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

EFM8SB10F8G-A-CSP16
Silicon Labs
1: Rp34.124
1.669In Stock

Mfr. Part No.
EFM8SB10F8G-A-CSP16

Mouser Part No
634-8SB10F8G-A-CSP16

Silicon Labs

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

Learn More

Datasheet

1.669In Stock

Rp34.124

Rp28.803

Rp25.317

Rp22.749

View

Min.: 1
Mult.: 1

SMD/SMT

CSP-16

CIP-51 8051

8 kB

8 bit

12 bit

25 MHz

13 I/O

512 B

1.8 V

3.6 V

- 40 C

+ 85 C

Cut Tape

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

EFM8SB10F8G-A-CSP16R
Silicon Labs
1: Rp35.958
2.678In Stock
7.500Expected 07/12/2026

Mfr. Part No.
EFM8SB10F8G-A-CSP16R

Mouser Part No
634-8SB10F8GA-CSP16R

Silicon Labs

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

Datasheet

2.678In Stock

7.500Expected 07/12/2026

Cut Tape

Rp35.958

Rp29.721

Rp25.684

Rp24.217

Reel

Rp18.346

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

SMD/SMT

CSP-16

CIP-51 8051

8 kB

8 bit

12 bit

25 MHz

13 I/O

256 B

3.6 V

2.2 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB10F16G-C-QFN28R
Silicon Labs
1: Rp49.718
4.493In Stock

Mfr. Part No.
EFM8UB10F16G-C-QFN28R

Mouser Part No
634-8UB10F16GCQFN28R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

4.493In Stock

Cut Tape

Rp49.718

Rp41.829

Rp36.692

Rp34.674

Reel

Rp23.850

View

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-28

CIP-51 8051

16 kB

8 bit

12 bit

50 MHz

22 I/O

2.25 kB

2.2 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB10F8G-C-QFN20
Silicon Labs
1: Rp32.656
2.547In Stock
5.040Expected 11/09/2026

Mfr. Part No.
EFM8UB10F8G-C-QFN20

Mouser Part No
634-8UB10F8GCQFN20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

2.547In Stock

5.040Expected 11/09/2026

Rp32.656

Rp27.702

Rp24.217

Rp22.566

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

CIP-51 8051

8 kB

8 bit

12 bit

50 MHz

13 I/O

2.25 kB

2.2 V

3.6 V

- 40 C

+ 85 C

Tube

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

EFM32GG11B120F2048GQ64-B
Silicon Labs
1: Rp364.168
1.061In Stock

Mfr. Part No.
EFM32GG11B120F2048GQ64-B

Mouser Part No
634-B120F2048GQ64-B

Silicon Labs

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

Learn More

Datasheet

1.061In Stock

Rp364.168

Rp302.526

Rp272.071

Rp259.046

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-64

ARM Cortex M4

2.05 MB

32 bit

12 bit

72 MHz

53 I/O

512 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

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

EFM32GG11B820F2048GL120-B
Silicon Labs
1: Rp409.483
218In Stock

Mfr. Part No.
EFM32GG11B820F2048GL120-B

Mouser Part No
634-B820F2048GL120-B

Silicon Labs

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

Learn More

Datasheet

218In Stock

Rp409.483

Rp335.181

Rp306.011

Rp285.831

View

Min.: 1
Mult.: 1

SMD/SMT

BGA-120

ARM Cortex M4

2.05 MB

32 bit

12 bit

72 MHz

95 I/O

512 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

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

EFM32GG11B820F2048GL192-B
Silicon Labs
1: Rp426.728
788In Stock

Mfr. Part No.
EFM32GG11B820F2048GL192-B

Mouser Part No
634-B820F2048GL192-B

Silicon Labs

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

Learn More

Datasheet

788In Stock

Rp426.728

Rp345.822

Rp318.670

Rp295.004

View

Min.: 1
Mult.: 1

SMD/SMT

BGA-192

ARM Cortex M4

2.05 MB

32 bit

12 bit

72 MHz

144 I/O

512 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

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

EFM32GG11B820F2048GQ64-B
Silicon Labs
1: Rp385.266
779In Stock

Mfr. Part No.
EFM32GG11B820F2048GQ64-B

Mouser Part No
634-B820F2048GQ64-B

Silicon Labs

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

Learn More

Datasheet

779In Stock

Rp385.266

Rp315.184

Rp288.216

Rp265.650

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-64

ARM Cortex M4

2.05 MB

32 bit

12 bit

72 MHz

47 I/O

512 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU

C8051F311-GMR
Silicon Labs
1: Rp239.966
685In Stock
3.000Expected 27/11/2026

Mfr. Part No.
C8051F311-GMR

Mouser Part No
634-C8051F311-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU

Datasheet

685In Stock

3.000Expected 27/11/2026

Cut Tape

Rp239.966

Rp188.047

Rp173.370

Rp158.326

View

Reel

Rp129.706

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-28

8051

16 kB

8 bit

10 bit

25 MHz

25 I/O

1.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN28 OTP available (T321-GM)

C8051F321-GM
Silicon Labs
1: Rp292.619
208In Stock
1.533Expected 27/11/2026

Mfr. Part No.
C8051F321-GM

Mouser Part No
634-C8051F321-GM

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN28 OTP available (T321-GM)

Datasheet

208In Stock

1.533Expected 27/11/2026

Rp292.619

Rp232.444

Rp212.080

Rp195.385

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-28

CIP-51 8051

16 kB

8 bit

10 bit

25 MHz

21 I/O

2.3 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU

C8051F411-GM
Silicon Labs
1: Rp256.661
1.057In Stock
1.533Expected 20/11/2026

Mfr. Part No.
C8051F411-GM

Mouser Part No
634-C8051F411-GM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU

Datasheet

1.057In Stock

1.533Expected 20/11/2026

Rp256.661

Rp206.026

Rp190.798

Rp175.938

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-28

8051

32 kB

8 bit

12 bit

50 MHz

20 I/O

2.31 kB

2 V

5.25 V

- 40 C

+ 85 C

Tube

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

EFM8BB31F16G-D-QFN32R
Silicon Labs
1: Rp34.124
4.177In Stock

Mfr. Part No.
EFM8BB31F16G-D-QFN32R

Mouser Part No
634-EF8BB31F16GDN32R

Silicon Labs

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

Learn More

Datasheet

4.177In Stock

Cut Tape

Rp34.124

Rp28.253

Rp24.400

Rp22.933

Reel

Rp17.337

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

SMD/SMT

QFN-32

CIP-51 8051

16 kB

8 bit

10 bit, 12 bit

50 MHz

29 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F32I-D-4QFN24R
Silicon Labs
1: Rp61.092
1.520In Stock

Mfr. Part No.
EFM8BB31F32I-D-4QFN24R

Mouser Part No
634-EF8BB31F32ID424R

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

1.520In Stock

Cut Tape

Rp61.092

Rp40.178

Rp37.059

Rp32.289

Reel

Rp24.951

View

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-24

CIP-51 8051

32 kB

8 bit

10 bit, 12 bit

50 MHz

20 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F64G-D-QFN24R
Silicon Labs
1: Rp67.330
2.120In Stock

Mfr. Part No.
EFM8BB31F64G-D-QFN24R

Mouser Part No
634-EF8BB31F64GDF24R

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

2.120In Stock

Cut Tape

Rp67.330

Rp45.498

Rp42.196

Rp36.692

Reel

Rp28.436

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-24

CIP-51 8051

64 kB

8 bit

10 bit, 12 bit

50 MHz

20 I/O

4.35 kB

2.2 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F64G-D-QFN24
Silicon Labs
1: Rp46.415
5.987In Stock

Mfr. Part No.
EFM8BB31F64G-D-QFN24

Mouser Part No
634-EF8BB31F64GDQF24

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

5.987In Stock

Rp46.415

Rp39.077

Rp34.124

Rp31.922

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

CIP-51 8051

64 kB

8 bit

10 bit, 12 bit

50 MHz

20 I/O

4.35 kB

2.2 V

3.6 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F64I-D-4QFN24R
Silicon Labs
1: Rp73.934
995In Stock
1.500Expected 30/11/2026

Mfr. Part No.
EFM8BB31F64I-D-4QFN24R

Mouser Part No
634-EF8BB31F64ID424R

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

995In Stock

1.500Expected 30/11/2026

Cut Tape

Rp73.934

Rp48.984

Rp44.581

Rp37.793

Reel

Rp27.886

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-24

CIP-51 8051

64 kB

8 bit

10 bit, 12 bit

50 MHz

20 I/O

4.35 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F64I-D-QFN32
Silicon Labs
1: Rp79.805
1.599In Stock

Mfr. Part No.
EFM8BB31F64I-D-QFN32

Mouser Part No
634-EF8BB31F64IDQN32

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

1.599In Stock

Rp79.805

Rp52.836

Rp48.067

Rp40.912

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

CIP-51 8051

64 kB

8 bit

10 bit, 12 bit

50 MHz

29 I/O

4.35 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Tray

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

EFM32TG11B120F128GQ48-BR
Silicon Labs
1: Rp127.688
860In Stock

Mfr. Part No.
EFM32TG11B120F128GQ48-BR

Mouser Part No
634-EFM32TG128GQ48BR

Silicon Labs

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

Learn More

Datasheet

860In Stock

Cut Tape

Rp127.688

Rp87.877

Rp81.823

Rp71.916

Reel

Rp56.689

View

Min.: 1
Mult.: 1

: 1.000

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, Cut Tape

ARM Microcontrollers - MCU Tiny Gecko MCU IC

EFM32TG222F32-D-QFP48
Silicon Labs
1: Rp103.838
3.138In Stock

Mfr. Part No.
EFM32TG222F32-D-QFP48

Mouser Part No
634-EFM32TG222F32-D

Silicon Labs

ARM Microcontrollers - MCU Tiny Gecko MCU IC

Learn More

Datasheet

3.138In Stock

Rp103.838

Rp86.410

Rp76.136

Rp72.467

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-48

ARM Cortex M3

32 kB

32 bit

12 bit

32 MHz

37 I/O

4 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

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

EFM32TG11B140F64GQ48-B
Silicon Labs
1: Rp120.717
1.021In Stock

Mfr. Part No.
EFM32TG11B140F64GQ48-B

Mouser Part No
634-EFM32TG64GQ48-B

Silicon Labs

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

Learn More

Datasheet

1.021In Stock

Rp120.717

Rp88.611

Rp77.787

Rp72.650

View

Min.: 1
Mult.: 1

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

Tray

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

EFM8BB51F16I-C-QFN20R
Silicon Labs
1: Rp20.364
12.398In Stock

Mfr. Part No.
EFM8BB51F16I-C-QFN20R

Mouser Part No
634-EFM851F16IQFN20R

Silicon Labs

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

Learn More

Datasheet

12.398In Stock

Cut Tape

Rp20.364

Rp17.355

Rp15.227

Rp13.980

Reel

Rp9.870

View

Min.: 1
Mult.: 1

: 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 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

EFM8LB12F32E-C-QFN24R
Silicon Labs
1: Rp74.852
980In Stock

Mfr. Part No.
EFM8LB12F32E-C-QFN24R

Mouser Part No
634-LB12F32ECQFN24R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

980In Stock

Cut Tape

Rp74.852

Rp49.534

Rp45.131

Rp38.343

Reel

Rp29.170

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-24

CIP-51 8051

32 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

20 I/O

2.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU

EFM8LB12F64E-C-QFN24R
Silicon Labs
1: Rp63.477
4.089In Stock

Mfr. Part No.
EFM8LB12F64E-C-QFN24R

Mouser Part No
634-LB12F64ECQFN24R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

4.089In Stock

Cut Tape

Rp63.477

Rp51.919

Rp44.948

Rp42.563

Reel

Rp33.573

View

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-24

CIP-51 8051

64 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

20 I/O

4.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU

EFM8LB12F64E-C-QFN32
Silicon Labs
1: Rp66.413
2.603In Stock

Mfr. Part No.
EFM8LB12F64E-C-QFN32

Mouser Part No
634-LB12F64ECQFN32

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

2.603In Stock

Rp66.413

Rp55.588

Rp48.800

Rp46.232

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

CIP-51 8051

64 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

29 I/O

4.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU

EFM8LB12F64E-C-QFN32R
Silicon Labs
1: Rp65.679
4.062In Stock

Mfr. Part No.
EFM8LB12F64E-C-QFN32R

Mouser Part No
634-LB12F64ECQFN32R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

4.062In Stock

Cut Tape

Rp65.679

Rp53.754

Rp46.599

Rp44.030

Reel

Rp33.206

View

Min.: 1
Mult.: 1

: 2.500

SMD/SMT

QFN-32

CIP-51 8051

64 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

29 I/O

4.25 kB

2.2 V

3.6 V

- 40 C

+ 105 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
4 kB
4.25 kB
4.35 kB
8 kB
8.25 kB
16 kB
32 kB
64 kB