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Silicon Labs EFM8 8-bit Microcontrollers - MCU

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Manufacturer = Silicon Labs Tradename = EFM8

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Part #

8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB20F32G-B-QFN32R
Silicon Labs
1: Rp61.276
10.557In Stock

Mfr. Part No.
EFM8UB20F32G-B-QFN32R

Mouser Part No
634-EFM8UB32GBQFN32R

Silicon Labs

8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

10.557In Stock

Cut Tape

Rp61.276

Rp50.085

Rp43.480

Rp41.095

Reel

Rp31.005

View

Min.: 1
Mult.: 1

: 1.500

EFM8UB2

Reel, Cut Tape

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

EFM8UB10F8G-C-QFN20R
Silicon Labs
1: Rp26.051
52.913In Stock

Mfr. Part No.
EFM8UB10F8G-C-QFN20R

Mouser Part No
634-8UB10F8GCQFN20R

Silicon Labs

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

Datasheet

52.913In Stock

Cut Tape

Rp26.051

Rp20.364

Rp18.309

Rp17.062

Reel

Rp15.172

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

8 kB

2.25 kB

QFN-20

50 MHz

12 bit

13 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8UB

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-QFN24
Silicon Labs
1: Rp60.542
13.008In Stock

Mfr. Part No.
EFM8LB12F64E-C-QFN24

Mouser Part No
634-LB12F64ECQFN24

Silicon Labs

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

Learn More

Datasheet

13.008In Stock

Rp60.542

Rp50.635

Rp44.397

Rp41.645

View

Min.: 1
Mult.: 1

CIP-51 8051

64 kB

4.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tube

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

EFM8SB10F8A-A-QFN24
Silicon Labs
1: Rp88.244
1.531In Stock

Mfr. Part No.
EFM8SB10F8A-A-QFN24

Mouser Part No
634-FM8SB10F8AAQFN24

Silicon Labs

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

Learn More

Datasheet

1.531In Stock

Rp88.244

Rp58.340

Rp52.103

Rp45.315

View

Min.: 1
Mult.: 1

CIP-51 8051

8 kB

512 B

25 MHz

12 bit

17 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

AEC-Q100

Tube

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

EFM8SB20F64G-B-QFN24
Silicon Labs
1: Rp52.103
2.683In Stock

Mfr. Part No.
EFM8SB20F64G-B-QFN24

Mouser Part No
634-EFM8SBF64GBQFN24

Silicon Labs

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

Learn More

Datasheet

2.683In Stock

Rp52.103

Rp43.663

Rp36.509

Rp34.674

View

Min.: 1
Mult.: 1

CIP-51 8051

64 kB

4.25 kB

QFN-24

25 MHz

10 bit

16 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

Tube

8-bit Microcontrollers - MCU

EFM8LB11F16ES0-C-QFN24R
Silicon Labs
1: Rp61.276
1.500In Stock

Mfr. Part No.
EFM8LB11F16ES0-C-QFN24R

Mouser Part No
634-LB11F16ES0CFN24R

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

1.500In Stock

Cut Tape

Rp61.276

Rp40.361

Rp37.242

Rp32.472

Reel

Rp21.465

View

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

16 kB

1.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel, Cut Tape

8-bit Microcontrollers - MCU

EFM8LB12F32ES0-C-QFN24R
Silicon Labs
1: Rp74.852
1.265In Stock

Mfr. Part No.
EFM8LB12F32ES0-C-QFN24R

Mouser Part No
634-LB12F32ES0CFN24R

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

1.265In Stock

Cut Tape

Rp74.852

Rp49.534

Rp45.131

Rp38.343

Reel

Rp27.336

View

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

32 kB

2.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

EFM8LB11F16E-C-QFN24
Silicon Labs
1: Rp61.276
2.259In Stock

Mfr. Part No.
EFM8LB11F16E-C-QFN24

Mouser Part No
634-LB11F16ECQFN24

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

2.259In Stock

Rp61.276

Rp40.361

Rp37.242

Rp32.472

View

Min.: 1
Mult.: 1

CIP-51 8051

16 kB

1.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tube

8-bit Microcontrollers - MCU

EFM8LB11F32ES0-C-QFN24R
Silicon Labs
1: Rp70.449
1.499In Stock

Mfr. Part No.
EFM8LB11F32ES0-C-QFN24R

Mouser Part No
634-LB11F32ES0CFN24R

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

1.499In Stock

Cut Tape

Rp70.449

Rp47.700

Rp44.214

Rp38.343

Reel

Rp25.684

View

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

32 kB

2.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel, Cut Tape

8-bit Microcontrollers - MCU

EFM8LB12F64ES1-C-QFN24
Silicon Labs
1: Rp60.542
1.274In Stock

Mfr. Part No.
EFM8LB12F64ES1-C-QFN24

Mouser Part No
634-LB12F64ES1CQFN24

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

1.274In Stock

Rp60.542

Rp50.635

Rp44.397

Rp41.645

View

Min.: 1
Mult.: 1

CIP-51 8051

64 kB

4.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tube

8-bit Microcontrollers - MCU

EFM8LB10F16ES1-C-QFN24R
Silicon Labs
1: Rp58.524
1.368In Stock

Mfr. Part No.
EFM8LB10F16ES1-C-QFN24R

Mouser Part No
634-LB10F16ES1CFN24R

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

1.368In Stock

Cut Tape

Rp58.524

Rp38.160

Rp35.041

Rp30.087

Reel

Rp20.181

View

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

16 kB

1.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

EFM8SB20F32G-B-QFN24R
Silicon Labs
1: Rp66.413
865In Stock

Mfr. Part No.
EFM8SB20F32G-B-QFN24R

Mouser Part No
634-EFM8SB32GBQFN24R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

865In Stock

Cut Tape

Rp66.413

Rp40.545

Rp35.041

Rp32.839

Reel

Rp23.116

View

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

32 kB

4.25 kB

QFN-24

25 MHz

10 bit

16 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

Reel, Cut Tape

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

EFM8SB20F64G-B-QFN24R
Silicon Labs
1: Rp54.671
1.500In Stock

Mfr. Part No.
EFM8SB20F64G-B-QFN24R

Mouser Part No
634-EFM8SB64GBQFN24R

Silicon Labs

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

Learn More

Datasheet

1.500In Stock

Cut Tape

Rp54.671

Rp44.764

Rp38.710

Rp36.509

Reel

Rp27.336

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

64 kB

4.25 kB

25 MHz

10 bit

16 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB20F32G-B-QFN32
Silicon Labs
1: Rp58.524
587In Stock

Mfr. Part No.
EFM8UB20F32G-B-QFN32

Mouser Part No
634-EFM8UBF32GBQFN32

Silicon Labs

8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

587In Stock

Rp58.524

Rp48.984

Rp41.645

Rp39.627

View

Min.: 1
Mult.: 1

CIP-51 8051

32 kB

2.25 kB

QFN-32

48 MHz

10 bit

25 I/O

3.3 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8UB2

Tube

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

EFM8SB10F8A-A-QFN20R
Silicon Labs
1: Rp84.759
1.221In Stock
End of Life

Mfr. Part No.
EFM8SB10F8A-A-QFN20R

Mouser Part No
634-M8SB10F8AAQFN20R

End of Life

Silicon Labs

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

Learn More

Datasheet

1.221In Stock

Cut Tape

Rp84.759

Rp56.139

Rp51.185

Rp43.480

View

Reel

Rp31.739

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

8 kB

512 B

QFN-20

25 MHz

12 bit

16 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

AEC-Q100

Reel, Cut Tape

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

EFM8LB12F64E-C-QSOP24
Silicon Labs
1: Rp92.464
2.005In Stock
End of Life

Mfr. Part No.
EFM8LB12F64E-C-QSOP24

Mouser Part No
634-LB12F64ECQSOP24

End of Life

Silicon Labs

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

Learn More

Datasheet

2.005In Stock

Rp92.464

Rp61.276

Rp55.772

Rp47.333

View

Min.: 1
Mult.: 1

CIP-51 8051

64 kB

4.25 kB

QSOP-24

72 MHz

10 bit/12 bit/14 bit

21 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tube

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

EFM8LB10F16E-C-QFN32
Silicon Labs
1: Rp62.743
630In Stock

Mfr. Part No.
EFM8LB10F16E-C-QFN32

Mouser Part No
634-LB10F16ECQFN32

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

630In Stock

Rp62.743

Rp41.279

Rp38.160

Rp33.206

View

Min.: 1
Mult.: 1

CIP-51 8051

16 kB

1.25 kB

QFN-32

72 MHz

10 bit/12 bit/14 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tray

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

EFM8LB10F16E-C-QFN24
Silicon Labs
1: Rp58.340
92In Stock

Mfr. Part No.
EFM8LB10F16E-C-QFN24

Mouser Part No
634-LB10F16ECQFN24

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

92In Stock

Rp58.340

Rp37.976

Rp34.857

Rp29.904

View

Min.: 1
Mult.: 1

CIP-51 8051

16 kB

1.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tube

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

EFM8LB11F32E-C-QFN24
Silicon Labs
1: Rp70.449
813In Stock

Mfr. Part No.
EFM8LB11F32E-C-QFN24

Mouser Part No
634-LB11F32ECQFN24

Silicon Labs

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

Learn More

Datasheet

813In Stock

Rp70.449

Rp47.700

Rp44.214

Rp38.343

View

Min.: 1
Mult.: 1

CIP-51 8051

32 kB

2.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tube

8-bit Microcontrollers - MCU

EFM8LB12F64ES1-C-QFN24R
Silicon Labs
1: Rp63.477
5.732In Stock

Mfr. Part No.
EFM8LB12F64ES1-C-QFN24R

Mouser Part No
634-LB12F64ES1CFN24R

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

5.732In Stock

Cut Tape

Rp63.477

Rp51.919

Rp44.948

Rp42.563

Reel

Rp31.005

View

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

64 kB

4.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB20F32G-B-QFP48
Silicon Labs
1: Rp70.265
7.873In Stock
End of Life

Mfr. Part No.
EFM8UB20F32G-B-QFP48

Mouser Part No
634-EFM8UBF32GBQFP48

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

7.873In Stock

Rp70.265

Rp58.707

Rp54.488

Rp52.836

View

Min.: 1
Mult.: 1

CIP-51 8051

32 kB

2.25 kB

QFP-48

48 MHz

10 bit

40 I/O

3.3 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8UB2

Tray

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

EFM8SB20F64G-B-QFN32
Silicon Labs
1: Rp82.557
1.161In Stock
End of Life

Mfr. Part No.
EFM8SB20F64G-B-QFN32

Mouser Part No
634-EFM8SBF64GBQFN32

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

1.161In Stock

Rp82.557

Rp54.671

Rp49.901

Rp42.379

View

Min.: 1
Mult.: 1

CIP-51 8051

64 kB

4.25 kB

QFN-32

25 MHz

10 bit

24 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

Tube

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

CIP-51 8051

16 kB

2.25 kB

QFN-28

50 MHz

12 bit

22 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8UB

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

CIP-51 8051

8 kB

2.25 kB

QFN-20

50 MHz

12 bit

13 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8UB

Tube

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

CIP-51 8051

32 kB

2.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel, Cut Tape, MouseReel

Silicon Labs EFM8 8-bit Microcontrollers - MCU

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