40

EFR32BG27C140F768IM40-B
Silicon Labs
1: $4.72
4,524In Stock

Mfr. Part #
EFR32BG27C140F768IM40-B

Mouser Part #
634-BG27C14068IM40-B

Silicon Labs

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN40

Learn More

Datasheet

4,524In Stock

$4.72

$3.53

$3.23

$2.89

View

Min.: 1
Mult.: 1

BLE

ARM Cortex M33

2.4 GHz

2 Mbps

8 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-40

Tray

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN40

EFR32BG27C230F768IM40-B
Silicon Labs
1: $4.88
2,364In Stock

Mfr. Part #
EFR32BG27C230F768IM40-B

Mouser Part #
634-BG27C23068IM40-B

Silicon Labs

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN40

Learn More

Datasheet

2,364In Stock

$4.88

$3.64

$3.33

$2.98

View

Min.: 1
Mult.: 1

BLE

ARM Cortex M33

2.4 GHz

2 Mbps

6 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-40

Tray

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN40

EFR32MG27C140F768IM40-B
Silicon Labs
1: $6.34
2,668In Stock

Mfr. Part #
EFR32MG27C140F768IM40-B

Mouser Part #
634-MG27C14068IM40-B

Silicon Labs

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN40

Learn More

Datasheet

2,668In Stock

$6.34

$4.78

$4.39

$3.96

View

Min.: 1
Mult.: 1

BLE, Zigbee

ARM Cortex M33

2.4 GHz

2 Mbps

8 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-40

Tray

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN32

EFR32BG27C230F768IM32-B
Silicon Labs
1: $4.81
2,339In Stock

Mfr. Part #
EFR32BG27C230F768IM32-B

Mouser Part #
634-BG27C23068IM32-B

Silicon Labs

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN32

Learn More

Datasheet

2,339In Stock

$4.81

$3.59

$3.28

$2.94

View

Min.: 1
Mult.: 1

BLE

ARM Cortex M33

2.4 GHz

2 Mbps

6 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-32

Tray

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN40

EFR32MG27C230F768IM40-B
Silicon Labs
1: $6.52
4,889In Stock

Mfr. Part #
EFR32MG27C230F768IM40-B

Mouser Part #
634-MG27C23068IM40-B

Silicon Labs

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN40

Learn More

Datasheet

4,889In Stock

$6.52

$4.91

$4.52

$4.08

View

Min.: 1
Mult.: 1

BLE, Zigbee

ARM Cortex M33

2.4 GHz

2 Mbps

6 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-40

Tray

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN32

EFR32MG27C230F768IM32-B
Silicon Labs
1: $6.41
4,881In Stock

Mfr. Part #
EFR32MG27C230F768IM32-B

Mouser Part #
634-MG27C23068IM32-B

Silicon Labs

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN32

Learn More

Datasheet

4,881In Stock

$6.41

$4.84

$4.44

$4.00

View

Min.: 1
Mult.: 1

BLE, Zigbee

ARM Cortex M33

2.4 GHz

2 Mbps

6 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-32

Tray

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN32

EFR32BG27C140F768IM32-B
Silicon Labs
1: $4.64
2,212In Stock

Mfr. Part #
EFR32BG27C140F768IM32-B

Mouser Part #
634-BG27C14068IM32-B

Silicon Labs

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN32

Learn More

Datasheet

2,212In Stock

$4.64

$3.46

$3.15

$2.84

View

Min.: 1
Mult.: 1

BLE

ARM Cortex M33

2.4 GHz

2 Mbps

8 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-32

Tray

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN32

EFR32MG27C140F768IM32-B
Silicon Labs
1: $6.41
2,506In Stock

Mfr. Part #
EFR32MG27C140F768IM32-B

Mouser Part #
634-MG27C14068IM32-B

Silicon Labs

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN32

Learn More

Datasheet

2,506In Stock

$6.41

$5.05

$4.67

$4.20

View

Min.: 1
Mult.: 1

BLE, Zigbee

ARM Cortex M33

2.4 GHz

2 Mbps

8 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-32

Tray

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +4 dBm, +85C, WLCSP39

EFR32BG27C320F768GJ39-BR
Silicon Labs
1: $5.64
414In Stock
24,000Expected 2026-09-11

Mfr. Part #
EFR32BG27C320F768GJ39-BR

Mouser Part #
634-BG2C320F768GJ3BR

Silicon Labs

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +4 dBm, +85C, WLCSP39

Learn More

Datasheet

414In Stock

24,000Expected 2026-09-11

Cut Tape

$5.64

$4.26

$3.92

$3.53

View

Reel

$3.23

Min.: 1
Mult.: 1

: 6,000

BLE

ARM Cortex M33

2.4 GHz

2 Mbps

4 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 85 C

WLCSP-39

Reel, Cut Tape

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN32

EFR32BG27C140F768IM32-BR
Silicon Labs
1: $4.64
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG27C140F768IM32-BR

Mouser Part #
634-BG27C14068IM32BR

Silicon Labs

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN32

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$4.64

$3.46

$3.15

$2.84

$2.79

Reel

$2.78

Min.: 1
Mult.: 1

: 2,500

BLE

ARM Cortex M33

2.4 GHz

2 Mbps

8 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-32

Reel, Cut Tape

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN40

EFR32BG27C140F768IM40-BR
Silicon Labs
2,500: $2.82
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
EFR32BG27C140F768IM40-BR

Mouser Part #
634-BG27C14068IM40BR

Silicon Labs

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN40

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

Reel

$2.82

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

: 2,500

BLE

ARM Cortex M33

2.4 GHz

2 Mbps

8 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-40

Reel

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN32

EFR32BG27C230F768IM32-BR
Silicon Labs
2,500: $2.88
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG27C230F768IM32-BR

Mouser Part #
634-BG27C23068IM32BR

Silicon Labs

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN32

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$2.88

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

: 2,500

BLE

ARM Cortex M33

2.4 GHz

2 Mbps

6 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-32

Reel

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN40

EFR32BG27C230F768IM40-BR
Silicon Labs
2,500: $2.92
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG27C230F768IM40-BR

Mouser Part #
634-BG27C23068IM40BR

Silicon Labs

RF System on a Chip - SoC BG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN40

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$2.92

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

: 2,500

BLE

ARM Cortex M33

2.4 GHz

2 Mbps

6 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-40

Reel

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN32

EFR32MG27C140F768IM32-BR
Silicon Labs
2,500: $3.82
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32MG27C140F768IM32-BR

Mouser Part #
634-MG27C14068IM32BR

Silicon Labs

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN32

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$3.82

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

: 2,500

BLE, Zigbee

ARM Cortex M33

2.4 GHz

2 Mbps

8 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-32

Reel

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN40

EFR32MG27C140F768IM40-BR
Silicon Labs
2,500: $3.90
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32MG27C140F768IM40-BR

Mouser Part #
634-MG27C14068IM40BR

Silicon Labs

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +8 dBm, +125C, QFN40

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$3.90

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

: 2,500

BLE, Zigbee

ARM Cortex M33

2.4 GHz

2 Mbps

8 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-40

Reel

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN32

EFR32MG27C230F768IM32-BR
Silicon Labs
2,500: $3.96
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32MG27C230F768IM32-BR

Mouser Part #
634-MG27C23068IM32BR

Silicon Labs

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN32

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$3.96

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

: 2,500

BLE, Zigbee

ARM Cortex M33

2.4 GHz

2 Mbps

6 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-32

Reel

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN40

EFR32MG27C230F768IM40-BR
Silicon Labs
2,500: $4.03
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32MG27C230F768IM40-BR

Mouser Part #
634-MG27C23068IM40BR

Silicon Labs

RF System on a Chip - SoC MG27, 2.4 GHz, 768kB Flash, 64kB RAM, +6 dBm, +125C, QFN40

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$4.03

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

: 2,500

BLE, Zigbee

ARM Cortex M33

2.4 GHz

2 Mbps

6 dBm

- 96.3 dBm

1.71 V

3.8 V

3.6 mA

11.3 mA

768 kB

- 40 C

+ 125 C

QFN-40

Reel

EFR32xG27 Small 2.4GHz Wireless SoCs

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