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ARM Cortex M3 Core ARM Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F107RBT6 STMicroelectronics 1: £7.96 3,689On Order	Mfr. Part No. STM32F107RBT6 Mouser Part No 511-STM32F107RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics STM32F107	Datasheet	3,689On Order On Order Ship Dates Mfr. No: STM32F107RBT6 Stock: 0 On Order: 809 Expected 07/04/2027 960 Expected 30/08/2027 1,920 TBD Factory Lead Time: 52 Weeks	£7.96 £6.18 £5.70 £5.12 £4.84	Min.: 1 Mult.: 1	STM32F107RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	51 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 64 Kbytes of Flash 32 MHz CP STM32L100R8T6A STMicroelectronics 1: £5.40 4,800Expected 22/02/2027	Mfr. Part No. STM32L100R8T6A Mouser Part No 511-STM32L100R8T6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 64 Kbytes of Flash 32 MHz CP Learn More about STMicroelectronics stm32l1	Datasheet	4,800Expected 22/02/2027	£5.40 £4.03 £3.67 £3.30 View £3.20 £2.88	Min.: 1 Mult.: 1	STM32L100R8-A	SMD/SMT	LQFP-64	ARM Cortex M3	64 kB	32 bit	12 bit	32 MHz	51 I/O	8 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB STM32L151CBT6ATR STMicroelectronics 1: £5.61 4,800Expected 22/02/2027	Mfr. Part No. STM32L151CBT6ATR Mouser Part No 511-STM32L151CBT6ATR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	4,800Expected 22/02/2027	Cut Tape £5.61 £4.25 £3.79 £3.54 View Reel £3.00 £3.46 £3.16 £3.00 £3.00 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32L151CB-A	SMD/SMT	LQFP-48	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	37 I/O	16 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151CCU6TR STMicroelectronics 1: £6.26 8,833On Order	Mfr. Part No. STM32L151CCU6TR Mouser Part No 511-STM32L151CCU6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	8,833On Order	Cut Tape £6.26 £4.84 £4.26 £4.09 View Reel £3.57 £4.03 £3.78 £3.73 £3.57 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	STM32L151CC	SMD/SMT	UFQPFN-48	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	37 I/O	32 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151QEH6 STMicroelectronics 1: £11.25 9,984On Order	Mfr. Part No. STM32L151QEH6 Mouser Part No 511-STM32L151QEH6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	9,984On Order	£11.25 £8.83 £8.05 £7.57 View £7.21 £7.00 £6.92	Min.: 1 Mult.: 1	STM32L151QE	SMD/SMT	BGA-132	ARM Cortex M3	512 kB	32 bit	12 bit	32 MHz	109 I/O	80 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, MCD, USB, 2xOp STM32L151VET6 STMicroelectronics 1: £9.53 2,921On Order	Mfr. Part No. STM32L151VET6 Mouser Part No 511-STM32L151VET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, MCD, USB, 2xOp Learn More about STMicroelectronics stm32l1	Datasheet	2,921On Order	£9.53 £6.97 £6.41 £5.97	Min.: 1 Mult.: 1	STM32L151VE	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	12 bit	32 MHz	83 I/O	80 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP CY8C5868LTI-LP039 Infineon Technologies 1: £22.07 980On Order	Mfr. Part No. CY8C5868LTI-LP039 Mouser Part No 727-CY8C5868LTILP039	Infineon Technologies	ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	980On Order On Order Ship Dates Mfr. No: CY8C5868LTI-LP039 Stock: 0 On Order: 460 Expected 05/11/2026 520 Expected 19/11/2026 Factory Lead Time: 18 Weeks	£22.07 £17.78 £16.06 £15.47 View £14.95 £14.42 Quote	Min.: 1 Mult.: 1	CY8C58LPxxx	SMD/SMT	QFN-68	ARM Cortex M3	256 kB	32 bit	12 bit	67 MHz	48 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU MM-LEGACY PSOC135 CY8C5888FNI-LP210T Infineon Technologies 1: £25.87 1,995On Order	Mfr. Part No. CY8C5888FNI-LP210T Mouser Part No 727-CY8C5888FNIP210T	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY PSOC135 Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	1,995On Order	Cut Tape £25.87 £20.24 £19.33 £17.56 View Reel £16.56 £16.96 £16.59 £16.57 £16.56	Min.: 1 Mult.: 1 : 2,000		SMD/SMT	WLCSP-99	ARM Cortex M3	256 kB	32 bit	12 bit	80 MHz	62 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1754FBD80,518 NXP Semiconductors 1: £9.56 1,960Expected 21/12/2026	Mfr. Part No. LPC1754FBD80,518 Mouser Part No 771-LPC1754FBD80518	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core	Datasheet	1,960Expected 21/12/2026	Cut Tape £9.56 £7.53 £7.05 £6.50 View Reel £5.71 £6.24 £6.03 £5.71 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	LPC1700	SMD/SMT	LQFP-80	ARM Cortex M3	128 kB	32 bit	12 bit	100 MHz	52 I/O	32 kB	3.3 V	3.3 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1778FET208K NXP Semiconductors 1: £17.08 1,260Expected 04/01/2027	Mfr. Part No. LPC1778FET208K Mouser Part No 771-LPC1778FET208K	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxplpc1778lpc1788	Datasheet	1,260Expected 04/01/2027	£17.08 £13.80 £13.23 £11.66 View £11.09 £10.58 £10.17	Min.: 1 Mult.: 1	LPC1700	SMD/SMT		ARM Cortex M3	512 kB	32 bit	12 bit	120 MHz	165 I/O	96 kB	3.3 V	3.3 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1837JET100E NXP Semiconductors 1: £17.51 3,331On Order	Mfr. Part No. LPC1837JET100E Mouser Part No 771-LPC1837JET100E	NXP Semiconductors	ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxp lpc1830 lpc1850 lpc1857 mcus	Datasheet	3,331On Order On Order Ship Dates Mfr. No: LPC1837JET100E Stock: 0 On Order: 471 Expected 14/12/2026 1,820 Expected 29/12/2026 1,040 Expected 18/01/2027 Factory Lead Time: 39 Weeks	£17.51 £13.66 £12.64 £11.92	Min.: 1 Mult.: 1	LPC183x	SMD/SMT	TFBGA-100	ARM Cortex M3	1 MB	32 bit	2 x 10 bit	180 MHz	49 I/O	136 kB	2.4 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRLA ATSAM3A8CA-AU Microchip Technology 1: £8.39 172Expected 16/11/2026	Mfr. Part No. ATSAM3A8CA-AU Mouser Part No 556-ATSAM3A8CA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRLA Learn More about Microchip Technology microchip sam3a mcu	Datasheet	172Expected 16/11/2026	£8.39 £8.26 £7.64 £7.53 View £6.96 £6.95	Min.: 1 Mult.: 1	SAM3A	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	12 bit	84 MHz	63 I/O	64 kB	1.62 V	1.95 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG110F32-D-QFN24R Silicon Labs 1: £3.80 2,256Expected 20/11/2026	Mfr. Part No. EFM32TG110F32-D-QFN24R Mouser Part No 634-EFM32TG110F32-DR	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC Learn More about Silicon Labs energymicroefm32tg	Datasheet	2,256Expected 20/11/2026	Cut Tape £3.80 £2.89 £2.66 £2.42 View Reel £2.17 £2.30 £2.23 £2.20 £2.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EFM32TG	SMD/SMT	QFN-24	ARM Cortex M3	32 kB	32 bit	12 bit	32 MHz	17 I/O	4 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU EFM32JG1B200F256GM48-C0 Silicon Labs 1: £4.17 2,597Expected 18/01/2027	Mfr. Part No. EFM32JG1B200F256GM48-C0 Mouser Part No 634-JG1B200F25648C0	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	2,597Expected 18/01/2027	£4.17 £3.30 £2.98 £2.76 View £2.61 £2.52 £2.51	Min.: 1 Mult.: 1	EFM32JG	SMD/SMT	QFN-48	ARM Cortex M3	256 kB	32 bit	12 bit	40 MHz	32 I/O	32 kB	1.85 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Valueline ARM Cortex-M3 MCU STM32F100VBT7B STMicroelectronics 1: £6.10 248In Stock	Mfr. Part No. STM32F100VBT7B Mouser Part No 511-STM32F100VBT7B	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Valueline ARM Cortex-M3 MCU Learn More about STMicroelectronics stm32f1	Datasheet	248In Stock	£6.10 £4.37 £4.00 £3.88 View £3.58 £3.53 £3.48	Min.: 1 Mult.: 1	STM32F100VB	SMD/SMT		ARM Cortex M3	128 kB	32 bit	12 bit	24 MHz	80 I/O	8 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel STM32F205RGT6W STMicroelectronics 1: £15.21 44In Stock NRND	Mfr. Part No. STM32F205RGT6W Mouser Part No 511-STM32F205RGT6W NRND	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel Learn More about STMicroelectronics stm32f2	Datasheet	44In Stock	£15.21 £12.06 £11.14 £10.32 View £10.13 £9.83 £9.82	Min.: 1 Mult.: 1	STM32F205RG	SMD/SMT	LQFP-64	ARM Cortex M3	1 MB	32 bit	12 bit	120 MHz	51 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB STM32F215ZET6 STMicroelectronics 1: £11.86 130In Stock	Mfr. Part No. STM32F215ZET6 Mouser Part No 511-STM32F215ZET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB Learn More about STMicroelectronics stm32f2	Datasheet	130In Stock	£11.86 £9.57 £8.96 £8.38 View £8.08 £7.94 £7.86	Min.: 1 Mult.: 1	STM32F215ZE	SMD/SMT	LQFP-144	ARM Cortex M3	512 kB	32 bit	12 bit	120 MHz	114 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow STM32L152RBT6 STMicroelectronics 1: £7.80 5In Stock NRND	Mfr. Part No. STM32L152RBT6 Mouser Part No 511-STM32L152RBT6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow Learn More about STMicroelectronics stm32l1	Datasheet	5In Stock	£7.80 £6.04 £5.58 £5.01 View £4.88 £4.73	Min.: 1 Mult.: 1	STM32L152RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	51 I/O	16 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 16KB STM32F100C4T6B STMicroelectronics 1: £3.96 3,000Expected 20/01/2027	Mfr. Part No. STM32F100C4T6B Mouser Part No 511-STM32F100C4T6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 16KB Learn More about STMicroelectronics stm32f1	Datasheet	3,000Expected 20/01/2027	£3.96 £2.92 £2.65 £2.44 View £2.24 £2.18 £2.14 £2.07	Min.: 1 Mult.: 1	STM32F100C4	SMD/SMT	LQFP-48	ARM Cortex M3	16 kB	32 bit	12 bit	24 MHz	37 I/O	4 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 64K Flash 8KB RAM STM32F100R8H6B STMicroelectronics 1: £5.43 3,836Expected 29/03/2027	Mfr. Part No. STM32F100R8H6B Mouser Part No 511-STM32F100R8H6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 64K Flash 8KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	3,836Expected 29/03/2027	£5.43 £4.00 £3.72 £3.27 View £3.10 £2.78 £2.66 £2.59	Min.: 1 Mult.: 1	STM32F100R8	SMD/SMT		ARM Cortex M3	128 kB	32 bit	12 bit	24 MHz	51 I/O	8 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit ARM Cortex 64 Kbyte Value Line STM32F100R8T6BTR STMicroelectronics 1: £4.81 687Expected 10/12/2026	Mfr. Part No. STM32F100R8T6BTR Mouser Part No 511-STM32F100R8T6BTR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 64 Kbyte Value Line Learn More about STMicroelectronics stm32f1	Datasheet	687Expected 10/12/2026	Cut Tape £4.81 £3.68 £3.30 £3.09 View Reel £2.73 £3.00 £2.74 £2.73 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F100R8			ARM Cortex M3		32 bit					2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 10KB RAM 1X12 ADC STM32F101C8T6 STMicroelectronics 1: £5.74 1,312Expected 20/09/2027	Mfr. Part No. STM32F101C8T6 Mouser Part No 511-STM32F101C8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 10KB RAM 1X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	1,312Expected 20/09/2027	£5.74 £4.22 £3.94 £3.46 View £3.28 £2.94 £2.88	Min.: 1 Mult.: 1	STM32F101C8	SMD/SMT	LQFP-48	ARM Cortex M3	64 kB	32 bit	12 bit	36 MHz	48 I/O	10 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 Access Line STM32F101CBT6TR STMicroelectronics 1: £6.20 2,398Expected 20/09/2027	Mfr. Part No. STM32F101CBT6TR Mouser Part No 511-STM32F101CBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 Access Line Learn More about STMicroelectronics stm32f1	Datasheet	2,398Expected 20/09/2027	Cut Tape £6.20 £4.32 £4.13 £3.58 View Reel £3.09 £3.42 £3.27 £3.09 £3.09 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F101CB	SMD/SMT	LQFP-48	ARM Cortex M3	128 kB	32 bit	12 bit	36 MHz	37 I/O	16 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 High-density access STM32F101RCT6TR STMicroelectronics 1: £7.09 1,998Expected 07/04/2027	Mfr. Part No. STM32F101RCT6TR Mouser Part No 511-STM32F101RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 High-density access Learn More about STMicroelectronics stm32f1	Datasheet	1,998Expected 07/04/2027	Cut Tape £7.09 £5.43 £4.85 £4.50 View Reel £4.05 £4.30 £4.08 £4.05 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F101RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	36 MHz	51 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU STM32F101VCT6 STMicroelectronics 1: £7.63 2,157On Order	Mfr. Part No. STM32F101VCT6 Mouser Part No 511-STM32F101VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	2,157On Order On Order Ship Dates Mfr. No: STM32F101VCT6 Stock: 0 On Order: 1,617 Expected 30/11/2026 540 Expected 30/08/2027 Factory Lead Time: 52 Weeks	£7.63 £5.51 £5.05 £4.96 £4.69	Min.: 1 Mult.: 1	STM32F101VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	36 MHz	80 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray