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EFM32™ Wonder Gecko 32-bit Microcontrollers

Silicon Labs EFM32™ Wonder Gecko 32-bit Microcontrollers are MCUs based on the ARM® Cortex®-M4 core, which provides a full DSP instruction set and includes a hardware FPU for faster computation performance. Wonder Gecko MCUs feature up to 256kB of flash memory, 32kB of RAM and CPU speeds up to 48MHz. These MCUs incorporate highly differentiated Gecko technology to minimize energy consumption, including a flexible range of standby and sleep modes, intelligent peripherals that allow designers to implement many functions without CPU wake-up and ultra-low standby current. With the lowest active and standby power consumption, the Wonder Gecko is the world's most energy friendly Cortex-M4 MCU.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.	Series	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	Packaging
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG280F256-B-QFP100 Silicon Labs 1: CHF 11.18 447In Stock NRND	Mfr. Part No. EFM32WG280F256-B-QFP100 Mouser Part No 634-WG280F256BQFP100 NRND	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	447In Stock	CHF 11.18 CHF 8.80 CHF 8.05 CHF 7.76 View CHF 7.41 CHF 7.33 CHF 7.16 Quote	Min.: 1 Mult.: 1	EFM32WG	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	85 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG880F256-B-QFP100 Silicon Labs 1: CHF 12.13 78In Stock NRND	Mfr. Part No. EFM32WG880F256-B-QFP100 Mouser Part No 634-WG880F256BQFP100 NRND	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	78In Stock	CHF 12.13 CHF 9.46 CHF 8.69 CHF 8.56 View CHF 7.27 Quote	Min.: 1 Mult.: 1	EFM32WG	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	85 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG380F256-B-QFP100 Silicon Labs 1: CHF 12.40 1’800Expected 11/20/2026 NRND	Mfr. Part No. EFM32WG380F256-B-QFP100 Mouser Part No 634-WG380F256BQFP100 NRND	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	1’800Expected 11/20/2026	CHF 12.40 CHF 9.72 CHF 9.04 CHF 8.30 View CHF 8.23 CHF 7.73 CHF 7.56 Quote	Min.: 1 Mult.: 1	EFM32WG	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	83 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG230F256-B-QFN64R Silicon Labs 3’000: CHF 6.00 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32WG230F256-B-QFN64R Mouser Part No 634-32WG230F256BQFR	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel CHF 6.00	Min.: 3’000 Mult.: 3’000 : 3’000	EFM32WG	SMD/SMT	QFN-64	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	56 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG330F256-B-QFN64R Silicon Labs 3’000: CHF 6.36 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32WG330F256-B-QFN64R Mouser Part No 634-32WG330F256BQFR	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel CHF 6.36	Min.: 3’000 Mult.: 3’000 : 3’000	EFM32WG	SMD/SMT	QFN-64	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	53 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG280F256-B-QFP100R Silicon Labs 1’000: CHF 7.16 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32WG280F256-B-QFP100R Mouser Part No 634-WG280256BQFP100R	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel CHF 7.16 Quote Quote	Min.: 1’000 Mult.: 1’000 : 1’000	EFM32WG	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	86 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG380F256-B-QFP100R Silicon Labs 1’000: CHF 7.56 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32WG380F256-B-QFP100R Mouser Part No 634-WG380256BQFP100R	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel CHF 7.56 Quote Quote	Min.: 1’000 Mult.: 1’000 : 1’000	EFM32WG	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	83 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG880F256-B-QFP100R Silicon Labs 1’000: CHF 7.47 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32WG880F256-B-QFP100R Mouser Part No 634-WG880256BQFP100R	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel CHF 7.47 Quote Quote	Min.: 1’000 Mult.: 1’000 : 1’000	EFM32WG	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	86 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG230F256-B-QFN64 Silicon Labs 1’300: CHF 6.33 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. EFM32WG230F256-B-QFN64 Mouser Part No 634-32WG230F256BQFN NRND	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	Non-Stocked Lead-Time 12 Weeks	CHF 6.33 Quote Quote	Min.: 1’300 Mult.: 1’300	EFM32WG	SMD/SMT	QFN-64	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	56 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG330F256-B-QFN64 Silicon Labs 1’300: CHF 6.71 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. EFM32WG330F256-B-QFN64 Mouser Part No 634-32WG330F256BQFN NRND	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	Non-Stocked Lead-Time 12 Weeks	CHF 6.71 Quote Quote	Min.: 1’300 Mult.: 1’300	EFM32WG	SMD/SMT	QFN-64	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	53 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG890F256-B-BGA112R Silicon Labs 1’000: CHF 7.56 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM32WG890F256-B-BGA112R Mouser Part No 634-WG890256BBGA112R	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel CHF 7.56	Min.: 1’000 Mult.: 1’000 : 1’000	EFM32WG	SMD/SMT	BGA-112	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	90 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG890F256-B-BGA112 Silicon Labs 840: CHF 8.24 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM32WG890F256-B-BGA112 Mouser Part No 634-WG890F256BBGA112	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	Non-Stocked Lead-Time 26 Weeks	CHF 8.24	Min.: 840 Mult.: 840	EFM32WG	SMD/SMT	BGA-112	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	90 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG990F256-B-BGA112R Silicon Labs 1’000: CHF 7.93 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM32WG990F256-B-BGA112R Mouser Part No 634-WG990256BBGA112R	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel CHF 7.93	Min.: 1’000 Mult.: 1’000 : 1’000	EFM32WG	SMD/SMT	BGA-112	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	87 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG990F256-B-BGA112 Silicon Labs 840: CHF 8.11 Non-Stocked Lead-Time 26 Weeks NRND	Mfr. Part No. EFM32WG990F256-B-BGA112 Mouser Part No 634-WG990F256BBGA112 NRND	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	Non-Stocked Lead-Time 26 Weeks	CHF 8.11	Min.: 840 Mult.: 840	EFM32WG	SMD/SMT	BGA-112	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	86 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray

EFM32™ Wonder Gecko 32-bit Microcontrollers

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