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EFM32 ARM Microcontrollers - MCU

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Tradename = EFM32

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Part #

ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB

EFM32WG280F256-B-QFP100
Silicon Labs
1: $14.45
37In Stock

Mfr. Part No.
EFM32WG280F256-B-QFP100

Mouser Part No
634-WG280F256BQFP100

Silicon Labs

ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB

Learn More

Datasheet

37In Stock

$14.45

$11.21

$10.27

$8.56

View

Min.: 1
Mult.: 1

EFM32WG

SMD/SMT

LQFP-100

ARM Cortex M4

256 kB

32 bit

12 bit

48 MHz

85 I/O

32 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB

EFM32WG880F256-B-QFP100
Silicon Labs
1: $10.63
78In Stock

Mfr. Part No.
EFM32WG880F256-B-QFP100

Mouser Part No
634-WG880F256BQFP100

Silicon Labs

ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB

Learn More

Datasheet

78In Stock

$10.63

$8.25

$7.65

Min.: 1
Mult.: 1

EFM32WG

SMD/SMT

LQFP-100

ARM Cortex M4

256 kB

32 bit

12 bit

48 MHz

85 I/O

32 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB

EFM32LG360F256G-F-CSP81
Silicon Labs
1: $14.14
47In Stock
End of Life

Mfr. Part No.
EFM32LG360F256G-F-CSP81

Mouser Part No
634-LG360F256GFCSP81

End of Life

Silicon Labs

ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB

Learn More

Datasheet

47In Stock

$14.14

$10.74

$10.30

$7.98

$6.88

Min.: 1
Mult.: 1

EFM32LG

SMD/SMT

CSP-81

ARM Cortex M3

256 kB

32 bit

12 bit

48 MHz

65 I/O

32 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES

EFM32GG280F512G-E-QFP100
Silicon Labs
1: $16.11
900Expected 05/06/2026

Mfr. Part No.
EFM32GG280F512G-E-QFP100

Mouser Part No
634-32GG280F512-E

Silicon Labs

ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES

Learn More

Datasheet

900Expected 05/06/2026

$16.11

$12.64

$12.12

$10.68

View

Min.: 1
Mult.: 1

EFM32GG

SMD/SMT

LQFP-100

ARM Cortex M3

512 kB

32 bit

12 bit

48 MHz

85 I/O

128 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB

EFM32LG332F256G-F-QFP64
Silicon Labs
1: $10.00
1,449Expected 02/03/2026

Mfr. Part No.
EFM32LG332F256G-F-QFP64

Mouser Part No
634-32LG332F256GFQFP

Silicon Labs

ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB

Learn More

Datasheet

1,449Expected 02/03/2026

$10.00

$8.29

$7.72

$6.84

View

Min.: 1
Mult.: 1

EFM32LG

SMD/SMT

TQFP-64

ARM Cortex M3

256 kB

32 bit

12 bit

48 MHz

50 I/O

32 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 512 kB USB LCD MCU

EFM32GG12B830F512IL112-A
Silicon Labs
840: $7.46
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32GG12B830F512IL112-A

Mouser Part No
634-12B830F512IL112A

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 512 kB USB LCD MCU

Datasheet

Non-Stocked Lead-Time 12 Weeks

$7.46

Min.: 840
Mult.: 840

EFR32GG12

Tray

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

EFM32TG11B320F128GM64-B
Silicon Labs
1,300: $2.97
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B320F128GM64-B

Mouser Part No
634-1B320F128GM64-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.97

$2.84

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

EFM32TG11

SMD/SMT

QFN-64

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

56 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

EFM32TG11B320F128GM64-BR
Silicon Labs
1,000: $3.09
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B320F128GM64-BR

Mouser Part No
634-1B320F128GM64-BR

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$3.09

$3.02

Min.: 1,000
Mult.: 1,000

Reel: 1,000

EFM32TG11

SMD/SMT

QFN-64

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

56 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Reel

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

EFM32TG11B320F128GQ48-B
Silicon Labs
1: $6.77
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B320F128GQ48-B

Mouser Part No
634-1B320F128GQ48-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$6.77

$4.97

$4.63

$4.07

View

Min.: 1
Mult.: 1

EFM32TG11

SMD/SMT

QFP-48

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

37 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

EFM32TG11B320F128GQ48-BR
Silicon Labs
1,000: $2.92
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B320F128GQ48-BR

Mouser Part No
634-1B320F128GQ48-BR

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$2.92

$2.86

Quote

Min.: 1,000
Mult.: 1,000

Reel: 1,000

EFM32TG11

SMD/SMT

QFP-48

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

37 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Reel

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

EFM32TG11B320F128GQ64-B
Silicon Labs
800: $2.95
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B320F128GQ64-B

Mouser Part No
634-1B320F128GQ64-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.95

$2.85

Min.: 800
Mult.: 800

EFM32TG11

SMD/SMT

QFP-64

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

53 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

EFM32TG11B320F128GQ64-BR
Silicon Labs
1,000: $3.09
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B320F128GQ64-BR

Mouser Part No
634-1B320F128GQ64-BR

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$3.09

Min.: 1,000
Mult.: 1,000

Reel: 1,000

EFM32TG11

SMD/SMT

QFP-64

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

53 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Reel

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

EFM32TG11B320F128IM64-B
Silicon Labs
1,300: $3.27
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B320F128IM64-B

Mouser Part No
634-1B320F128IM64-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$3.27

$3.26

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

EFM32TG11

SMD/SMT

QFN-64

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

56 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

EFM32TG11B320F128IM64-BR
Silicon Labs
1,000: $3.26
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B320F128IM64-BR

Mouser Part No
634-1B320F128IM64-BR

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$3.26

$3.18

Min.: 1,000
Mult.: 1,000

Reel: 1,000

EFM32TG11

SMD/SMT

QFN-64

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

56 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 125 C

Reel

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

EFM32TG11B320F128IQ48-B
Silicon Labs
1,250: $3.10
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B320F128IQ48-B

Mouser Part No
634-1B320F128IQ48-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$3.10

$3.04

Min.: 1,250
Mult.: 1,250

EFM32TG11

SMD/SMT

QFP-48

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

37 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

EFM32TG11B320F128IQ48-BR
Silicon Labs
1,000: $3.09
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B320F128IQ48-BR

Mouser Part No
634-1B320F128IQ48-BR

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$3.09

$3.02

Min.: 1,000
Mult.: 1,000

Reel: 1,000

EFM32TG11

SMD/SMT

QFP-48

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

37 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 125 C

Reel

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

EFM32TG11B320F128IQ64-B
Silicon Labs
800: $3.60
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B320F128IQ64-B

Mouser Part No
634-1B320F128IQ64-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$3.60

$3.53

Min.: 800
Mult.: 800

EFM32TG11

SMD/SMT

QFP-64

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

53 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

EFM32TG11B320F128IQ64-BR
Silicon Labs
1,000: $3.29
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B320F128IQ64-BR

Mouser Part No
634-1B320F128IQ64-BR

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$3.29

$3.21

Min.: 1,000
Mult.: 1,000

Reel: 1,000

EFM32TG11

SMD/SMT

QFP-64

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

53 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 125 C

Reel

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

EFM32TG11B340F64GM64-B
Silicon Labs
1,300: $2.75
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B340F64GM64-B

Mouser Part No
634-1B340F64GM64-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.75

$2.74

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

EFM32TG11

SMD/SMT

QFN-64

ARM Cortex M0+

64 kB

32 bit

12 bit

48 MHz

56 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

EFM32TG11B340F64GM64-BR
Silicon Labs
1,000: $2.69
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B340F64GM64-BR

Mouser Part No
634-1B340F64GM64-BR

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$2.69

$2.62

Min.: 1,000
Mult.: 1,000

Reel: 1,000

EFM32TG11

SMD/SMT

QFN-64

ARM Cortex M0+

64 kB

32 bit

12 bit

48 MHz

56 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Reel

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

EFM32TG11B340F64GQ48-BR
Silicon Labs
1,000: $2.57
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B340F64GQ48-BR

Mouser Part No
634-1B340F64GQ48-BR

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$2.57

$2.53

Min.: 1,000
Mult.: 1,000

Reel: 1,000

EFM32TG11

SMD/SMT

QFP-48

ARM Cortex M0+

64 kB

32 bit

12 bit

48 MHz

37 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Reel

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

EFM32TG11B340F64GQ64-B
Silicon Labs
800: $3.03
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B340F64GQ64-B

Mouser Part No
634-1B340F64GQ64-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$3.03

$2.98

Quote

Min.: 800
Mult.: 800

EFM32TG11

SMD/SMT

QFP-64

ARM Cortex M0+

64 kB

32 bit

12 bit

48 MHz

53 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

EFM32TG11B340F64GQ64-BR
Silicon Labs
1,000: $2.77
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B340F64GQ64-BR

Mouser Part No
634-1B340F64GQ64-BR

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$2.77

$2.71

Quote

Min.: 1,000
Mult.: 1,000

Reel: 1,000

EFM32TG11

SMD/SMT

QFP-64

ARM Cortex M0+

64 kB

32 bit

12 bit

48 MHz

53 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Reel

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

EFM32TG11B340F64IM64-B
Silicon Labs
1,300: $2.93
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B340F64IM64-B

Mouser Part No
634-1B340F64IM64-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.93

$2.92

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

EFM32TG11

SMD/SMT

QFN-64

ARM Cortex M0+

64 kB

32 bit

12 bit

48 MHz

56 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

EFM32TG11B340F64IM64-BR
Silicon Labs
1,000: $2.92
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32TG11B340F64IM64-BR

Mouser Part No
634-1B340F64IM64-BR

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$2.92

$2.86

Quote

Min.: 1,000
Mult.: 1,000

Reel: 1,000

EFM32TG11

SMD/SMT

QFN-64

ARM Cortex M0+

64 kB

32 bit

12 bit

48 MHz

56 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 125 C

Reel

EFM32 ARM Microcontrollers - MCU

Customer Service Office

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BGA-112
BGA-120
BGA-125
BGA-152
BGA-192
BGA-48
CSP-81
LQFP-100
QFN-24
QFN-32
QFN-40
QFN-48
QFN-64
QFN-80
QFP-100
QFP-48
QFP-64
QFP-80
TQFP-48
TQFP-64

17 I/O
18 I/O
20 I/O
22 I/O
24 I/O
26 I/O
29 I/O
32 I/O
33 I/O
34 I/O
35 I/O
37 I/O
47 I/O
48 I/O
50 I/O
51 I/O
52 I/O
53 I/O
54 I/O
56 I/O