8051 Core 8 bit – Mouser Denmark

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Part #

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFP48

C8051F505-IQR
Silicon Labs
1: 83,40 kr.
21In Stock
End of Life

Mfr. Part No.
C8051F505-IQR

Mouser Part No
634-C8051F505-IQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFP48

Datasheet

21In Stock

Cut Tape

83,40 kr.

67,81 kr.

64,68 kr.

56,17 kr.

53,64 kr.

Reel

51,47 kr.

Min.: 1
Mult.: 1

: 500

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU

C8051F581-IM
Silicon Labs
1: 112,20 kr.
107In Stock
End of Life

Mfr. Part No.
C8051F581-IM

Mouser Part No
634-C8051F581-IM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU

Learn More

Datasheet

107In Stock

112,20 kr.

85,27 kr.

81,76 kr.

71,99 kr.

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU

C8051F581-IQ
Silicon Labs
1: 111,45 kr.
15In Stock
End of Life

Mfr. Part No.
C8051F581-IQ

Mouser Part No
634-C8051F581-IQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU

Learn More

Datasheet

15In Stock

111,45 kr.

90,79 kr.

81,84 kr.

74,90 kr.

71,84 kr.

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, SPI, 2xUART, I2C, QFP48

C8051F581-IQR
Silicon Labs
1: 113,09 kr.
15In Stock
End of Life

Mfr. Part No.
C8051F581-IQR

Mouser Part No
634-C8051F581-IQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, SPI, 2xUART, I2C, QFP48

Datasheet

15In Stock

Cut Tape

113,09 kr.

88,25 kr.

79,75 kr.

73,11 kr.

Reel

67,74 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

C8051F931-G-GM
Silicon Labs
1: 36,40 kr.
305In Stock
End of Life

Mfr. Part No.
C8051F931-G-GM

Mouser Part No
634-C8051F931-G-GM

End of Life

Silicon Labs

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

Learn More

Datasheet

305In Stock

36,40 kr.

30,29 kr.

25,51 kr.

24,39 kr.

View

Min.: 1
Mult.: 1

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

C8051F931-G-GMR
Silicon Labs
1: 37,90 kr.
99In Stock
End of Life

Mfr. Part No.
C8051F931-G-GMR

Mouser Part No
634-C8051F931-G-GMR

End of Life

Silicon Labs

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

Learn More

Datasheet

99In Stock

Cut Tape

37,90 kr.

30,96 kr.

26,86 kr.

25,44 kr.

View

Reel

18,87 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V

AT89C51ED2-SLSUM
Microchip Technology
1: 66,17 kr.
1.410Expected 10/09/2026

Mfr. Part No.
AT89C51ED2-SLSUM

Mouser Part No
556-A89C51ED2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V

Learn More

Datasheet

1.410Expected 10/09/2026

66,17 kr.

60,65 kr.

54,91 kr.

Min.: 1
Mult.: 1

Development Boards & Kits - 8051 Development kit for C8051F02x MCUs

C8051F020DK
Silicon Labs
1: 732,72 kr.
21On Order

Mfr. Part No.
C8051F020DK

Mouser Part No
634-C8051F020DK

Silicon Labs

Development Boards & Kits - 8051 Development kit for C8051F02x MCUs

Datasheet

21On Order

732,72 kr.

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24

C8051F390-A-GMR
Silicon Labs
1: 35,44 kr.
1.497Expected 12/11/2026

Mfr. Part No.
C8051F390-A-GMR

Mouser Part No
634-C8051F390-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24

Datasheet

1.497Expected 12/11/2026

Cut Tape

35,44 kr.

24,32 kr.

22,68 kr.

19,92 kr.

View

Reel

14,62 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

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

C8051F860-C-GSR
Silicon Labs
1: 20,07 kr.
3.674Expected 15/09/2026

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

3.674Expected 15/09/2026

Cut Tape

20,07 kr.

16,49 kr.

14,25 kr.

13,35 kr.

Reel

10,15 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

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

C8051F530A-IT
Silicon Labs
1: 54,68 kr.
6.694Expected 01/01/2027
End of Life

Mfr. Part No.
C8051F530A-IT

Mouser Part No
634-C8051F530A-IT

End of Life

Silicon Labs

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

Datasheet

6.694Expected 01/01/2027

54,68 kr.

38,20 kr.

36,40 kr.

29,32 kr.

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM

MS51FB9AE
Nuvoton
1: 8,95 kr.
5.104On Order

Mfr. Part No.
MS51FB9AE

Mouser Part No
503-MS51FB9AE

Nuvoton

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM

Learn More

Datasheet

5.104On Order

Cut Tape

8,95 kr.

6,02 kr.

5,08 kr.

Reel

5,08 kr.

4,16 kr.

View

Min.: 1
Mult.: 1

: 74

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

AT89LP51ID2-20AU
Microchip Technology
1: 38,72 kr.
480Expected 19/11/2026

Mfr. Part No.
AT89LP51ID2-20AU

Mouser Part No
556-AT89LP51ID2-20AU

Microchip Technology

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

Learn More

Datasheet

480Expected 19/11/2026

38,72 kr.

35,44 kr.

32,08 kr.

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)

C8051F301-GMR
Silicon Labs
1: 56,32 kr.
3.000Expected 27/11/2026

Mfr. Part No.
C8051F301-GMR

Mouser Part No
634-C8051F301-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)

Datasheet

3.000Expected 27/11/2026

Cut Tape

56,32 kr.

42,22 kr.

40,28 kr.

34,99 kr.

View

Reel

27,53 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

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

C8051F330-GM
Silicon Labs
1: 69,60 kr.
1.911Expected 16/10/2026
NRND

Mfr. Part No.
C8051F330-GM

Mouser Part No
634-C8051F330-GM

NRND

Silicon Labs

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

Datasheet

1.911Expected 16/10/2026

69,60 kr.

57,74 kr.

49,24 kr.

47,22 kr.

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V

AT89C2051-12SU
Microchip Technology
1: 9,70 kr.
110Expected 09/09/2026

Mfr. Part No.
AT89C2051-12SU

Mouser Part No
556-A89C205112SU

Microchip Technology

8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V

Datasheet

110Expected 09/09/2026

9,70 kr.

8,95 kr.

8,06 kr.

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V

AT89C4051-12SU
Microchip Technology
1: 9,62 kr.
552On Order

Mfr. Part No.
AT89C4051-12SU

Mouser Part No
556-A89C405112SU

Microchip Technology

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V

Datasheet

552On Order

9,62 kr.

8,88 kr.

7,98 kr.

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

AT89LP51ED2-20PU
Microchip Technology
1: 37,82 kr.
140Expected 10/09/2026

Mfr. Part No.
AT89LP51ED2-20PU

Mouser Part No
556-AT89LP51ED2-20PU

Microchip Technology

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

Learn More

Datasheet

140Expected 10/09/2026

37,82 kr.

34,61 kr.

31,41 kr.

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU

AT89LP52-20JU
Microchip Technology
1: 22,16 kr.
130Expected 14/09/2026

Mfr. Part No.
AT89LP52-20JU

Mouser Part No
556-AT89LP52-20JU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU

Learn More

Datasheet

130Expected 14/09/2026

22,16 kr.

20,29 kr.

Min.: 1
Mult.: 1

Development Boards & Kits - 8051 EFM8 BB51 Pro Kit

BB51-PK5207B
Silicon Labs
1: 610,75 kr.
6Expected 13/10/2026

Mfr. Part No.
BB51-PK5207B

Mouser Part No
634-BB51-PK5207B

Silicon Labs

Development Boards & Kits - 8051 EFM8 BB51 Pro Kit

Learn More

Datasheet

6Expected 13/10/2026

610,75 kr.

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 32KB,12ADC,48Pin MCU

C8051F006-GQ
Silicon Labs
1: 219,47 kr.
248Expected 25/02/2027
End of Life

Mfr. Part No.
C8051F006-GQ

Mouser Part No
634-C8051F006-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32KB,12ADC,48Pin MCU

Datasheet

248Expected 25/02/2027

219,47 kr.

184,78 kr.

166,81 kr.

160,91 kr.

154,57 kr.

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

C8051F040-GQ
Silicon Labs
1: 205,60 kr.
425Expected 30/10/2026
End of Life

Mfr. Part No.
C8051F040-GQ

Mouser Part No
634-C8051F040-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

Datasheet

425Expected 30/10/2026

205,60 kr.

171,65 kr.

151,36 kr.

145,47 kr.

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

C8051F042-GQR
Silicon Labs
1: 184,56 kr.
246Expected 08/09/2026
End of Life

Mfr. Part No.
C8051F042-GQR

Mouser Part No
634-C8051F042-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

Datasheet

246Expected 08/09/2026

Cut Tape

184,56 kr.

153,75 kr.

150,99 kr.

146,37 kr.

Reel

124,28 kr.

Min.: 1
Mult.: 1

: 250

8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)

C8051F331-GMR
Silicon Labs
1: 68,04 kr.
1.500Expected 16/10/2026
End of Life

Mfr. Part No.
C8051F331-GMR

Mouser Part No
634-C8051F331-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)

Datasheet

1.500Expected 16/10/2026

Cut Tape

68,04 kr.

52,59 kr.

50,21 kr.

43,57 kr.

View

Reel

39,76 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

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

C8051F531-C-IT
Silicon Labs
1: 49,16 kr.
1.551Expected 01/01/2027
End of Life

Mfr. Part No.
C8051F531-C-IT

Mouser Part No
634-C8051F531-C-IT

End of Life

Silicon Labs

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

Datasheet

1.551Expected 01/01/2027

49,16 kr.

40,51 kr.

35,06 kr.

33,50 kr.

Min.: 1
Mult.: 1

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