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Silicon Labs 8-bit Microcontrollers - MCU

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Part #

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

C8051F342-GQ
Silicon Labs
1: £15.37
877In Stock

Mfr. Part No.
C8051F342-GQ

Mouser Part No
634-C8051F342-GQ

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

Learn More

Datasheet

877In Stock

£15.37

£12.79

£11.99

£11.02

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

LQFP-32

48 MHz

10 bit

25 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F342

Tray

8-bit Microcontrollers - MCU 8KB,24ADC,32Pin MCU

C8051F350-GQ
Silicon Labs
1: £11.66
610In Stock

Mfr. Part No.
C8051F350-GQ

Mouser Part No
634-C8051F350-GQ

Silicon Labs

8-bit Microcontrollers - MCU 8KB,24ADC,32Pin MCU

Datasheet

610In Stock

£11.66

£9.67

£9.04

£8.57

Min.: 1
Mult.: 1

8051

8 kB

768 B

LQFP-32

50 MHz

24 bit

17 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F350

Tray

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

C8051F353-GM
Silicon Labs
1: £7.66
1,509In Stock

Mfr. Part No.
C8051F353-GM

Mouser Part No
634-C8051F353-GM

Silicon Labs

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

Datasheet

1,509In Stock

£7.66

£6.36

£5.50

£5.27

View

Min.: 1
Mult.: 1

8051

8 kB

768 B

QFN-28

50 MHz

16 bit

17 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F353

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

C8051F381-GQ
Silicon Labs
1: £4.85
1,078In Stock

Mfr. Part No.
C8051F381-GQ

Mouser Part No
634-C8051F381-GQ

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

Learn More

Datasheet

1,078In Stock

£4.85

£4.03

£3.75

£3.40

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

LQFP-32

48 MHz

10 bit

25 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F381

Tray

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-LQFP32

C8051F381-GQR
Silicon Labs
1: £4.85
1,280In Stock

Mfr. Part No.
C8051F381-GQR

Mouser Part No
634-C8051F381-GQR

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-LQFP32

Datasheet

1,280In Stock

Cut Tape

£4.85

£4.03

£3.75

£3.40

Reel

£3.08

View

Min.: 1
Mult.: 1

Reel: 500

8051

64 kB

4.25 kB

LQFP-32

48 MHz

10 bit

25 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F381

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

C8051F382-GQ
Silicon Labs
1: £4.33
2,594In Stock

Mfr. Part No.
C8051F382-GQ

Mouser Part No
634-C8051F382-GQ

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

Learn More

Datasheet

2,594In Stock

£4.33

£3.60

£3.34

£3.02

View

Min.: 1
Mult.: 1

8051

32 kB

2.25 kB

TQFP-48

48 MHz

10 bit

40 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F382

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

C8051F384-GQ
Silicon Labs
1: £6.83
457In Stock

Mfr. Part No.
C8051F384-GQ

Mouser Part No
634-C8051F384-GQ

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

Learn More

Datasheet

457In Stock

£6.83

£4.85

£4.63

£4.02

View

Min.: 1
Mult.: 1

8051

64 kB

4.35 kB

TQFP-48

48 MHz

40 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F384

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU

C8051F392-A-GM
Silicon Labs
1: £2.70
1,279In Stock
1,911Expected 03/03/2026

Mfr. Part No.
C8051F392-A-GM

Mouser Part No
634-C8051F392-A-GM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU

Learn More

Datasheet

1,279In Stock

1,911Expected 03/03/2026

£2.70

£2.25

£1.89

£1.80

View

Min.: 1
Mult.: 1

8051

16 kB

1 kB

QFN-20

50 MHz

10 bit

17 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

C8051F392

Tube

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

C8051F411-GM
Silicon Labs
1: £8.28
738In Stock

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

738In Stock

£8.28

£7.13

£6.38

£6.26

View

Min.: 1
Mult.: 1

8051

32 kB

2.31 kB

QFN-28

50 MHz

12 bit

20 I/O

2 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F411

Tube

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

C8051F500-IQ
Silicon Labs
1: £8.46
978In Stock

Mfr. Part No.
C8051F500-IQ

Mouser Part No
634-C8051F500-IQ

Silicon Labs

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

Datasheet

978In Stock

£8.46

£7.01

£6.54

£5.96

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

QFP-48

50 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F500

AEC-Q100

Tray

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

C8051F503-IQ
Silicon Labs
1: £7.80
1,559In Stock

Mfr. Part No.
C8051F503-IQ

Mouser Part No
634-C8051F503-IQ

Silicon Labs

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

Datasheet

1,559In Stock

£7.80

£6.46

£6.02

£5.48

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

QFP-32

50 MHz

12 bit

25 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F503

AEC-Q100

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU

C8051F505-IQ
Silicon Labs
1: £7.62
637In Stock

Mfr. Part No.
C8051F505-IQ

Mouser Part No
634-C8051F505-IQ

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU

Datasheet

637In Stock

£7.62

£6.32

£5.88

£5.36

View

Min.: 1
Mult.: 1

8051

32 kB

4.25 kB

QFP-48

50 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F505

AEC-Q100

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

C8051F506-IQ
Silicon Labs
1: £7.72
1,717In Stock

Mfr. Part No.
C8051F506-IQ

Mouser Part No
634-C8051F506-IQ

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

Datasheet

1,717In Stock

£7.72

£6.41

£5.97

£5.44

View

Min.: 1
Mult.: 1

8051

32 kB

4.25 kB

QFP-32

50 MHz

12 bit

25 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F506

AEC-Q100

Tray

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20

C8051F530A-IT
Silicon Labs
1: £4.24
3,611In Stock

Mfr. Part No.
C8051F530A-IT

Mouser Part No
634-C8051F530A-IT

Silicon Labs

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20

Datasheet

3,611In Stock

£4.24

£3.52

£3.02

£2.87

View

Min.: 1
Mult.: 1

8051

8 kB

256 B

TSSOP-20

25 MHz

12 bit

16 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F530A

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU

C8051F531-C-IT
Silicon Labs
1: £4.72
946In Stock

Mfr. Part No.
C8051F531-C-IT

Mouser Part No
634-C8051F531-C-IT

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU

Datasheet

946In Stock

£4.72

£3.92

£3.36

£3.21

View

Min.: 1
Mult.: 1

8051

8 kB

256 B

TSSOP-20

25 MHz

12 bit

16 I/O

2 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F531

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

C8051F550-IM
Silicon Labs
1: £5.81
2,154In Stock

Mfr. Part No.
C8051F550-IM

Mouser Part No
634-C8051F550-IM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

Datasheet

2,154In Stock

£5.81

£4.82

£4.09

£3.92

View

Min.: 1
Mult.: 1

8051

32 kB

2.25 kB

QFN-24

50 MHz

12 bit

18 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F550

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU

C8051F553-IM
Silicon Labs
1: £5.54
1,922In Stock

Mfr. Part No.
C8051F553-IM

Mouser Part No
634-C8051F553-IM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU

Datasheet

1,922In Stock

£5.54

£4.59

£3.90

£3.74

View

Min.: 1
Mult.: 1

8051

32 kB

2.25 kB

QFN-24

50 MHz

12 bit

18 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F553

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

C8051F560-IQ
Silicon Labs
1: £5.60
761In Stock

Mfr. Part No.
C8051F560-IQ

Mouser Part No
634-C8051F560-IQ

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

Datasheet

761In Stock

£5.60

£4.64

£4.32

£4.11

Min.: 1
Mult.: 1

8051

32 kB

2.25 kB

QFP-32

50 MHz

12 bit

25 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F560

AEC-Q100

Tray

8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16

C8051F860-C-GSR
Silicon Labs
1: £1.85
4,192In Stock

Mfr. Part No.
C8051F860-C-GSR

Mouser Part No
634-C8051F860-C-GSR

Silicon Labs

8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16

Learn More

Datasheet

4,192In Stock

Cut Tape

£1.85

£1.56

£1.45

£1.30

Reel

£1.06

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

8051

8 kB

512 B

SOIC-16

25 MHz

12 bit

13 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F860

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

C8051F921-G-GM
Silicon Labs
1: £2.85
1,032In Stock

Mfr. Part No.
C8051F921-G-GM

Mouser Part No
634-C8051F921-G-GM

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

1,032In Stock

£2.85

£2.38

£2.00

£1.90

View

Min.: 1
Mult.: 1

8051

32 kB

4.25 kB

QFN-24

25 MHz

10 bit

16 I/O

900 mV

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

C8051F921-G-GMR
Silicon Labs
1: £2.85
1,496In Stock

Mfr. Part No.
C8051F921-G-GMR

Mouser Part No
634-C8051F921-G-GMR

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

1,496In Stock

Cut Tape

£2.85

£2.38

£2.21

£1.98

View

Reel

£1.63

Min.: 1
Mult.: 1

Reel: 1,500

8051

32 kB

4.25 kB

QFN-24

25 MHz

10 bit

16 I/O

900 mV

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

C8051F931-G-GM
Silicon Labs
1: £5.09
2,631In Stock

Mfr. Part No.
C8051F931-G-GM

Mouser Part No
634-C8051F931-G-GM

Silicon Labs

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

2,631In Stock

£5.09

£3.78

£3.53

£3.10

View

Min.: 1
Mult.: 1

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

Tube

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

C8051F931-G-GMR
Silicon Labs
1: £3.52
899In Stock
3,000Expected 20/03/2026

Mfr. Part No.
C8051F931-G-GMR

Mouser Part No
634-C8051F931-G-GMR

Silicon Labs

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

899In Stock

3,000Expected 20/03/2026

Cut Tape

£3.52

£2.92

£2.72

£2.45

View

Reel

£2.05

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

8051

64 kB

4.25 kB

25 MHz

10 bit

16 I/O

900 mV

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

EFM8BB31F16G-D-QFN32
Silicon Labs
1: £1.15
4,144In Stock

Mfr. Part No.
EFM8BB31F16G-D-QFN32

Mouser Part No
634-EF8BB31F16GDQN32

Silicon Labs

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

Learn More

Datasheet

4,144In Stock

£1.15

£0.978

£0.908

£0.811

View

Min.: 1
Mult.: 1

CIP-51 8051

16 kB

2.3 kB

QFN-32

50 MHz

10 bit, 12 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tray

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: £2.76
3,390In 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

3,390In Stock

Cut Tape

£2.76

£1.87

£1.74

£1.51

Reel

£1.05

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

CIP-51 8051

64 kB

4.35 kB

QFN-24

50 MHz

10 bit, 12 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU

Customer Service Office

Company

Resources

Support

CSP-16
LQFP-32
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20
QFN-24
QFN-28
QFN-32
QFN-40
QFN-48
QFP-32
QFP-48
QSOP-24
SOIC-14
SOIC-16
TQFP-100
TQFP-48
TQFP-64

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
28 I/O
29 I/O
32 I/O
33 I/O
39 I/O
40 I/O

BB50
C8051F005
C8051F006
C8051F007
C8051F015
C8051F016
C8051F017
C8051F018
C8051F019
C8051F020
C8051F021
C8051F022
C8051F023
C8051F040
C8051F041
C8051F042
C8051F043
C8051F044
C8051F045
C8051F046