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Silicon Labs Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 25 MHz 16 kB LFO 8-bit MCU C8051F338-GM Silicon Labs 1: ¥1,935.1 57In Stock NRND	Mfr. Part # C8051F338-GM Mouser Part # 634-C8051F338-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	57In Stock	¥1,935.1 ¥1,514.8 ¥1,410.2 ¥1,295.6 View ¥1,282.3 ¥1,207.5 ¥1,179.3 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	8051	16 kB	8 bit	10 bit	25 MHz	21 I/O	768 B	2.7 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU C8051F381-GM Silicon Labs 1: ¥1,205.9 415In Stock 1,533Expected 6/18/2027 NRND	Mfr. Part # C8051F381-GM Mouser Part # 634-C8051F381-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU Learn More about Silicon Labs silabs usb mcus	Datasheet	415In Stock 1,533Expected 6/18/2027	¥1,205.9 ¥930.2 ¥860.4 ¥784 View ¥727.5 ¥725.9 ¥704.3	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	8051	64 kB	8 bit	10 bit	48 MHz	25 I/O	4.25 kB	2.7 V	5.25 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F411-GM Silicon Labs 1: ¥2,244 1,052In Stock 1,533Expected 11/4/2026 NRND	Mfr. Part # C8051F411-GM Mouser Part # 634-C8051F411-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU	Datasheet	1,052In Stock 1,533Expected 11/4/2026	¥2,244 ¥1,842 ¥1,680.9 ¥1,587.9 View ¥1,581.3 ¥1,501.5 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
ARM Microcontrollers - MCU ARM Cortex -M0+ Zero Gecko Microcontroller IC 32-Bit 24MHz 32KB Flash QFN24 EFM32ZG108F32-B-QFN24 Silicon Labs 1: ¥742.5 1,653In Stock NRND	Mfr. Part # EFM32ZG108F32-B-QFN24 Mouser Part # 634-EFM32ZG108F32B24 NRND	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex -M0+ Zero Gecko Microcontroller IC 32-Bit 24MHz 32KB Flash QFN24 Learn More about Silicon Labs silabs efm32 zero gecko mcu	Datasheet	1,653In Stock	¥742.5 ¥491.7 ¥446.8 ¥380.4 View ¥360.4 ¥323.9 ¥318.9 ¥272.4	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	ARM Cortex M0+	32 kB	32 bit	12 bit	24 MHz	17 I/O	4 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G210F128G-E-QFN32R Silicon Labs 1: ¥1,127.8 28In Stock 3,000Expected 11/27/2026	Mfr. Part # EFM32G210F128G-E-QFN32R Mouser Part # 634-32G210128GEFN32R	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	28In Stock 3,000Expected 11/27/2026	Cut Tape ¥1,127.8 ¥878.7 ¥785.7 ¥725.9 ¥717.6 Reel ¥607.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-32	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	24 I/O	16 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES EFM32GG280F1024G-E-QFP100R Silicon Labs 1: ¥3,239 22In Stock	Mfr. Part # EFM32GG280F1024G-E-QFP100R Mouser Part # 634-32GG280F1024-E-T	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	22In Stock	Cut Tape ¥3,239 ¥2,566.2 ¥2,398.5 ¥2,214.1 View Reel ¥2,072.9 ¥2,111.1 ¥2,072.9 ¥2,072.9	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	1.02 MB	32 bit	12 bit	48 MHz	85 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Reel, Cut Tape
ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES EFM32GG330F512G-E-QFN64R Silicon Labs 1: ¥2,519.7 1,363In Stock	Mfr. Part # EFM32GG330F512G-E-QFN64R Mouser Part # 634-32GG330F512-E-T	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	1,363In Stock	Cut Tape ¥2,519.7 ¥1,973.3 ¥1,837.1 ¥1,685.9 View Reel ¥1,453.4 ¥1,671 ¥1,573 ¥1,536.4 ¥1,453.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-64	ARM Cortex M3	512 kB	32 bit	12 bit	48 MHz	52 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8G-A-SOIC16 Silicon Labs 1: ¥192.7 1,235In Stock	Mfr. Part # EFM8BB10F8G-A-SOIC16 Mouser Part # 634-8BB10F8GASO16	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	1,235In Stock	¥192.7 ¥136.7 ¥132.4 ¥120.1 View ¥107.1 ¥97.7 ¥94	Min.: 1 Mult.: 1	SMD/SMT	SOIC-16	CIP-51 8051	8 kB	8 bit	12 bit	25 MHz	13 I/O	512 B	2.2 V	3.6 V	- 40 C	+ 85 C		Tube
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: ¥265.8 2In Stock	Mfr. Part # EFM8SB10F4G-A-QFN20 Mouser Part # 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	¥265.8 ¥194.3 ¥176.1 ¥156.6 View ¥147.2 ¥141.4 ¥139.7 ¥130.9 ¥127.9	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	4 kB	8 bit	12 bit	25 MHz	16 I/O	512 B	1.8 V	3.6 V	- 40 C	+ 85 C		Tube
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: ¥280.7 408In Stock 4,500Expected 11/27/2026	Mfr. Part # EFM8SB10F8G-A-QFN20R Mouser Part # 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 11/27/2026	Cut Tape ¥280.7 ¥217.6 ¥192.7 ¥176.1 Reel ¥150.5 View ¥169.4 ¥155.8 ¥150.5 ¥143.2 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20	CIP-51 8051	8 kB	8 bit	12 bit	25 MHz	16 I/O	512 B	1.8 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU EFM32GG11B820F2048GM64-B Silicon Labs 1: ¥3,669.1 109In Stock	Mfr. Part # EFM32GG11B820F2048GM64-B Mouser Part # 634-B820F2048GM64-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	109In Stock	¥3,669.1 ¥2,908.4 ¥2,717.4 ¥2,509.8 View ¥2,393.5 ¥2,350.3 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	ARM Cortex M4	2.05 MB	32 bit	12 bit	72 MHz	50 I/O	512 kB	1.8 V	3.8 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20 C8051F850-C-GMR Silicon Labs 1: ¥490 309In Stock	Mfr. Part # C8051F850-C-GMR Mouser Part # 634-C8051F850-C-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20 Learn More about Silicon Labs silabs c8051f85 c8051f86 mcus	Datasheet	309In Stock	Cut Tape ¥490 ¥365.4 ¥333.9 ¥299 Reel ¥254.1 View ¥282.4 ¥275.7 ¥262.4 ¥249.2 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20	8051	8 kB	8 bit	12 bit	25 MHz	16 I/O	512 B	2.2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU EFM32PG22C200F256IM32-C Silicon Labs 1: ¥392 15In Stock 2,450Expected 10/28/2026	Mfr. Part # EFM32PG22C200F256IM32-C Mouser Part # 634-EFM32PG22C25632C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg22 mcus	Datasheet	15In Stock 2,450Expected 10/28/2026	¥392 ¥328.9 ¥262.4 ¥234.2 View ¥227.6 ¥219.3 ¥214.3 ¥206	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	ARM Cortex M33	256 kB	32 bit	12 bit	76.8 MHz	18 I/O	32 kB	1.71 V	3.8 V	- 40 C	+ 125 C		Tray
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: ¥423.6 20In Stock	Mfr. Part # EFM8BB10F8A-A-QFN20 Mouser Part # 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	¥423.6 ¥313.9 ¥285.7 ¥255.8 View ¥242.5 ¥232.5 ¥224.2 ¥220.9 ¥214.3	Min.: 1 Mult.: 1	SMD/SMT		CIP-51 8051	8 kB	8 bit	12 bit	25 MHz	16 I/O	512 B	2.2 V	3.6 V	- 40 C	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F16I-A-QFN12 Silicon Labs 1: ¥169.4 100In Stock	Mfr. Part # EFM8BB50F16I-A-QFN12 Mouser Part # 634-M8BB50F16IAQFN12	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	100In Stock	¥169.4 ¥122.1 ¥110 ¥96.7 View ¥90.4 ¥86.5 ¥83.7 ¥80.1 ¥78.1	Min.: 1 Mult.: 1	SMD/SMT	QFN-12		16 kB	8 bit	12 bit	50 MHz	9 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 125 C		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16I-A-QFN16 Silicon Labs 1: ¥152.8 71In Stock	Mfr. Part # EFM8BB50F16I-A-QFN16 Mouser Part # 634-M8BB50F16IAQFN16	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	71In Stock	¥152.8 ¥122.4 ¥110 ¥92.5 View ¥92.4 ¥90.4 ¥87.5 ¥83.7 ¥81.7	Min.: 1 Mult.: 1	SMD/SMT	QFN-16		16 kB	8 bit	12 bit	50 MHz	12 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 125 C		Cut Tape
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: ¥137.9 352In Stock	Mfr. Part # EFM8BB50F4G-A-QFN16 Mouser Part # 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	¥137.9 ¥118.3 ¥104.1 ¥93 View ¥70.6 ¥67.8 ¥64.9 ¥63.1	Min.: 1 Mult.: 1	SMD/SMT	QFN-16		4 kB	8 bit	12 bit	50 MHz	12 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 85 C		Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 1024 kB MCU EFM32PG12B500F1024GM48-C Silicon Labs 1: ¥1,920.1 38In Stock 3,900On Order	Mfr. Part # EFM32PG12B500F1024GM48-C Mouser Part # 634-PG12B500FGM48C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 1024 kB MCU Learn More about Silicon Labs silabs efm32 pearl gecko mcu	Datasheet	38In Stock 3,900On Order On Order Ship Dates Mfr. #: EFM32PG12B500F1024GM48-C Stock: 38 Can Ship Immediately On Order: 1,300 Expected 10/28/2026 2,600 Expected 11/3/2026 Factory Lead-Time: 12 Weeks	¥1,920.1 ¥1,503.2 ¥1,398.6 ¥1,284 View ¥1,272.3 ¥1,197.6 ¥1,171 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	ARM Cortex M4	1.02 MB	32 bit	12 bit	40 MHz	33 I/O	256 kB	1.8 V	3.8 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU C8051F005-GQ Silicon Labs 1: ¥5,873.3 174In Stock 800Expected 1/22/2027 End of Life	Mfr. Part # C8051F005-GQ Mouser Part # 634-C8051F005-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU	Datasheet	174In Stock 800Expected 1/22/2027	¥5,873.3 ¥4,906.6 ¥4,433.2 ¥4,185.7	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	8051	32 kB	8 bit	12 bit	25 MHz	32 I/O	2.25 kB	2.7 V	3.6 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU C8051F005-GQR Silicon Labs 1: ¥5,732.1 234In Stock End of Life	Mfr. Part # C8051F005-GQR Mouser Part # 634-C8051F005-GQR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU	Datasheet	234In Stock	Cut Tape ¥5,732.1 ¥4,640.8 ¥4,368.4 ¥4,187.4 ¥3,924.9 Reel ¥3,924.9	Min.: 1 Mult.: 1 : 500	SMD/SMT	TQFP-64	8051	32 kB	8 bit	12 bit	25 MHz	32 I/O	2.25 kB	2.7 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU C8051F021-GQ Silicon Labs 1: ¥7,222 28In Stock End of Life	Mfr. Part # C8051F021-GQ Mouser Part # 634-C8051F021-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU	Datasheet	28In Stock	¥7,222 ¥5,901.5 ¥5,571 ¥5,416.5 ¥5,036.2	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	8051	64 kB	8 bit	8 bit, 12 bit	25 MHz	32 I/O	4.35 kB	2.7 V	3.6 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU C8051F021-GQR Silicon Labs 1: ¥7,188.8 278In Stock End of Life	Mfr. Part # C8051F021-GQR Mouser Part # 634-C8051F021-GQR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU	Datasheet	278In Stock	Cut Tape ¥7,188.8 ¥5,899.9 ¥5,504.6 ¥5,418.2 ¥5,403.2 Reel ¥4,826.9 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TQFP-64	8051	64 kB	8 bit	8 bit, 12 bit	25 MHz	32 I/O	4.35 kB	2.7 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU C8051F120-GQR Silicon Labs 1: ¥9,177 133In Stock 250Expected 5/4/2027 End of Life	Mfr. Part # C8051F120-GQR Mouser Part # 634-C8051F120-GQR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU	Datasheet	133In Stock 250Expected 5/4/2027	Cut Tape ¥9,177 ¥7,499.4 ¥7,079.2 ¥6,883.2 Reel ¥6,398.2	Min.: 1 Mult.: 1 : 250	SMD/SMT	TQFP-100	8051	128 kB	8 bit	8 bit, 12 bit	100 MHz	64 I/O	8.25 kB	3 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F500-IM Silicon Labs 1: ¥2,182.6 181In Stock End of Life	Mfr. Part # C8051F500-IM Mouser Part # 634-C8051F500-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU	Datasheet	181In Stock	¥2,182.6 ¥1,901.8 ¥1,591.2 ¥1,461.7 View ¥1,453.4 ¥1,405.2 ¥1,386.9 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	64 kB	8 bit	12 bit	50 MHz	40 I/O	4.25 kB	1.8 V	5.25 V	- 40 C	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V LIN 8-bit MCU C8051F530-C-IM Silicon Labs 1: ¥960.1 778In Stock End of Life	Mfr. Part # C8051F530-C-IM Mouser Part # 634-C8051F530-C-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V LIN 8-bit MCU	Datasheet	778In Stock	¥960.1 ¥730.8 ¥674.4 ¥611.2 View ¥581.4 ¥573 ¥564.7	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	8051	8 kB	8 bit	12 bit	25 MHz	16 I/O	256 B	2 V	5.25 V	- 40 C	+ 125 C	AEC-Q100	Tube