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Silicon Labs Microcontrollers - MCU

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Types of Microcontrollers - MCU

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Part #

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU

EFM8BB52F32I-C-QFN20R
Silicon Labs
1: £1.23
Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB52F32I-C-QFN20R

Mouser Part No
634-EFM852F32IQFN20R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU

Learn More

Datasheet

Lead-Time 16 Weeks

Cut Tape

£1.23

£0.788

£0.70

£0.576

Reel

£0.355

View

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

QFN-20

16 kB

16 I/O

1.28 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU

EFM8BB51F8G-C-QFN20
Silicon Labs
1: £1.15
294In Stock

Mfr. Part No.
EFM8BB51F8G-C-QFN20

Mouser Part No
634-EFM8B51F8GCQFN20

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU

Learn More

Datasheet

294In Stock

£1.15

£0.588

£0.40

£0.362

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

16 kB

16 I/O

1.28 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB21F16A-C-QFN20
Silicon Labs
1: £2.03
476In Stock
2,520Expected 27/03/2026

Mfr. Part No.
EFM8BB21F16A-C-QFN20

Mouser Part No
634-EFM8BB21F16FN20

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

476In Stock

2,520Expected 27/03/2026

£2.03

£1.70

£1.58

£1.56

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

CIP-51 8051

16 kB

8 bit

12 bit

50 MHz

16 I/O

2.25 kB

2.2 V

3.6 V

- 40 C

+ 125 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU

EFM8BB52F16I-C-QFN32
Silicon Labs
1: £1.20
539In Stock

Mfr. Part No.
EFM8BB52F16I-C-QFN32

Mouser Part No
634-EFMB52F16ICQFN32

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU

Learn More

Datasheet

539In Stock

£1.20

£0.748

£0.645

£0.452

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

16 kB

16 I/O

1.28 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU

C8051F502-IQ
Silicon Labs
1: £8.16
46In Stock
1,250Expected 27/03/2026
End of Life

Mfr. Part No.
C8051F502-IQ

Mouser Part No
634-C8051F502-IQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU

Datasheet

46In Stock

1,250Expected 27/03/2026

£8.16

£6.77

£6.30

£5.75

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

8051

64 kB

8 bit

12 bit

50 MHz

25 I/O

4.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

EFM8SB20F64G-B-QFP32
Silicon Labs
1: £2.23
739In Stock
End of Life

Mfr. Part No.
EFM8SB20F64G-B-QFP32

Mouser Part No
634-EFM8SBF64GBQFP32

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

739In Stock

£2.23

£1.87

£1.74

£1.55

View

Min.: 1
Mult.: 1

SMD/SMT

CIP-51 8051

64 kB

8 bit

10 bit

25 MHz

24 I/O

4.25 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-32-bit 50 MHz 256 kB LCD AES low power MCU

SIM3L167-C-GQ
Silicon Labs
1: £15.37
18In Stock
NRND

Mfr. Part No.
SIM3L167-C-GQ

Mouser Part No
634-SIM3L167-C-GQ

NRND

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-32-bit 50 MHz 256 kB LCD AES low power MCU

Learn More

Datasheet

18In Stock

£15.37

£12.79

£11.99

£10.92

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-80

ARM Cortex M3

256 kB

32 bit

10 bit, 12 bit

50 MHz

62 I/O

32 kB

1.25 V

3.8 V

- 40 C

+ 85 C

Tray

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

EFM32TG11B540F64GQ48-B
Silicon Labs
1: £4.64
250In Stock

Mfr. Part No.
EFM32TG11B540F64GQ48-B

Mouser Part No
634-1B540F64GQ48-B

Silicon Labs

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

Learn More

Datasheet

250In Stock

£4.64

£3.33

£3.10

£2.72

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-48

ARM Cortex M0+

64 kB

32 bit

12 bit

48 MHz

34 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

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

EFM32GG12B130F512GM64-A
Silicon Labs
1: £9.36
4In Stock

Mfr. Part No.
EFM32GG12B130F512GM64-A

Mouser Part No
634-2B130F512GM64A

Silicon Labs

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

Learn More

Datasheet

4In Stock

£9.36

£7.39

£6.91

£6.00

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-64

ARM Cortex M4

512 kB

32 bit

2 x 12 bit

72 MHz

56 I/O

192 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

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

EFM32GG12B330F512GQ100-A
Silicon Labs
1: £9.81
8In Stock

Mfr. Part No.
EFM32GG12B330F512GQ100-A

Mouser Part No
634-2B330F512GQ100A

Silicon Labs

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

Learn More

Datasheet

8In Stock

£9.81

£7.97

£7.60

£6.61

£4.96

Min.: 1
Mult.: 1

SMD/SMT

QFP-100

ARM Cortex M4

512 kB

32 bit

2 x 12 bit

72 MHz

86 I/O

192 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

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

EFM32GG12B430F512GQ100-A
Silicon Labs
1: £10.31
38In Stock

Mfr. Part No.
EFM32GG12B430F512GQ100-A

Mouser Part No
634-2B430F512GQ100A

Silicon Labs

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

Learn More

Datasheet

38In Stock

£10.31

£7.83

£7.51

£6.62

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-100

ARM Cortex M4

512 kB

32 bit

2 x 12 bit

72 MHz

83 I/O

192 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB USB LCD MCU

EFM32GG12B810F1024GQ64-A
Silicon Labs
1: £9.72
8In Stock

Mfr. Part No.
EFM32GG12B810F1024GQ64-A

Mouser Part No
634-2B810F1024GQ64A

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB USB LCD MCU

Learn More

Datasheet

8In Stock

£9.72

£7.73

£7.46

£6.63

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-64

ARM Cortex M4

1.02 MB

32 bit

2 x 12 bit

72 MHz

48 I/O

192 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 64k Flash, 16k RAM, AES

EFM32G230F64G-E-QFN64
Silicon Labs
1: £4.29
215In Stock

Mfr. Part No.
EFM32G230F64G-E-QFN64

Mouser Part No
634-32G230F64GEQFN64

Silicon Labs

ARM Microcontrollers - MCU 64k Flash, 16k RAM, AES

Datasheet

215In Stock

£4.29

£3.56

£3.31

£2.99

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-64

ARM Cortex M3

64 kB

32 bit

12 bit

32 MHz

56 I/O

16 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES

EFM32G280F128G-E-QFP100
Silicon Labs
1: £5.59
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32G280F128G-E-QFP100

Mouser Part No
634-32G280128GEFP100

Silicon Labs

ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES

Datasheet

Non-Stocked Lead-Time 12 Weeks

£5.59

£5.19

£4.72

£3.94

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-100

ARM Cortex M3

128 kB

32 bit

12 bit

32 MHz

86 I/O

16 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 128k Flash, 16k RAM, 4x22 LCD, AES

EFM32G842F128G-E-QFP64
Silicon Labs
1: £7.39
32In Stock

Mfr. Part No.
EFM32G842F128G-E-QFP64

Mouser Part No
634-32G842F128GEFP64

Silicon Labs

ARM Microcontrollers - MCU 128k Flash, 16k RAM, 4x22 LCD, AES

Datasheet

32In Stock

£7.39

£5.55

£5.28

£4.59

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

ARM Cortex M3

128 kB

32 bit

12 bit

32 MHz

53 I/O

16 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES

EFM32GG280F1024G-E-QFP100R
Silicon Labs
1: £12.14
47In Stock

Mfr. Part No.
EFM32GG280F1024G-E-QFP100R

Mouser Part No
634-32GG280F1024-E-T

Silicon Labs

ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES

Learn More

Datasheet

47In Stock

Cut Tape

£12.14

£10.08

£9.43

£8.64

View

Reel

£7.91

Min.: 1
Mult.: 1

Reel: 1,000

SMD/SMT

LQFP-100

ARM Cortex M3

1.02 MB

32 bit

12 bit

48 MHz

85 I/O

128 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Reel, Cut Tape

ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES

EFM32GG290F1024G-E-BGA112
Silicon Labs
1: £14.44
56In Stock

Mfr. Part No.
EFM32GG290F1024G-E-BGA112

Mouser Part No
634-32GG290F1024-E

Silicon Labs

ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES

Learn More

Datasheet

56In Stock

£14.44

£11.96

£11.39

£8.47

View

Min.: 1
Mult.: 1

SMD/SMT

BGA-112

ARM Cortex M3

1.02 MB

32 bit

12 bit

48 MHz

90 I/O

128 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

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

EFM32GG290F512G-E-BGA112
Silicon Labs
1: £10.00
4In Stock

Mfr. Part No.
EFM32GG290F512G-E-BGA112

Mouser Part No
634-32GG290F512-E

Silicon Labs

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

Learn More

Datasheet

4In Stock

£10.00

£8.28

£7.74

£6.87

View

Min.: 1
Mult.: 1

SMD/SMT

BGA-112

ARM Cortex M3

512 kB

32 bit

12 bit

48 MHz

90 I/O

128 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES

EFM32GG330F1024G-E-QFN64
Silicon Labs
1: £12.13
3In Stock

Mfr. Part No.
EFM32GG330F1024G-E-QFN64

Mouser Part No
634-32GG330F1024-E

Silicon Labs

ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES

Learn More

Datasheet

3In Stock

£12.13

£11.16

£9.42

£8.96

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-64

ARM Cortex M3

1.02 MB

32 bit

12 bit

48 MHz

52 I/O

128 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

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

EFM32GG380F512G-E-QFP100
Silicon Labs
1: £11.99
35In Stock

Mfr. Part No.
EFM32GG380F512G-E-QFP100

Mouser Part No
634-32GG380F512-E

Silicon Labs

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

Learn More

Datasheet

35In Stock

£11.99

£8.39

£6.66

Min.: 1
Mult.: 1

SMD/SMT

LQFP-100

ARM Cortex M3

512 kB

32 bit

12 bit

48 MHz

81 I/O

128 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB

EFM32LG330F256G-F-QFN64R
Silicon Labs
1: £8.47
190In Stock

Mfr. Part No.
EFM32LG330F256G-F-QFN64R

Mouser Part No
634-32LG330F256GFQFR

Silicon Labs

ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB

Learn More

Datasheet

190In Stock

Cut Tape

£8.47

£7.07

£6.79

£6.02

View

Reel

£4.68

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

SMD/SMT

QFN-64

ARM Cortex M3

256 kB

32 bit

12 bit

48 MHz

53 I/O

32 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

EFM8SB10F4G-A-QFN20
Silicon Labs
1: £1.77
28In Stock

Mfr. Part No.
EFM8SB10F4G-A-QFN20

Mouser Part No
634-8SB10F4GAQF20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

28In Stock

£1.77

£1.14

£1.02

£0.773

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

CIP-51 8051

4 kB

8 bit

12 bit

25 MHz

16 I/O

512 B

1.8 V

3.6 V

- 40 C

+ 85 C

Tube

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB USB LCD MCU

EFM32GG12B410F1024GQ100-AR
Silicon Labs
1: £11.39
56In Stock

Mfr. Part No.
EFM32GG12B410F1024GQ100-AR

Mouser Part No
634-B410F1024GQ100AR

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB USB LCD MCU

Learn More

Datasheet

56In Stock

Cut Tape

£11.39

£8.65

£8.29

£7.31

View

Reel

£5.95

Min.: 1
Mult.: 1

Reel: 1,000

SMD/SMT

QFP-100

ARM Cortex M4

1 MB

32 bit

12 bit

72 MHz

81 I/O

192 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Reel, Cut Tape

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU

EFM32GG11B820F2048GL152-B
Silicon Labs
1: £11.93
13In Stock

Mfr. Part No.
EFM32GG11B820F2048GL152-B

Mouser Part No
634-B820F2048GL152-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU

Learn More

Datasheet

13In Stock

£11.93

£9.91

£9.28

£9.27

Min.: 1
Mult.: 1

SMD/SMT

BGA-152

ARM Cortex M4

2.05 MB

32 bit

12 bit

72 MHz

121 I/O

512 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)

C8051F381-GMR
Silicon Labs
1: £4.62
90In Stock

Mfr. Part No.
C8051F381-GMR

Mouser Part No
634-C8051F381-GMR

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)

Datasheet

90In Stock

Cut Tape

£4.62

£3.83

£3.57

£3.22

View

Reel

£2.78

Min.: 1
Mult.: 1

Reel: 1,500

SMD/SMT

QFN-32

8051

64 kB

8 bit

10 bit

48 MHz

25 I/O

4.25 kB

2.7 V

5.25 V

- 40 C

+ 85 C

Reel, Cut Tape

Silicon Labs Microcontrollers - MCU

Types of Microcontrollers - MCU

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BGA-112
BGA-120
BGA-125
BGA-136
BGA-152
BGA-192
BGA-48
CSP-16
CSP-81
LGA-92
LQFP-100
LQFP-32
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20
QFN-24
QFN-28
QFN-32

6 I/O
8 I/O
9 I/O
12 I/O
13 I/O
15 I/O
16 I/O
17 I/O
18 I/O
20 I/O
21 I/O
22 I/O
24 I/O
25 I/O
26 I/O
28 I/O
29 I/O
32 I/O
33 I/O
34 I/O

128 B
256 B
512 B
768 B
1 kB
1.25 kB
1.28 kB
1.54 kB
2 kB
2.25 kB
2.3 kB
2.31 kB
3.25 kB
4 kB
4.25 kB
4.35 kB
8 kB
8.25 kB
16 kB
32 kB