Skip to Main Content

Part of the TTI Family of SpecialistsContact Mouser 0120 954 837Feedback

Change Location

0120 954 837 Change Location

In Stock

RoHS

.hide-partial { max-height: none; } .show-more { display: none; }

STMicroelectronics STM32L431RB Series ARM Microcontrollers - MCU

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 6

Applied Filters:

Manufacturer = STMicroelectronics Series = STM32L431RB

Package / Case

Maximum Operating Temperature

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	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 Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBI6 STMicroelectronics 1: ¥867 425In Stock 2,940On Order	Mfr. Part # STM32L431RBI6 Mouser Part # 511-STM32L431RBI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	425In Stock 2,940On Order	¥867 ¥642.8 ¥581.4 ¥531.5	Min.: 1 Mult.: 1 Max.: 200			STM32L431RB	SMD/SMT	UFBGA-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBT6 STMicroelectronics 1: ¥960.1 2,877On Order	Mfr. Part # STM32L431RBT6 Mouser Part # 511-STM32L431RBT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,877On Order On Order Ship Dates Mfr. #: STM32L431RBT6 Stock: 0 On Order: 957 Expected 11/18/2026 1,920 TBD Factory Lead-Time: 52 Weeks	¥960.1 ¥704.3 ¥631.2 ¥569.7	Min.: 1 Mult.: 1 Max.: 150			STM32L431RB	SMD/SMT	LQFP-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBT6TR STMicroelectronics 1: ¥961.7 2,000On Order	Mfr. Part # STM32L431RBT6TR Mouser Part # 511-STM32L431RBT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,000On Order	Cut Tape ¥961.7 ¥750.8 ¥654.4 ¥599.6 View Reel ¥541.5 ¥583 ¥541.5 ¥541.5 MouseReel Available	Min.: 1 Mult.: 1 Max.: 500 : 1,000			STM32L431RB	SMD/SMT	LQFP-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBI3 STMicroelectronics 2,940: ¥533.2 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L431RBI3 Mouser Part # 511-STM32L431RBI3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash	Datasheet	Non-Stocked Lead-Time 52 Weeks	¥533.2	Min.: 2,940 Mult.: 2,940			STM32L431RB	SMD/SMT	UFBGA-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 125 C	Tray
	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBI6TR STMicroelectronics 5,000: ¥458.4 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L431RBI6TR Mouser Part # 511-STM32L431RBI6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel ¥458.4	Min.: 5,000 Mult.: 5,000 : 5,000			STM32L431RB	SMD/SMT	UFBGA-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Reel
	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBY6TR STMicroelectronics 5,000: ¥415.3 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L431RBY6TR Mouser Part # 511-STM32L431RBY6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel ¥415.3	Min.: 5,000 Mult.: 5,000 : 5,000			STM32L431RB	SMD/SMT	WLCSP-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Reel