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Silicon Labs Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Core	Program Memory Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Data RAM Size	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Packaging
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU C8051F582-IM Silicon Labs 1: 13,75 € 3 094In Stock End of Life	Mfr. Part No. C8051F582-IM Mouser Part No 634-C8051F582-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU	Datasheet	3 094In Stock	13,75 € 11,41 € 9,94 € 9,66 € View 9,18 € 8,59 € 8,27 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	8051	128 kB	8 bit	12 bit	50 MHz	25 I/O	8.25 kB	1.8 V	5.25 V	- 40 C	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-5QFN32 Silicon Labs 1: 3,87 € 1 358In Stock End of Life	Mfr. Part No. EFM8BB31F64I-D-5QFN32 Mouser Part No 634-EF8BB31F64ID5F32 End of Life	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 358In Stock	3,87 € 2,56 € 2,34 € 1,99 € View 1,88 € 1,69 € 1,57 € 1,46 € 1,45 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	29 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU EFM8SB20F64G-B-QFN32 Silicon Labs 1: 3,87 € 1 111In 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 111In Stock	3,87 € 2,56 € 2,17 € 1,99 € View 1,89 € 1,69 € 1,67 € 1,52 € 1,51 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	CIP-51 8051	64 kB	8 bit	10 bit	25 MHz	24 I/O	4.25 kB	1.8 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU C8051F860-C-GS Silicon Labs 1: 2,31 € 375In Stock NRND	Mfr. Part No. C8051F860-C-GS Mouser Part No 634-C8051F860-C-GS NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU Learn More about Silicon Labs silabs c8051f85 c8051f86 mcus	Datasheet	375In Stock	2,31 € 2,02 € 1,65 € 1,56 € View 1,44 € 1,40 € 1,37 € 1,36 €	Min.: 1 Mult.: 1	SMD/SMT	SOIC-16	8051	8 kB	8 bit	12 bit	25 MHz	13 I/O	512 B	2.2 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tube
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: 1,51 € 3 268In 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 268In Stock	1,51 € 1,27 € 1,12 € 1,04 € View 1,01 € 0,877 € 0,741 € 0,694 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	16 kB	8 bit	12 bit	50 MHz	16 I/O	2.3 kB	2.2 V	3.6 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F8G-C-QFN20 Silicon Labs 1: 1,53 € 2 547In Stock 5 040Expected 09/10/2026	Mfr. Part No. EFM8UB10F8G-C-QFN20 Mouser Part No 634-8UB10F8GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	2 547In Stock 5 040Expected 09/10/2026	1,53 € 1,30 € 1,14 € 1,06 € View 1,03 € 0,912 € 0,845 € 0,815 € 0,803 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	8 kB	8 bit	12 bit	50 MHz	13 I/O	2.25 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Tube
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB MCU EFM32GG11B120F2048GQ64-B Silicon Labs 1: 16,00 € 1 061In Stock	Mfr. Part No. EFM32GG11B120F2048GQ64-B Mouser Part No 634-B120F2048GQ64-B	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB MCU Learn More about Silicon Labs efm32gg11 mcus	Datasheet	1 061In Stock	16,00 € 12,90 € 12,14 € 11,45 € Quote Quote	Min.: 1 Mult.: 1	SMD/SMT	QFP-64	ARM Cortex M4	2.05 MB	32 bit	12 bit	72 MHz	53 I/O	512 kB	1.8 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU EFM32GG11B820F2048GL192-B Silicon Labs 1: 18,48 € 634In Stock 1 300Expected 15/01/2027	Mfr. Part No. EFM32GG11B820F2048GL192-B Mouser Part No 634-B820F2048GL192-B	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU Learn More about Silicon Labs efm32gg11 mcus	Datasheet	634In Stock 1 300Expected 15/01/2027	18,48 € 14,76 € 13,69 € 12,93 € View 12,32 € 12,22 € Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-192	ARM Cortex M4	2.05 MB	32 bit	12 bit	72 MHz	144 I/O	512 kB	1.8 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU EFM32GG11B820F2048GQ64-B Silicon Labs 1: 17,29 € 779In Stock	Mfr. Part No. EFM32GG11B820F2048GQ64-B Mouser Part No 634-B820F2048GQ64-B	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU Learn More about Silicon Labs efm32gg11 mcus	Datasheet	779In Stock	17,29 € 14,01 € 12,84 € 12,20 € 11,27 €	Min.: 1 Mult.: 1	SMD/SMT	QFP-64	ARM Cortex M4	2.05 MB	32 bit	12 bit	72 MHz	47 I/O	512 kB	1.8 V	3.8 V	- 40 C	+ 85 C		Tray
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: 3,84 € 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 3,84 € 2,54 € 2,30 € 1,96 € View Reel 1,63 € 1,86 € 1,67 € 1,63 € 1,63 €	Min.: 1 Mult.: 1 : 1 500	SMD/SMT	QFN-20	CIP-51 8051	16 kB	8 bit	12 bit	50 MHz	16 I/O	2.25 kB	2.2 V	3.6 V	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU C8051F311-GMR Silicon Labs 1: 10,63 € 905In Stock 3 000Expected 27/11/2026	Mfr. Part No. C8051F311-GMR Mouser Part No 634-C8051F311-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU	Datasheet	905In Stock 3 000Expected 27/11/2026	Cut Tape 10,63 € 8,47 € 7,67 € 7,17 € View Reel 6,08 € 7,14 € 6,65 € 6,27 € 6,08 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500	SMD/SMT	QFN-28	8051	16 kB	8 bit	10 bit	25 MHz	25 I/O	1.25 kB	2.7 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN28 OTP available (T321-GM) C8051F321-GM Silicon Labs 1: 12,73 € 178In Stock 1 533Expected 27/11/2026	Mfr. Part No. C8051F321-GM Mouser Part No 634-C8051F321-GM	Silicon Labs	8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN28 OTP available (T321-GM)	Datasheet	178In Stock 1 533Expected 27/11/2026	12,73 € 10,28 € 9,24 € 8,69 € View 8,63 € 8,20 € 7,76 € Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-28	CIP-51 8051	16 kB	8 bit	10 bit	25 MHz	21 I/O	2.3 kB	2.7 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F411-GM Silicon Labs 1: 11,53 € 1 057In Stock 1 533Expected 20/11/2026	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	1 057In Stock 1 533Expected 20/11/2026	11,53 € 9,45 € 8,63 € 8,14 € View 8,11 € 7,73 € Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-28	8051	32 kB	8 bit	12 bit	50 MHz	20 I/O	2.31 kB	2 V	5.25 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F411-GMR Silicon Labs 1: 12,09 € 437In Stock 1 500Expected 16/10/2026	Mfr. Part No. C8051F411-GMR Mouser Part No 634-C8051F411-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU	Datasheet	437In Stock 1 500Expected 16/10/2026	Cut Tape 12,09 € 9,86 € 9,04 € 8,49 € View Reel 7,53 € 8,44 € 8,13 € 7,64 € 7,53 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 1 500	SMD/SMT	QFN-28	8051	32 kB	8 bit	12 bit	50 MHz	20 I/O	2.25 kB	2 V	5.25 V	- 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-QFN32R Silicon Labs 1: 1,60 € 4 082In Stock	Mfr. Part No. EFM8BB31F16G-D-QFN32R Mouser Part No 634-EF8BB31F16GDN32R	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	4 082In Stock	Cut Tape 1,60 € 1,32 € 1,14 € 1,08 € Reel 0,813 € View 0,946 € 0,886 € 0,791 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	QFN-32	CIP-51 8051	16 kB	8 bit	10 bit, 12 bit	50 MHz	29 I/O	2.3 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32I-D-4QFN24R Silicon Labs 1: 2,86 € 1 520In Stock	Mfr. Part No. EFM8BB31F32I-D-4QFN24R Mouser Part No 634-EF8BB31F32ID424R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	1 520In Stock	Cut Tape 2,86 € 1,88 € 1,74 € 1,51 € Reel 1,17 € View 1,42 € 1,24 € 1,17 € 1,01 €	Min.: 1 Mult.: 1 : 1 500	SMD/SMT	QFN-24	CIP-51 8051	32 kB	8 bit	10 bit, 12 bit	50 MHz	20 I/O	2.3 kB	2.2 V	3.6 V	- 40 C	+ 125 C		Reel, Cut Tape
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: 3,16 € 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 3,16 € 2,13 € 1,98 € 1,72 € Reel 1,33 € View 1,61 € 1,41 € 1,33 € 1,14 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500	SMD/SMT	QFN-24	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	20 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFN32R Silicon Labs 1: 2,30 € 1 398In Stock	Mfr. Part No. EFM8BB31F64G-D-QFN32R Mouser Part No 634-EF8BB31F64GDN32R	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 398In Stock	Cut Tape 2,30 € 1,70 € 1,56 € 1,39 € Reel 1,20 € View 1,32 € 1,27 € 1,22 € 1,16 €	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	QFN-32	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	29 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape
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: 2,18 € 5 987In 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 987In Stock	2,18 € 1,83 € 1,60 € 1,50 € View 1,34 € 1,25 € 1,15 € 1,11 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	20 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Tube
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: 2,45 € 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 2,45 € 1,82 € 1,67 € 1,50 € Reel 1,35 € View 1,42 € 1,38 € 1,34 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500	SMD/SMT	QFN-24	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	20 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
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: 3,74 € 1 299In 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 299In Stock	3,74 € 2,48 € 2,25 € 1,92 € View 1,82 € 1,63 € 1,42 € 1,40 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	29 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU EFM32TG11B120F128GQ48-BR Silicon Labs 1: 4,45 € 860In Stock	Mfr. Part No. EFM32TG11B120F128GQ48-BR Mouser Part No 634-EFM32TG128GQ48BR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU Learn More about Silicon Labs energymicroefm32tg	Datasheet	860In Stock	Cut Tape 4,45 € 3,35 € 3,09 € 2,79 € Reel 2,53 € View 2,64 € 2,62 € 2,48 €	Min.: 1 Mult.: 1 : 1 000	SMD/SMT	QFP-48	ARM Cortex M0+	128 kB	32 bit	12 bit	48 MHz	37 I/O	32 kB	1.8 V	3.8 V	- 40 C	+ 85 C		Reel, Cut Tape
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG222F32-D-QFP48 Silicon Labs 1: 4,87 € 3 138In Stock	Mfr. Part No. EFM32TG222F32-D-QFP48 Mouser Part No 634-EFM32TG222F32-D	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC Learn More about Silicon Labs energymicroefm32tg	Datasheet	3 138In Stock	4,87 € 4,05 € 3,57 € 3,40 € View 3,20 € 3,08 € 2,76 € 2,75 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-48	ARM Cortex M3	32 kB	32 bit	12 bit	32 MHz	37 I/O	4 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU EFM32TG11B140F64GQ48-B Silicon Labs 1: 5,66 € 1 021In Stock	Mfr. Part No. EFM32TG11B140F64GQ48-B Mouser Part No 634-EFM32TG64GQ48-B	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU Learn More about Silicon Labs energymicroefm32tg	Datasheet	1 021In Stock	5,66 € 4,15 € 3,65 € 3,41 € View 3,23 € 2,90 € 2,71 € 2,43 €	Min.: 1 Mult.: 1	SMD/SMT	QFP-48	ARM Cortex M0+	64 kB	32 bit	12 bit	48 MHz	37 I/O	32 kB	1.8 V	3.8 V	- 40 C	+ 85 C		Tray
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: 0,955 € 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 0,955 € 0,814 € 0,714 € 0,655 € Reel 0,463 € View 0,61 € 0,558 € 0,511 € 0,392 €	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	QFN-20		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape