8051 Core – Mouser United Kingdom

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Part #

8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V

AT89S8253-24JU
Microchip Technology
1: £3.54
343In Stock
2,781Expected 09/09/2026

Mfr. Part No.
AT89S8253-24JU

Mouser Part No
556-A89S8253-24JU

Microchip Technology

8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V

Datasheet

343In Stock

2,781Expected 09/09/2026

£3.54

£3.25

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V

AT80C51RD2-SLRUM
Microchip Technology
1: £3.20
660In Stock

Mfr. Part No.
AT80C51RD2-SLRUM

Mouser Part No
556-AT80C51RD2-SLRUM

Microchip Technology

8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V

Datasheet

660In Stock

Cut Tape

£3.20

Reel

£3.20

MouseReel Available

Min.: 1
Mult.: 1

: 500

8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V

AT80C51RD2-SLSUM
Microchip Technology
1: £3.08
434In Stock

Mfr. Part No.
AT80C51RD2-SLSUM

Mouser Part No
556-AT80C51RD2-SLSUM

Microchip Technology

8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V

Datasheet

434In Stock

£3.08

£2.84

£2.83

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51RD2 ROMless TQFP44 Ind 5V GREEN

AT80C51RD2T-RLTUM
Microchip Technology
1: £2.99
1,929In Stock

Mfr. Part No.
AT80C51RD2T-RLTUM

Mouser Part No
556-AT80C51RD2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RD2 ROMless TQFP44 Ind 5V GREEN

Learn More

Datasheet

1,929In Stock

£2.99

£2.74

£2.49

£2.48

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51AC3 64kF ADC EEP TQFP44 ind 5V GREEN

AT89C51AC3T-RLTUM
Microchip Technology
1: £7.64
156In Stock
160Expected 26/10/2026

Mfr. Part No.
AT89C51AC3T-RLTUM

Mouser Part No
556-AT89C51AC3TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51AC3 64kF ADC EEP TQFP44 ind 5V GREEN

Learn More

Datasheet

156In Stock

160Expected 26/10/2026

£7.64

£7.04

£6.39

£6.38

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader UART GREEN

AT89C51CC01UAT-RLTUM
Microchip Technology
1: £6.81
723In Stock
2,240Expected 13/11/2026

Mfr. Part No.
AT89C51CC01UAT-RLTUM

Mouser Part No
556-AT89C51CC01UATUM

Microchip Technology

8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader UART GREEN

Learn More

Datasheet

723In Stock

2,240Expected 13/11/2026

£6.81

£6.24

£5.66

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51ED2 64kF TQFP44 3-5.5V Ind GREEN

AT89C51ED2T-RLTUM
Microchip Technology
1: £7.37
611In Stock
1,440Expected 13/11/2026

Mfr. Part No.
AT89C51ED2T-RLTUM

Mouser Part No
556-AT89C51ED2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51ED2 64kF TQFP44 3-5.5V Ind GREEN

Learn More

Datasheet

611In Stock

1,440Expected 13/11/2026

£7.37

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN

AT89C51IC2T-RLTUM
Microchip Technology
1: £6.29
191In Stock

Mfr. Part No.
AT89C51IC2T-RLTUM

Mouser Part No
556-AT89C51IC2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN

Learn More

Datasheet

191In Stock

£6.29

£5.76

£5.23

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN

AT89C51RB2T-RLRUL
Microchip Technology
1: £5.83
1,000In Stock

Mfr. Part No.
AT89C51RB2T-RLRUL

Mouser Part No
556-AT89C51RB2TLRUL

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN

Learn More

Datasheet

1,000In Stock

Cut Tape

£5.83

£5.69

£5.55

£5.33

View

Reel

£5.30

Min.: 1
Mult.: 1

: 2,000

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 COM 5V GREEN

AT89C51RB2T-RLTUM
Microchip Technology
1: £5.22
330In Stock

Mfr. Part No.
AT89C51RB2T-RLTUM

Mouser Part No
556-AT89C51RB2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 COM 5V GREEN

Learn More

Datasheet

330In Stock

£5.22

£5.20

£4.88

£4.46

£4.45

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN

AT89C51RC2T-RLTUM
Microchip Technology
1: £6.15
384In Stock
480Expected 21/09/2026

Mfr. Part No.
AT89C51RC2T-RLTUM

Mouser Part No
556-AT89C51RC2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN

Learn More

Datasheet

384In Stock

480Expected 21/09/2026

£6.15

£5.63

£5.10

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51RD2 64kF TQFP44 3-5.5V Ind. GREEN

AT89C51RD2T-RLTUM
Microchip Technology
1: £6.59
427In Stock

Mfr. Part No.
AT89C51RD2T-RLTUM

Mouser Part No
556-AT89C51RD2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RD2 64kF TQFP44 3-5.5V Ind. GREEN

Learn More

Datasheet

427In Stock

£6.59

£6.57

£5.48

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V

AT89C55WD-24JU
Microchip Technology
1: £3.50
517In Stock

Mfr. Part No.
AT89C55WD-24JU

Mouser Part No
556-AT89C55WD-24JU

Microchip Technology

8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V

Datasheet

517In Stock

£3.50

£3.22

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V

AT89C55WD-24PU
Microchip Technology
1: £3.87
876In Stock
900Expected 12/10/2026

Mfr. Part No.
AT89C55WD-24PU

Mouser Part No
556-AT89C55WD-24PU

Microchip Technology

8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V

Datasheet

876In Stock

900Expected 12/10/2026

£3.87

£3.55

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V

AT89LP51RB2-20JU
Microchip Technology
1: £3.03
738In Stock

Mfr. Part No.
AT89LP51RB2-20JU

Mouser Part No
556-AT89LP51RB2-20JU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V

Learn More

Datasheet

738In Stock

£3.03

£2.78

£2.52

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V

AT89LP51RC2-20JU
Microchip Technology
1: £3.36
530In Stock

Mfr. Part No.
AT89LP51RC2-20JU

Mouser Part No
556-AT89LP51RC2-20JU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V

Learn More

Datasheet

530In Stock

£3.36

£3.08

£2.78

Min.: 1
Mult.: 1

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

AT89LP52-20AU
Microchip Technology
1: £1.29
3,084In Stock

Mfr. Part No.
AT89LP52-20AU

Mouser Part No
556-AT89LP52-20AU

Microchip Technology

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

Learn More

Datasheet

3,084In Stock

£1.29

£1.17

£1.07

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 24 MHZ, TQFP44, IND TEMP, GREEN

AT89S52-24AUR
Microchip Technology
1: £1.82
2,973In Stock

Mfr. Part No.
AT89S52-24AUR

Mouser Part No
556-AT89S52-24AUR

Microchip Technology

8-bit Microcontrollers - MCU 24 MHZ, TQFP44, IND TEMP, GREEN

Datasheet

2,973In Stock

Cut Tape

£1.82

£1.75

£1.50

Reel

£1.50

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V

AT89S52-24JU
Microchip Technology
1: £2.85
1,010In Stock
2,403Expected 01/10/2026

Mfr. Part No.
AT89S52-24JU

Mouser Part No
556-AT89S52-24JU

Microchip Technology

8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V

Datasheet

1,010In Stock

2,403Expected 01/10/2026

£2.85

£2.62

Min.: 1
Mult.: 1

Development Boards & Kits - Wireless CC2531 Eval Mod

CC2531EMK
Texas Instruments
1: £52.61
21In Stock
29Expected 19/11/2026

Mfr. Part No.
CC2531EMK

Mouser Part No
595-CC2531EMK

Texas Instruments

Development Boards & Kits - Wireless CC2531 Eval Mod

Learn More

Datasheet

21In Stock

29Expected 19/11/2026

£52.61

Min.: 1
Mult.: 1
Max.: 5

Development Boards & Kits - 8051 EFM8 BB52 Pro Kit

BB52-PK5206B
Silicon Labs
1: £71.88
16In Stock
7On Order

Mfr. Part No.
BB52-PK5206B

Mouser Part No
634-BB52-PK5206B

Silicon Labs

Development Boards & Kits - 8051 EFM8 BB52 Pro Kit

Learn More

Datasheet

16In Stock

7On Order

£71.88

Min.: 1
Mult.: 1

Development Boards & Kits - 8051 Development Kit for C8051F120, F121, F122, F123, F130, F131, F132 & F133 MCUs

C8051F120DK
Silicon Labs
1: £107.45
12In Stock
31Expected 12/10/2026

Mfr. Part No.
C8051F120DK

Mouser Part No
634-C8051F120DK

Silicon Labs

Development Boards & Kits - 8051 Development Kit for C8051F120, F121, F122, F123, F130, F131, F132 & F133 MCUs

Datasheet

12In Stock

31Expected 12/10/2026

£107.45

Min.: 1
Mult.: 1

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

C8051F381-GM
Silicon Labs
1: £5.17
750In Stock

Mfr. Part No.
C8051F381-GM

Mouser Part No
634-C8051F381-GM

Silicon Labs

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

Learn More

Datasheet

750In Stock

£5.17

£4.00

£3.68

£3.36

View

Min.: 1
Mult.: 1

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

C8051F390-A-GM
Silicon Labs
1: £3.10
1,322In Stock

Mfr. Part No.
C8051F390-A-GM

Mouser Part No
634-C8051F390-A-GM

Silicon Labs

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

Learn More

Datasheet

1,322In Stock

£3.10

£2.56

£2.17

£2.07

View

Min.: 1
Mult.: 1

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

C8051F392-A-GM
Silicon Labs
1: £2.97
1,710In Stock
1,911Expected 02/11/2026

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

1,710In Stock

1,911Expected 02/11/2026

£2.97

£2.48

£2.08

£1.98

View

Min.: 1
Mult.: 1

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