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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL AT89LP51-20AU Microchip Technology 1: £1.29 610In Stock	Mfr. Part No. AT89LP51-20AU Mouser Part No 556-AT89LP51-20AU	Microchip Technology	8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL Learn More about Microchip Technology atmelat89lp52	Datasheet	610In Stock	£1.29 £1.17 £1.07	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F32G-C-QFN32R Silicon Labs 1: £0.834 4,000In Stock	Mfr. Part No. EFM8BB52F32G-C-QFN32R Mouser Part No 634-EFM852F32GQFN32R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	4,000In Stock	Cut Tape £0.834 £0.602 £0.542 £0.477 Reel £0.395 View £0.446 £0.426 £0.413 £0.385	Min.: 1 Mult.: 1 : 2,500
RF Microcontrollers - MCU RF+MCU 8051 25 MHz 16 kB +20 dBm SI1060-A-GM Silicon Labs 1: £9.34 1,854In Stock NRND	Mfr. Part No. SI1060-A-GM Mouser Part No 634-SI1060-A-GM NRND	Silicon Labs	RF Microcontrollers - MCU RF+MCU 8051 25 MHz 16 kB +20 dBm Learn More about Silicon Labs siliconlabssi100x	Datasheet	1,854In Stock	£9.34 £7.16 £6.66 £6.12 View £5.70 £5.57	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F4G-A-QFN12 Silicon Labs 1: £0.563 706In Stock	Mfr. Part No. EFM8BB50F4G-A-QFN12 Mouser Part No 634-M8BB50F4GAQFN12	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	706In Stock	£0.563 £0.436 £0.403 £0.371 View £0.293 £0.281 £0.273	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU EFM8LB10F16E-C-QFP32 Silicon Labs 1: £2.10 1,249In Stock NRND	Mfr. Part No. EFM8LB10F16E-C-QFP32 Mouser Part No 634-LB10F16ECQFP32 NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	1,249In Stock	£2.10 £1.56 £1.43 £1.28 View £1.21 £1.20 £1.10	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245LTI-163 Infineon Technologies 1: £7.32 533In Stock	Mfr. Part No. CY8C3245LTI-163 Mouser Part No 727-CY8C3245LTI-163	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	533In Stock	£7.32 £5.70 £5.05 £4.85 View £4.62 £4.32 Quote	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU EFM8BB10F2G-A-QFN20R Silicon Labs 1: £0.646 15,521In Stock	Mfr. Part No. EFM8BB10F2G-A-QFN20R Mouser Part No 634-8BB10F2GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	15,521In Stock	Cut Tape £0.646 £0.497 £0.443 £0.405 Reel £0.334 View £0.391 £0.361 £0.341 £0.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866AXI-040 Infineon Technologies 1: £20.20 297In Stock	Mfr. Part No. CY8C3866AXI-040 Mouser Part No 727-CY8C3866AXI-040	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	297In Stock	£20.20 £16.22 £14.23 £13.81 View £13.68 £13.27 Quote	Min.: 1 Mult.: 1
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: £2.28 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 about Silicon Labs silabs efm8 laser bee	Datasheet	980In Stock	Cut Tape £2.28 £1.69 £1.55 £1.39 Reel £1.18 View £1.32 £1.28 £1.21 £1.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
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 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 about Silicon Labs siliconlabs efm8 busy bee	Datasheet	2,120In Stock	Cut Tape £2.76 £1.86 £1.73 £1.50 Reel £1.16 View £1.41 £1.23 £1.16 £0.995 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
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: £1.90 5,887In 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 about Silicon Labs siliconlabs efm8 busy bee	Datasheet	5,887In Stock	£1.90 £1.60 £1.40 £1.31 View £1.17 £1.09 £1.00 £0.969	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFN32 Silicon Labs 1: £2.10 7,223In Stock	Mfr. Part No. EFM8BB31F64G-D-QFN32 Mouser Part No 634-EF8BB31F64GDQN32	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	7,223In Stock	£2.10 £1.62 £1.48 £1.32 £1.27	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F16G-A-QFN12 Silicon Labs 1: £0.743 1,188In Stock	Mfr. Part No. EFM8BB50F16G-A-QFN12 Mouser Part No 634-M8BB50F16GAQFN12	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	1,188In Stock	£0.743 £0.535 £0.482 £0.423 View £0.396 £0.379 £0.368 £0.351 £0.342	Min.: 1 Mult.: 1
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: £0.834 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 about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	12,398In Stock	Cut Tape £0.834 £0.711 £0.623 £0.572 Reel £0.404 View £0.533 £0.487 £0.446 £0.361	Min.: 1 Mult.: 1 : 2,500
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: £2.65 3,867In 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 about Silicon Labs silabs efm8 laser bee	Datasheet	3,867In Stock	Cut Tape £2.65 £2.07 £1.84 £1.69 View Reel £1.34 £1.64 £1.58 £1.34	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V AT89C4051-24SU Microchip Technology 1: £1.12 475In Stock	Mfr. Part No. AT89C4051-24SU Mouser Part No 556-A89C4051-24SU	Microchip Technology	8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V	Datasheet	475In Stock	£1.12 £1.03 £0.925	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16G-A-QFN16 Silicon Labs 1: £0.766 968In Stock	Mfr. Part No. EFM8BB50F16G-A-QFN16 Mouser Part No 634-M8BB50F16GAQFN16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	968In Stock	£0.766 £0.552 £0.497 £0.437 View £0.409 £0.391 £0.378 £0.362 £0.353	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-4QFN24 Silicon Labs 1: £2.25 2,758In Stock	Mfr. Part No. EFM8BB31F64I-D-4QFN24 Mouser Part No 634-EF8BB31F64ID4F24	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	2,758In Stock	£2.25 £1.68 £1.53 £1.49 View £1.31 £1.18	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16I-A-SOIC16 Silicon Labs 1: £0.882 959In Stock	Mfr. Part No. EFM8BB50F16I-A-SOIC16 Mouser Part No 634-M8BB50F16IASIC16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	959In Stock	£0.882 £0.686 £0.61 £0.549 View £0.513 £0.491 £0.476 £0.454 £0.443	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246AXI-131 Infineon Technologies 1: £11.11 666In Stock	Mfr. Part No. CY8C3246AXI-131 Mouser Part No 727-CY8C3246AXI-131	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	666In Stock	£11.11 £8.63 £7.58 £7.32 View £7.01 £6.93 Quote	Min.: 1 Mult.: 1
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: £2.14 993In 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 about Silicon Labs siliconlabs efm8 busy bee	Datasheet	993In Stock 1,500Expected 30/11/2026	Cut Tape £2.14 £1.59 £1.46 £1.31 Reel £1.18 View £1.24 £1.20 £1.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866PVI-070 Infineon Technologies 1: £16.60 136In Stock	Mfr. Part No. CY8C3866PVI-070 Mouser Part No 727-CY8C3866PVI-070	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	136In Stock	£16.60 £15.26 £11.81 £11.42 View £11.40 £10.81 £10.29 Quote	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8G-A-QFN20R Silicon Labs 1: £1.27 408In Stock 4,500Expected 04/12/2026	Mfr. Part No. EFM8SB10F8G-A-QFN20R Mouser Part No 634-8SB10F8GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU	Datasheet	408In Stock 4,500Expected 04/12/2026	Cut Tape £1.27 £0.986 £0.871 £0.796 Reel £0.68 View £0.766 £0.705 £0.68 £0.647 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-099 Infineon Technologies 1: £12.81 242In Stock	Mfr. Part No. CY8C3446AXI-099 Mouser Part No 727-CY8C3446AXI-099	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	242In Stock	£12.81 £9.73 £9.32 £8.21 View £7.81 £7.55 £7.32 Quote	Min.: 1 Mult.: 1
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: £2.30 1,517In 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 about Silicon Labs siliconlabs efm8 busy bee	Datasheet	1,517In Stock	£2.30 £1.72 £1.57 £1.41 View £1.33 £1.30 £1.24 £1.20 £1.17	Min.: 1 Mult.: 1

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