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Blue Gecko Bluetooth® Low Energy SoCs

Silicon Labs Blue Gecko BLUETOOTH^® Low Energy (BLE) SoCs add BLE connectivity to IoT devices with an energy-efficient Arm^® Cortex^®-M4 based wireless BLUETOOTH chip. These SoCs help to develop powerful applications with up to 1MB Flash and 32-bit ARM Cortex-M4 MCU. The Blue Gecko BLE SoCs offer an extended range with an integrated power amplifier that delivers up to 19dBm output power. These devices also minimize power consumption with fast MCU wake-up times, autonomous operation of peripherals, and low energy modes. The Blue Gecko SoCs deliver a 2x increase in throughput and a 4x increase in range with BLUETOOTH 5 compatibility.

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Part #

RF System on a Chip - SoC Blue Gecko QFN48 2.4 G 19 dB BLE/Proprietary 512 kB 64 kB(RAM) 31GPIO

EFR32BG13P732F512GM48-DR
Silicon Labs
1: $11.12
30,443In Stock

Mfr. Part #
EFR32BG13P732F512GM48-DR

Mouser Part #
634-BGP732F512GM48DR

RF System on a Chip - SoC Blue Gecko QFN48 2.4 G 19 dB BLE/Proprietary 512 kB 64 kB(RAM) 31GPIO

Datasheet

30,443In Stock

Cut Tape

$11.12

$8.57

$7.93

$7.23

View

Reel

$6.18

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

RF System on a Chip - SoC Blue Gecko BLE Soc QFN48 2.4 G 10 dB BLE/Proprietary 512 kB 64 kB(RAM) 31GPIO

EFR32BG13P632F512GM48-DR
Silicon Labs
1: $11.88
1,965In Stock

Mfr. Part #
EFR32BG13P632F512GM48-DR

Mouser Part #
634-BGP632F512GM48DR

RF System on a Chip - SoC Blue Gecko BLE Soc QFN48 2.4 G 10 dB BLE/Proprietary 512 kB 64 kB(RAM) 31GPIO

Datasheet

1,965In Stock

Cut Tape

$11.88

$9.16

$8.48

$7.73

View

Reel

$5.89

Min.: 1
Mult.: 1

: 2,500

RF System on a Chip - SoC Blue Gecko QFN48 2.4 G 19 dB BLE/Proprietary 512 kB 64 kB(RAM) 31GPIO

EFR32BG13P732F512GM48-D
Silicon Labs
1: $11.13
1,928In Stock

Mfr. Part #
EFR32BG13P732F512GM48-D

Mouser Part #
634-BGP732F512GM48D

RF System on a Chip - SoC Blue Gecko QFN48 2.4 G 19 dB BLE/Proprietary 512 kB 64 kB(RAM) 31GPIO

Datasheet

1,928In Stock

$11.13

$8.58

$7.95

$7.24

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC Blue Gecko QFN48 2.4 G 0 dB BLE/Proprietary 512 kB 64 kB(RAM) 31GPIO

EFR32BG13P532F512GM48-D
Silicon Labs
1: $11.15
695In Stock

Mfr. Part #
EFR32BG13P532F512GM48-D

Mouser Part #
634-BGP532F512GM48D

RF System on a Chip - SoC Blue Gecko QFN48 2.4 G 0 dB BLE/Proprietary 512 kB 64 kB(RAM) 31GPIO

Datasheet

695In Stock

$11.15

$8.22

$7.57

$7.06

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC Blue Gecko BLE SoC QFN48 2.4 G 0 dB BLE/Proprietary 1024 kB 128 kB(RAM) 31GPIO

EFR32BG12P132F1024GM48-C
Silicon Labs
1: $12.38
489In Stock

Mfr. Part #
EFR32BG12P132F1024GM48-C

Mouser Part #
634-BG12P132GM48-C

RF System on a Chip - SoC Blue Gecko BLE SoC QFN48 2.4 G 0 dB BLE/Proprietary 1024 kB 128 kB(RAM) 31GPIO

Datasheet

489In Stock

$12.38

$10.28

$9.52

$8.80

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB flash, 32 kB RAM, +10.5 dBm, QFN32, BLE

EFR32BG1B232F256GM32-C0
Silicon Labs
1: $7.37
290In Stock

Mfr. Part #
EFR32BG1B232F256GM32-C0

Mouser Part #
634-EFR32BG1B25632C0

RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB flash, 32 kB RAM, +10.5 dBm, QFN32, BLE

Datasheet

290In Stock

$7.37

$5.62

$5.17

$4.69

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC Blue Gecko QFN48 Dual 19 dB BLE/Proprietary 512 kB 64 kB(RAM) 31GPIO

EFR32BG13P733F512GM48-D
Silicon Labs
1: $14.62
135In Stock

Mfr. Part #
EFR32BG13P733F512GM48-D

Mouser Part #
634-BGP733F512GM48D

RF System on a Chip - SoC Blue Gecko QFN48 Dual 19 dB BLE/Proprietary 512 kB 64 kB(RAM) 31GPIO

Datasheet

135In Stock

$14.62

$11.69

$10.86

$9.94

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC Blue Gecko BLE SoC QFN48 2.4 G 10 dB BLE/proprietary 512 kB 64 kB (RAM) 16GPIO

EFR32BG13P632F512GM32-DR
Silicon Labs
1: $9.86
4,897In Stock
5,000Expected 2026-08-11

Mfr. Part #
EFR32BG13P632F512GM32-DR

Mouser Part #
634-BGP632F512GM32DR

RF System on a Chip - SoC Blue Gecko BLE SoC QFN48 2.4 G 10 dB BLE/proprietary 512 kB 64 kB (RAM) 16GPIO

Datasheet

4,897In Stock

5,000Expected 2026-08-11

Cut Tape

$9.86

$7.56

$6.98

$6.36

$6.29

Reel

$5.34

Min.: 1
Mult.: 1

: 2,500

RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB Flash, 32 kB RAM, +10.5 dBm, QFN48, BLE

EFR32BG1B232F256GM48-C0
Silicon Labs
1: $7.72
208In Stock

Mfr. Part #
EFR32BG1B232F256GM48-C0

Mouser Part #
634-EFR32BG232FGM48C

RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB Flash, 32 kB RAM, +10.5 dBm, QFN48, BLE

Datasheet

208In Stock

$7.72

$5.89

$5.43

$4.91

View

Min.: 1
Mult.: 1

Development Boards & Kits - Wireless EFR32BG12 2.4 GHz 10 dBm Radio Board. Requires a WSTK main board provided in SLWSTK602xA Starter Kit

SLWRB4103A
Silicon Labs
1: $70.56
1In Stock

Mfr. Part #
SLWRB4103A

Mouser Part #
634-SLWRB4103A

Development Boards & Kits - Wireless EFR32BG12 2.4 GHz 10 dBm Radio Board. Requires a WSTK main board provided in SLWSTK602xA Starter Kit

Datasheet

1In Stock

$70.56

Min.: 1
Mult.: 1

RF System on a Chip - SoC Blue Gecko BLE SoC BGA125 2.4 G 19 dB BLE/proprietary 1024 kB 256 kB (RAM) 65GPIO

EFR32BG12P432F1024GL125-C
Silicon Labs
1: $18.75
15In Stock

Mfr. Part #
EFR32BG12P432F1024GL125-C

Mouser Part #
634-BG12P432GL125-C

RF System on a Chip - SoC Blue Gecko BLE SoC BGA125 2.4 G 19 dB BLE/proprietary 1024 kB 256 kB (RAM) 65GPIO

Datasheet

15In Stock

$18.75

$14.69

$13.67

$12.56

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC Blue Gecko BLE SoC QFN48 2.4 G 19 dB BLE/proprietary 1024 kB 256 kB (RAM) 31GPIO

EFR32BG12P432F1024GM48-C
Silicon Labs
1: $20.22
4In Stock

Mfr. Part #
EFR32BG12P432F1024GM48-C

Mouser Part #
634-BG12P432GM48-C

RF System on a Chip - SoC Blue Gecko BLE SoC QFN48 2.4 G 19 dB BLE/proprietary 1024 kB 256 kB (RAM) 31GPIO

Datasheet

4In Stock

$20.22

$15.84

$14.75

$13.54

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB Flash, 32 kB RAM, +3 dBm, QFN32

EFR32BG1B132F256GM32-C0
Silicon Labs
1: $7.37
2,448Expected 2026-07-29

Mfr. Part #
EFR32BG1B132F256GM32-C0

Mouser Part #
634-EFR32BG1B13M32C0

RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB Flash, 32 kB RAM, +3 dBm, QFN32

Datasheet

2,448Expected 2026-07-29

$7.37

$5.63

$5.18

$4.69

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB Flash, 32 kB RAM, +3 dBm, QFN32

EFR32BG1B132F256GM32-C0R
Silicon Labs
1: $7.37
2,500Expected 2026-10-09

Mfr. Part #
EFR32BG1B132F256GM32-C0R

Mouser Part #
634-EFR32BG1BGM32CR

RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB Flash, 32 kB RAM, +3 dBm, QFN32

Datasheet

2,500Expected 2026-10-09

Cut Tape

$7.37

$5.63

$5.18

$4.69

View

Reel

$3.69

Min.: 1
Mult.: 1

: 2,500

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 2.4 G 10 dB BLE/proprietary 1024 kB 128 kB (RAM) 46GPIO

EFR32BG12P232F1024GM68-C
Silicon Labs
1,300: $9.65
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG12P232F1024GM68-C

Mouser Part #
634-12P232F1024GM68C

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 2.4 G 10 dB BLE/proprietary 1024 kB 128 kB (RAM) 46GPIO

Datasheet

Non-Stocked Lead-Time 12 Weeks

$9.65

Quote

Min.: 1,300
Mult.: 1,300

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 2.4 G 10 dB BLE/proprietary 1024 kB 128 kB (RAM) 46GPIO

EFR32BG12P232F1024GM68-CR
Silicon Labs
1: $15.94
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG12P232F1024GM68-CR

Mouser Part #
634-12P232F1024GM68R

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 2.4 G 10 dB BLE/proprietary 1024 kB 128 kB (RAM) 46GPIO

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$15.94

$12.44

$11.56

$10.60

View

Reel

$9.19

Min.: 1
Mult.: 1

: 2,500

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 2.4 G 10 dB BLE/proprietary 512 kB 64 kB (RAM) 46GPIO

EFR32BG12P232F512GM68-C
Silicon Labs
1,300: $7.01
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG12P232F512GM68-C

Mouser Part #
634-12P232F512GM68C

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 2.4 G 10 dB BLE/proprietary 512 kB 64 kB (RAM) 46GPIO

Datasheet

Non-Stocked Lead-Time 12 Weeks

$7.01

Quote

Min.: 1,300
Mult.: 1,300

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 2.4 G 10 dB BLE/proprietary 512 kB 64 kB (RAM) 46GPIO

EFR32BG12P232F512GM68-CR
Silicon Labs
2,500: $6.68
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG12P232F512GM68-CR

Mouser Part #
634-12P232F512GM68CR

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 2.4 G 10 dB BLE/proprietary 512 kB 64 kB (RAM) 46GPIO

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$6.68

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

: 2,500

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 Dual 19 dB BLE/Proprietary 1024 kB 256 kB (RAM) 46GPIO

EFR32BG12P433F1024GM68-C
Silicon Labs
1,300: $13.19
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG12P433F1024GM68-C

Mouser Part #
634-12P433F1024GM68C

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 Dual 19 dB BLE/Proprietary 1024 kB 256 kB (RAM) 46GPIO

Datasheet

Non-Stocked Lead-Time 12 Weeks

$13.19

Quote

Min.: 1,300
Mult.: 1,300

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 Dual 19 dB BLE/Proprietary 1024 kB 256 kB (RAM) 46GPIO

EFR32BG12P433F1024GM68-CR
Silicon Labs
2,500: $12.48
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG12P433F1024GM68-CR

Mouser Part #
634-12P433F1024GM68R

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 Dual 19 dB BLE/Proprietary 1024 kB 256 kB (RAM) 46GPIO

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$12.48

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

: 2,500

RF System on a Chip - SoC Blue Gecko BLE SoC BGA125 2.4 G 0 dB BLE/proprietary 1024 kB 128 kB(RAM) 65GPIO

EFR32BG12P132F1024GL125-C
Silicon Labs
1,300: $8.68
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG12P132F1024GL125-C

Mouser Part #
634-BG12P132GL125-C

RF System on a Chip - SoC Blue Gecko BLE SoC BGA125 2.4 G 0 dB BLE/proprietary 1024 kB 128 kB(RAM) 65GPIO

Datasheet

Non-Stocked Lead-Time 12 Weeks

$8.68

Quote

Min.: 1,300
Mult.: 1,300

RF System on a Chip - SoC Blue Gecko BLE SoC BGA125 2.4 G 0 dB BLE/proprietary 1024 kB 128 kB(RAM) 65GPIO

EFR32BG12P132F1024GL125-CR
Silicon Labs
2,500: $8.21
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG12P132F1024GL125-CR

Mouser Part #
634-BG12P132GL125-CR

RF System on a Chip - SoC Blue Gecko BLE SoC BGA125 2.4 G 0 dB BLE/proprietary 1024 kB 128 kB(RAM) 65GPIO

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$8.21

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

: 2,500

RF System on a Chip - SoC Blue Gecko BLE SoC QFN48 2.4 G 0 dB BLE/Proprietary 1024 kB 128 kB(RAM) 31GPIO

EFR32BG12P132F1024GM48-CR
Silicon Labs
2,500: $7.52
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG12P132F1024GM48-CR

Mouser Part #
634-BG12P132GM48-CR

RF System on a Chip - SoC Blue Gecko BLE SoC QFN48 2.4 G 0 dB BLE/Proprietary 1024 kB 128 kB(RAM) 31GPIO

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$7.52

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

: 2,500

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 2.4 G 10 dB BLE/proprietary 1024 kB 128 kB (RAM) 46GPIO, +125

EFR32BG12P232F1024IM68-C
Silicon Labs
1,300: $10.11
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG12P232F1024IM68-C

Mouser Part #
634-BG12P232F102468C

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 2.4 G 10 dB BLE/proprietary 1024 kB 128 kB (RAM) 46GPIO, +125

Datasheet

Non-Stocked Lead-Time 12 Weeks

$10.11

Quote

Min.: 1,300
Mult.: 1,300

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 2.4 G 10 dB BLE/proprietary 1024 kB 128 kB (RAM) 46GPIO, +125

EFR32BG12P232F1024IM68-CR
Silicon Labs
2,500: $9.62
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFR32BG12P232F1024IM68-CR

Mouser Part #
634-BG12P232F10248CR

RF System on a Chip - SoC Blue Gecko BLE SoC QFN68 2.4 G 10 dB BLE/proprietary 1024 kB 128 kB (RAM) 46GPIO, +125

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$9.62

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

: 2,500