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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (DKK) Filter the results in the table by unit price based on your quantity.	Qty.
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866PVI-070 Infineon Technologies 1: 141,89 kr. 237In 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	237In Stock	141,89 kr. 137,71 kr. 100,93 kr. 97,58 kr. View 97,50 kr. 92,35 kr. 85,42 kr. 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-QFN32R Silicon Labs 1: 19,62 kr. 2.500In Stock	Mfr. Part No. EFM8BB31F64I-D-QFN32R Mouser Part No 634-EF8BB31F64IDN32R	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	2.500In Stock	Cut Tape 19,62 kr. 14,62 kr. 13,35 kr. 12,01 kr. Reel 10,22 kr. View 11,26 kr. 11,04 kr. 10,52 kr. 10,00 kr.	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 EFM8BB31F64I-D-QFN32 Silicon Labs 1: 19,69 kr. 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	19,69 kr. 14,70 kr. 13,43 kr. 12,09 kr. View 11,34 kr. 11,12 kr. 10,59 kr. 10,22 kr. 10,00 kr.	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: 7,53 kr. 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	7,53 kr. 5,86 kr. 5,21 kr. 4,69 kr. View 4,39 kr. 4,20 kr. 4,07 kr. 3,88 kr. 3,78 kr.	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: 10,82 kr. 408In Stock 4.500Expected 27/11/2026	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 27/11/2026	Cut Tape 10,82 kr. 8,43 kr. 7,45 kr. 6,80 kr. Reel 5,81 kr. View 6,54 kr. 6,02 kr. 5,81 kr. 5,53 kr. MouseReel Available	Min.: 1 Mult.: 1 : 2.500
Development Boards & Kits - 8051 EFM8BB50 Pro Kit BB50-PK5208A Silicon Labs 1: 616,87 kr. 33In Stock	Mfr. Part No. BB50-PK5208A Mouser Part No 634-BB50-PK5208A	Silicon Labs	Development Boards & Kits - 8051 EFM8BB50 Pro Kit Learn More about Silicon Labs efm8bb50 pro kit	Datasheet	33In Stock	616,87 kr.	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-CSP16R Silicon Labs 1: 12,76 kr. 4.899In Stock 7.500On Order	Mfr. Part No. EFM8SB10F8G-A-CSP16R Mouser Part No 634-8SB10F8GA-CSP16R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU	Datasheet	4.899In Stock 7.500On Order	Cut Tape 12,76 kr. 9,40 kr. 8,58 kr. 7,61 kr. Reel 6,54 kr. View 7,18 kr. 6,93 kr. 6,67 kr. 6,34 kr. 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 EFM8BB31F64I-D-4QFN24R Silicon Labs 1: 18,28 kr. 995In 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	995In Stock 1.500Expected 30/11/2026	Cut Tape 18,28 kr. 13,58 kr. 12,46 kr. 11,19 kr. Reel 10,07 kr. View 10,59 kr. 10,29 kr. 10,00 kr. MouseReel Available	Min.: 1 Mult.: 1 : 2.500
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F4G-A-QFN20 Silicon Labs 1: 10,29 kr. 2In Stock	Mfr. Part No. EFM8SB10F4G-A-QFN20 Mouser Part No 634-8SB10F4GAQF20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	2In Stock	10,29 kr. 7,53 kr. 6,80 kr. 6,05 kr. View 5,68 kr. 5,46 kr. 5,39 kr. 5,06 kr. 4,94 kr.	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16I-C-QSOP24 Silicon Labs 1: 12,23 kr. 3.126In Stock End of Life	Mfr. Part No. EFM8BB21F16I-C-QSOP24 Mouser Part No 634-8BB21F16ICQSOP24 End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	3.126In Stock	12,23 kr. 10,37 kr. 9,10 kr. 8,58 kr. View 7,76 kr. 6,61 kr.	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU EFM8SB20F64G-B-QFN32 Silicon Labs 1: 28,87 kr. 1.076In 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 about Silicon Labs silabs efm8 sleepy bee	Datasheet	1.076In Stock	28,87 kr. 19,10 kr. 16,19 kr. 14,85 kr. View 14,10 kr. 12,61 kr. 12,46 kr. 11,34 kr. 11,26 kr.	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32G-C-QFN20 Silicon Labs 1: 11,71 kr. 2.182In Stock	Mfr. Part No. EFM8BB52F32G-C-QFN20 Mouser Part No 634-EFM852F32GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	2.182In Stock	11,71 kr. 7,53 kr. 6,67 kr. 5,48 kr. View 4,78 kr. 4,53 kr. 3,80 kr. 3,47 kr. 3,36 kr.	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 EFM8BB52F16G-C-QFN20R Silicon Labs 1: 6,16 kr. 874In Stock	Mfr. Part No. EFM8BB52F16G-C-QFN20R Mouser Part No 634-EFM852F16GQFN20R	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	874In Stock	Cut Tape 6,16 kr. 4,43 kr. 3,99 kr. 3,51 kr. Reel 2,91 kr. View 3,27 kr. 3,14 kr. 3,04 kr. 2,83 kr.	Min.: 1 Mult.: 1 : 2.500
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16A-C-QFN20R Silicon Labs 1: 21,34 kr. 1.498In Stock	Mfr. Part No. EFM8BB21F16A-C-QFN20R Mouser Part No 634-BB21F16ACQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	1.498In Stock	Cut Tape 21,34 kr. 15,89 kr. 14,55 kr. 13,06 kr. Reel 11,12 kr. View 12,31 kr. 12,09 kr. 11,41 kr. 10,89 kr.	Min.: 1 Mult.: 1 : 2.500
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8G-C-QFN20 Silicon Labs 1: 6,35 kr. 294In Stock	Mfr. Part No. EFM8BB51F8G-C-QFN20 Mouser Part No 634-EFM8B51F8GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	294In Stock	6,35 kr. 4,57 kr. 4,12 kr. 3,62 kr. View 3,39 kr. 3,24 kr. 3,14 kr. 3,00 kr. 2,92 kr.	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16A-C-QFN20 Silicon Labs 1: 21,56 kr. 2.983In Stock	Mfr. Part No. EFM8BB21F16A-C-QFN20 Mouser Part No 634-EFM8BB21F16FN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	2.983In Stock	21,56 kr. 17,01 kr. 15,22 kr. 13,95 kr. View 13,43 kr. 12,68 kr. 12,38 kr. 12,16 kr. 11,79 kr.	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245LTI-139 Infineon Technologies 1: 61,84 kr. 186In Stock	Mfr. Part No. CY8C3245LTI-139 Mouser Part No 727-CY8C3245LTI-139	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	186In Stock	61,84 kr. 48,12 kr. 42,60 kr. 40,88 kr. View 39,02 kr. 37,90 kr. 36,40 kr. Quote	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 EFM8BB52F16G-C-QFN20 Silicon Labs 1: 5,90 kr. 234In Stock	Mfr. Part No. EFM8BB52F16G-C-QFN20 Mouser Part No 634-EFM852F16GCQFN20	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	234In Stock	5,90 kr. 4,70 kr. 3,35 kr. 3,20 kr. View 3,07 kr. 2,95 kr. 2,86 kr.	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 EFM8BB51F16G-C-QFN20R Silicon Labs 1: 5,97 kr. 1.016In Stock 7.500On Order	Mfr. Part No. EFM8BB51F16G-C-QFN20R Mouser Part No 634-EFM851F16GQFN20R	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	1.016In Stock 7.500On Order	Cut Tape 5,97 kr. 4,29 kr. 3,87 kr. 3,40 kr. View Reel 3,04 kr. 3,19 kr. 3,05 kr. 3,04 kr.	Min.: 1 Mult.: 1 : 2.500
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16I-C-QFN20 Silicon Labs 1: 11,26 kr. 3.254In Stock	Mfr. Part No. EFM8BB21F16I-C-QFN20 Mouser Part No 634-8BB21F16I-CQFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	3.254In Stock	11,26 kr. 9,47 kr. 8,36 kr. 7,76 kr. View 7,53 kr. 6,54 kr. 5,53 kr. 5,18 kr.	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32I-C-TSSOP20 Silicon Labs 1: 8,21 kr. 402In Stock	Mfr. Part No. EFM8BB52F32I-C-TSSOP20 Mouser Part No 634-EFM852F32ICTOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	402In Stock	8,21 kr. 6,41 kr. 6,09 kr. 4,60 kr. View 4,40 kr. 4,28 kr. 4,18 kr.	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU EFM8BB52F32I-C-TSSOP28 Silicon Labs 1: 9,03 kr. 200On Order	Mfr. Part No. EFM8BB52F32I-C-TSSOP28 Mouser Part No 634-EFM852F32ICTOP28	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	200On Order	9,03 kr. 7,06 kr. 6,26 kr. 5,62 kr. View 5,44 kr. 5,10 kr. 4,98 kr. 4,91 kr. 4,85 kr.	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F4G-A-QFN16 Silicon Labs 1: 5,33 kr. 352In Stock	Mfr. Part No. EFM8BB50F4G-A-QFN16 Mouser Part No 634-M8BB50F4GAQFN16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	352In Stock	5,33 kr. 4,57 kr. 4,02 kr. 3,60 kr. View 2,73 kr. 2,62 kr. 2,51 kr. 2,44 kr.	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 EFM8BB52F32I-C-QFN32 Silicon Labs 1: 7,68 kr. 606In Stock	Mfr. Part No. EFM8BB52F32I-C-QFN32 Mouser Part No 634-EFM852F32ICQFN32	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	606In Stock	7,68 kr. 6,54 kr. 5,74 kr. 5,13 kr. View 4,74 kr. 3,83 kr. 3,66 kr. 3,57 kr.	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8A-A-QFN20 Silicon Labs 1: 16,34 kr. 20In Stock	Mfr. Part No. EFM8BB10F8A-A-QFN20 Mouser Part No 634-FM8BB10F8AAQFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	20In Stock	16,34 kr. 12,16 kr. 11,04 kr. 9,85 kr. View 9,40 kr. 8,95 kr. 8,65 kr. 8,50 kr. 8,28 kr.	Min.: 1 Mult.: 1

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