ARM Cortex M33 Core – Mouser United Kingdom

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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.	RoHS
RF System on a Chip - SoC FG23, Sub-GHz, 128kB Flash, 32kB RAM, +14 dBm, Secure Vault-High, QFN40 EFR32FG23B010F128GM40-B Silicon Labs 1: £4.25 120In Stock NRND	Mfr. Part No. EFR32FG23B010F128GM40-B Mouser Part No 634-FG23B10F128GM40B NRND	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 128kB Flash, 32kB RAM, +14 dBm, Secure Vault-High, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	120In Stock	£4.25 £3.54 £3.20 £2.96 View £2.82 £2.77 £2.76 Quote	Min.: 1 Mult.: 1
RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO EFR32BG21A010F1024IM32-B Silicon Labs 1: £4.53 31In Stock	Mfr. Part No. EFR32BG21A010F1024IM32-B Mouser Part No 634-BG21A010F102432B	Silicon Labs	RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO Learn More about Silicon Labs silabs efr32bg21 socs	Datasheet	31In Stock	£4.53 £3.46 £3.19 £2.88 View £2.74 £2.65 £2.62 £2.59	Min.: 1 Mult.: 1
RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO EFR32BG21A010F512IM32-B Silicon Labs 1: £3.31 81In Stock	Mfr. Part No. EFR32BG21A010F512IM32-B Mouser Part No 634-BG21A010F51232B	Silicon Labs	RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO Learn More about Silicon Labs silabs efr32bg21 socs	Datasheet	81In Stock	£3.31 £2.50 £2.29 £2.07 View £1.96 £1.83 £1.79	Min.: 1 Mult.: 1
RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO EFR32BG21A020F1024IM32-B Silicon Labs 1: £5.37 12In Stock	Mfr. Part No. EFR32BG21A020F1024IM32-B Mouser Part No 634-BG21A020F102432B	Silicon Labs	RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO Learn More about Silicon Labs silabs efr32bg21 socs	Datasheet	12In Stock	£5.37 £4.11 £3.80 £3.46 View £3.30 £3.20 £3.16 £3.12	Min.: 1 Mult.: 1
RF System on a Chip - SoC ZG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN40 EFR32ZG23A010F512GM40-CR Silicon Labs 1: £6.25 74In Stock	Mfr. Part No. EFR32ZG23A010F512GM40-CR Mouser Part No 634-ZG2310F512GM40CR	Silicon Labs	RF System on a Chip - SoC ZG23, Sub-GHz, 512kB Flash, 64kB RAM, +14 dBm, QFN40 Learn More about Silicon Labs silabs z wave 800 modem soc solutions	Datasheet	74In Stock	Cut Tape £6.25 £4.82 £4.46 £4.07 View Reel £3.47 £3.77 £3.65 £3.47	Min.: 1 Mult.: 1 : 2,500
Development Boards & Kits - ARM LPC55S06-EVK LPC55S06-EVK NXP Semiconductors 1: £54.65 19In Stock	Mfr. Part No. LPC55S06-EVK Mouser Part No 771-LPC55S06-EVK	NXP Semiconductors	Development Boards & Kits - ARM LPC55S06-EVK Learn More about NXP Semiconductors nxp lpcxpresso55s06 dev board	Datasheet	19In Stock	£54.65	Min.: 1 Mult.: 1	No
ARM Microcontrollers - MCU Integrated optical controller w/ MCU, AD Analog Devices ADUCM410BBCZ ADUCM410BBCZ Analog Devices 1: £36.75 63In Stock	Mfr. Part No. ADUCM410BBCZ Mouser Part No 584-ADUCM410BBCZ	Analog Devices	ARM Microcontrollers - MCU Integrated optical controller w/ MCU, AD Learn More about Analog Devices adi aducm410 microcontroller	Datasheet	63In Stock	£36.75 £30.17 £29.20 £25.84 View £25.74 Quote	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU LPC55S04JBD64 NXP Semiconductors LPC55S04JBD64K LPC55S04JBD64K NXP Semiconductors 1: £4.43 700In Stock	Mfr. Part No. LPC55S04JBD64K Mouser Part No 771-LPC55S04JBD64K	NXP Semiconductors	ARM Microcontrollers - MCU LPC55S04JBD64 Learn More about NXP Semiconductors nxp semi lpc550x s0x mcus	Datasheet	700In Stock	£4.43 £3.40 £2.98 £2.85 View £2.64 £2.63 £2.60 Quote	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 160 MHz 2Mbytes Flash memory STM32U575AII6 STMicroelectronics 1: £9.70 132In Stock	Mfr. Part No. STM32U575AII6 Mouser Part No 511-STM32U575AII6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 160 MHz 2Mbytes Flash memory Learn More about STMicroelectronics stmicro stm32u5	Datasheet	132In Stock	£9.70 £7.60 £7.05 £6.50 View £6.27 £6.06 £5.92	Min.: 1 Mult.: 1
RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN40 EFR32FG23A010F256GM40-B Silicon Labs 1: £3.88 24In Stock	Mfr. Part No. EFR32FG23A010F256GM40-B Mouser Part No 634-FG23A10F256GM40B	Silicon Labs	RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN40 Learn More about Silicon Labs efr32fg23 socs	Datasheet	24In Stock	£3.88 £3.30 £3.09 £2.83 View £2.61 £2.54 £2.49 £2.44	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Arm Cortex-M33-based Microcontroller with 8KB Cache LPC5534JHI48/00E NXP Semiconductors 1: £7.27 148In Stock	Mfr. Part No. LPC5534JHI48/00E Mouser Part No 771-LPC5534JHI48/00E	NXP Semiconductors	ARM Microcontrollers - MCU Arm Cortex-M33-based Microcontroller with 8KB Cache Learn More about NXP Semiconductors nxp lpc553 mcus	Datasheet	148In Stock	£7.27 £5.45 £5.20 £4.51 View £4.31 £3.94 £3.74 £3.68 Quote	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU LPC55S66JEV98 LPC55S66JEV98E NXP Semiconductors 1: £8.20 247In Stock	Mfr. Part No. LPC55S66JEV98E Mouser Part No 771-LPC55S66JEV98E	NXP Semiconductors	ARM Microcontrollers - MCU LPC55S66JEV98 Learn More about NXP Semiconductors nxp lpc55s6x mcu	Datasheet	247In Stock	£8.20 £6.34 £6.04 £5.25 View £5.01 £4.57 £4.32 Quote	Min.: 1 Mult.: 1
RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 256kB RAM, +20 dBm, Secure Vault High, MVP, +125C, QFN48 EFR32MG24B220F1536IM48-B Silicon Labs 1: £6.14 4,186Expected 09/11/2026	Mfr. Part No. EFR32MG24B220F1536IM48-B Mouser Part No 634-32MGB220F153648B	Silicon Labs	RF System on a Chip - SoC MG24, 2.4 GHz, 1536kB Flash, 256kB RAM, +20 dBm, Secure Vault High, MVP, +125C, QFN48 Learn More about Silicon Labs efr32mg24	Datasheet	4,186Expected 09/11/2026	£6.14 £4.94 £4.57 £4.16 View £3.86 £3.82 £3.71 £3.55	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 128 kB AES MCU EFM32PG22C200F128IM40-C Silicon Labs 1: £1.55 12,250Expected 10/11/2026	Mfr. Part No. EFM32PG22C200F128IM40-C Mouser Part No 634-EFM32PG22C12840C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 128 kB AES MCU Learn More about Silicon Labs efm32pg22 mcus	Datasheet	12,250Expected 10/11/2026	£1.55 £1.14 £1.04 £0.934 View £0.871 £0.841 £0.826 £0.82	Min.: 1 Mult.: 1
RF System on a Chip - SoC FG28, Sub-GHz +20, 2.4 GHz +10, 1024kB Flash, 256kB RAM, +20 dBm, Secure Vault - High, MVP, QFN48 EFR32FG28B322F1024IM48-A Silicon Labs 1: £7.86 4,886On Order	Mfr. Part No. EFR32FG28B322F1024IM48-A Mouser Part No 634-FG28B322FIM48A	Silicon Labs	RF System on a Chip - SoC FG28, Sub-GHz +20, 2.4 GHz +10, 1024kB Flash, 256kB RAM, +20 dBm, Secure Vault - High, MVP, QFN48 Learn More about Silicon Labs fg28 dual band soc	Datasheet	4,886On Order	£7.86 £6.50 £6.11 £5.64 View £5.26 £5.24 Quote	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 512 kB AES MCU EFM32PG23B210F512IM48-C Silicon Labs 1: £3.03 11,409On Order	Mfr. Part No. EFM32PG23B210F512IM48-C Mouser Part No 634-PG23210F512IM48C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 512 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	11,409On Order On Order Ship Dates Mfr. No: EFM32PG23B210F512IM48-C Stock: 0 On Order: 1,609 Expected 27/10/2026 9,800 Expected 30/10/2026 Factory Lead Time: 12 Weeks	£3.03 £2.38 £2.13 £1.96 View £1.91 £1.80 £1.75 £1.72 £1.69	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 512 kB AES MCU EFM32PG23B310F512IM48-C Silicon Labs 1: £3.24 6,343Expected 10/11/2026	Mfr. Part No. EFM32PG23B310F512IM48-C Mouser Part No 634-PG23310F512IM48C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 512 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	6,343Expected 10/11/2026	£3.24 £2.56 £2.30 £2.12 View £2.07 £1.99 £1.94	Min.: 1 Mult.: 1
Development Boards & Kits - ARM RP2350 Microcontroller with Integrated 16Mbit Flash - Symmetric dual Arm Cortex-M33 cores at up to 150MHz - 520kByte multi-bank high performance SRAM - External Quad-SPI Flash with eXecute In Place (XIP) capabilities - Enhanced performance full-cross W5500-EVB-Pico2 WIZnet 1: £12.39 3,057On Order	Mfr. Part No. W5500-EVB-Pico2 Mouser Part No 950-W5500-EVB-PICO2	WIZnet	Development Boards & Kits - ARM RP2350 Microcontroller with Integrated 16Mbit Flash - Symmetric dual Arm Cortex-M33 cores at up to 150MHz - 520kByte multi-bank high performance SRAM - External Quad-SPI Flash with eXecute In Place (XIP) capabilities - Enhanced performance full-cross Learn More about WIZnet w5500 evb pico2 eval board		3,057On Order On Order Ship Dates Mfr. No: W5500-EVB-Pico2 Stock: 0 On Order: 737 Expected 20/11/2026 1,100 Expected 21/12/2026 1,220 Expected 19/02/2027 Factory Lead Time: 6 Weeks	£12.39	Min.: 1 Mult.: 1
Development Boards & Kits - ARM STM32 Nucleo-144 development board STM32H563ZI MCU, Arduino, ST Zio, morpho NUCLEO-H563ZI STMicroelectronics 1: £32.66 3,835On Order	Mfr. Part No. NUCLEO-H563ZI Mouser Part No 511-NUCLEO-H563ZI	STMicroelectronics	Development Boards & Kits - ARM STM32 Nucleo-144 development board STM32H563ZI MCU, Arduino, ST Zio, morpho Learn More about STMicroelectronics stm nucleo h563zi board	Datasheet	3,835On Order	£32.66	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Arm Cortex-M33 32-bit 250MHz, 128 Kbytes of Flash, 32 Kbytes of RAM, I3C STM32H503EBY6TR STMicroelectronics 1: £2.71 19,000On Order	Mfr. Part No. STM32H503EBY6TR Mouser Part No 511-STM32H503EBY6TR	STMicroelectronics	ARM Microcontrollers - MCU Arm Cortex-M33 32-bit 250MHz, 128 Kbytes of Flash, 32 Kbytes of RAM, I3C Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	19,000On Order On Order Ship Dates Mfr. No: STM32H503EBY6TR Stock: 0 On Order: 9,000 Expected 11/12/2026 10,000 TBD Factory Lead Time: 52 Weeks	Cut Tape £2.71 £1.88 £1.68 £1.48 View Reel £1.20 £1.45 £1.32 £1.20	Min.: 1 Mult.: 1 : 5,000
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 128-Kbyte Flash 32-Kbyte RAM 250 MHz CPU STM32H503KBU7 STMicroelectronics 1: £3.13 10,541On Order	Mfr. Part No. STM32H503KBU7 Mouser Part No 511-STM32H503KBU7	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 128-Kbyte Flash 32-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	10,541On Order On Order Ship Dates Mfr. No: STM32H503KBU7 Stock: 0 On Order: 1,721 Expected 09/12/2026 2,940 Expected 12/07/2027 5,880 Expected 09/08/2027 Factory Lead Time: 30 Weeks	£3.13 £2.11 £1.89 £1.68 View £1.63 £1.48	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523CCU6 STMicroelectronics 1: £3.58 8,245On Order	Mfr. Part No. STM32H523CCU6 Mouser Part No 511-STM32H523CCU6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	8,245On Order On Order Ship Dates Mfr. No: STM32H523CCU6 Stock: 0 On Order: 445 Expected 09/11/2026 4,680 Expected 18/12/2026 3,120 Expected 21/12/2026 Factory Lead Time: 30 Weeks	£3.58 £2.71 £2.36 £2.24 View £1.96 £1.95	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523CET6 STMicroelectronics 1: £4.77 13,555Expected 25/12/2026	Mfr. Part No. STM32H523CET6 Mouser Part No 511-STM32H523CET6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	13,555Expected 25/12/2026	£4.77 £3.27 £3.06 £2.65 View £2.60 £2.26	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523CEU6 STMicroelectronics 1: £3.88 26,439On Order	Mfr. Part No. STM32H523CEU6 Mouser Part No 511-STM32H523CEU6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	26,439On Order On Order Ship Dates Mfr. No: STM32H523CEU6 Stock: 0 On Order: 3,039 Expected 01/12/2026 4,680 Expected 16/12/2026 10,920 Expected 21/12/2026 7,800 Expected 03/05/2027 Factory Lead Time: 30 Weeks	£3.88 £2.94 £2.61 £2.45 £2.26	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523RET6 STMicroelectronics 1: £4.26 9,650On Order	Mfr. Part No. STM32H523RET6 Mouser Part No 511-STM32H523RET6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	9,650On Order On Order Ship Dates Mfr. No: STM32H523RET6 Stock: 0 On Order: 50 Expected 07/12/2026 5,760 Expected 28/12/2026 960 Expected 26/02/2027 2,880 Expected 14/06/2027 Factory Lead Time: 52 Weeks	£4.26 £3.13 £2.85 £2.62 £2.41	Min.: 1 Mult.: 1