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ARM Cortex M3 Core ARM Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 Value line ARM Cortex-M3 MCU 128Kb STM32F100CBT6BTR STMicroelectronics 1: $6.27 917In Stock	Mfr. Part No. STM32F100CBT6BTR Mouser Part No 511-STM32F100CBT6BTR	STMicroelectronics	ARM Microcontrollers - MCU Value line ARM Cortex-M3 MCU 128Kb Learn More about STMicroelectronics stm32f1	Datasheet	917In Stock	Cut Tape $6.27 $4.79 $4.20 $4.02 View Reel $3.50 $3.71 $3.51 $3.50 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F100CB			ARM Cortex M3		32 bit					2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU ARM Cortex M3 32kB 24 MHz 12 Timers STM32F100R6T6BTR STMicroelectronics 1: $5.80 934In Stock	Mfr. Part No. STM32F100R6T6BTR Mouser Part No 511-STM32F100R6T6BTR	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex M3 32kB 24 MHz 12 Timers Learn More about STMicroelectronics stm32f1	Datasheet	934In Stock	Cut Tape $5.80 $4.42 $3.87 $3.70 Reel $3.23 View $3.41 $3.17 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F100R6	SMD/SMT		ARM Cortex M3	128 kB	32 bit	12 bit	24 MHz	51 I/O	4 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Low Medium Value Line Advanced ARM STM32F100R8T6B STMicroelectronics 1: $6.16 788In Stock 960On Order	Mfr. Part No. STM32F100R8T6B Mouser Part No 511-STM32F100R8T6B	STMicroelectronics	ARM Microcontrollers - MCU Low Medium Value Line Advanced ARM Learn More about STMicroelectronics stm32f1	Datasheet	788In Stock 960On Order	$6.16 $4.71 $4.12 $3.84 View $3.61 $3.59 Quote	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 ARM 32Bit Value Line 64-Pin 32kB Flash STM32F100RBT6BTR STMicroelectronics 1: $7.02 855In Stock	Mfr. Part No. STM32F100RBT6BTR Mouser Part No 511-STM32F100RBT6BTR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	855In Stock	Cut Tape $7.02 $5.40 $4.73 $4.56 Reel $4.07 View $4.40 $4.19 $3.97 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F100RB	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	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT CORTEX M3 Value Line 64KB STM32F100V8T6B STMicroelectronics 1: $6.88 481In Stock 540Expected 2026/11/06	Mfr. Part No. STM32F100V8T6B Mouser Part No 511-STM32F100V8T6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 Value Line 64KB Learn More about STMicroelectronics stm32f1	Datasheet	481In Stock 540Expected 2026/11/06	$6.88 $5.04 $4.68 $4.36 $4.06	Min.: 1 Mult.: 1	STM32F100V8	SMD/SMT		ARM Cortex M3	64 kB	32 bit	12 bit	24 MHz	80 I/O	8 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 32kB Flash STM32F100VCT6BTR STMicroelectronics 1: $8.32 1,670In Stock	Mfr. Part No. STM32F100VCT6BTR Mouser Part No 511-STM32F100VCT6BTR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 32kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	1,670In Stock	Cut Tape $8.32 $6.43 $5.68 $5.44 Reel $4.83 View $5.25 $4.76 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F100VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	24 MHz	80 I/O	24 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Access Line STM32F101C6T6ATR STMicroelectronics 1: $6.71 641In Stock	Mfr. Part No. STM32F101C6T6ATR Mouser Part No 511-STM32F101C6T6ATR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Access Line Learn More about STMicroelectronics stm32f1	Datasheet	641In Stock	Cut Tape $6.71 $4.93 $4.59 $4.04 View Reel $3.02 $3.83 $3.45 $3.08 $3.02 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F101C6	SMD/SMT	LQFP-48	ARM Cortex M3	32 kB	32 bit	12 bit	36 MHz	37 I/O	6 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Access Line STM32F101C8T6TR STMicroelectronics 1: $6.47 1,128In Stock 2,400Expected 2027/01/18	Mfr. Part No. STM32F101C8T6TR Mouser Part No 511-STM32F101C8T6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Access Line Learn More about STMicroelectronics stm32f1	Datasheet	1,128In Stock 2,400Expected 2027/01/18	Cut Tape $6.47 $4.97 $4.35 $4.14 View Reel $3.37 $4.02 $3.68 $3.51 $3.37 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F101C8	SMD/SMT	LQFP-48	ARM Cortex M3	64 kB	32 bit	12 bit	36 MHz	37 I/O	10 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 128K 16KB RAM 1X12 ADC STM32F101CBT6 STMicroelectronics 1: $8.26 2,007In Stock 1,500Expected 2027/08/23	Mfr. Part No. STM32F101CBT6 Mouser Part No 511-STM32F101CBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K 16KB RAM 1X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	2,007In Stock 1,500Expected 2027/08/23	$8.26 $5.76 $5.50 $4.79 View $4.57 $4.43 $4.15 Quote	Min.: 1 Mult.: 1	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	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 10KB RAM 1X12 ADC STM32F101R8T6 STMicroelectronics 1: $6.93 3,851In Stock	Mfr. Part No. STM32F101R8T6 Mouser Part No 511-STM32F101R8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 10KB RAM 1X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	3,851In Stock	$6.93 $5.33 $4.68 $4.36 View $4.34 $4.09 $4.08	Min.: 1 Mult.: 1	STM32F101R8	SMD/SMT	LQFP-64	ARM Cortex M3	64 kB	32 bit	12 bit	36 MHz	64 I/O	10 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 ACCESS LINE STM32F101VET6 STMicroelectronics 1: $12.27 229In Stock	Mfr. Part No. STM32F101VET6 Mouser Part No 511-STM32F101VET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 ACCESS LINE Learn More about STMicroelectronics stm32f1	Datasheet	229In Stock	$12.27 $9.97 $9.50 $8.26 View $7.43 $7.40 $7.23	Min.: 1 Mult.: 1	STM32F101VE	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	12 bit	36 MHz	80 I/O	48 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D USB MCU STM32F102C8T6 STMicroelectronics 1: $6.76 1,353In Stock	Mfr. Part No. STM32F102C8T6 Mouser Part No 511-STM32F102C8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	1,353In Stock	$6.76 $5.18 $4.54 $4.35 View $4.14 $4.01 $3.97 $3.76 Quote	Min.: 1 Mult.: 1	STM32F102C8	SMD/SMT	LQFP-48	ARM Cortex M3	64 kB	32 bit	12 bit	48 MHz	37 I/O	10 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D ACCESS USB MCU STM32F102R8T6 STMicroelectronics 1: $8.15 540In Stock	Mfr. Part No. STM32F102R8T6 Mouser Part No 511-STM32F102R8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	540In Stock	$8.15 $5.70 $5.43 $4.72 View $4.62 $4.34 $4.19 $4.08 Quote	Min.: 1 Mult.: 1	STM32F102R8	SMD/SMT	LQFP-64	ARM Cortex M3	64 kB	32 bit	12 bit	48 MHz	51 I/O	10 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D ACCESS USB MCU STM32F102RBT6 STMicroelectronics 1: $8.12 914In Stock	Mfr. Part No. STM32F102RBT6 Mouser Part No 511-STM32F102RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	914In Stock	$8.12 $6.26 $5.52 $5.05 $4.76	Min.: 1 Mult.: 1	STM32F102RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	48 MHz	51 I/O	16 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D 32 to 128 USB/CAN STM32F103C6T6ATR STMicroelectronics 1: $6.23 2,192In Stock	Mfr. Part No. STM32F103C6T6ATR Mouser Part No 511-STM32F103C6T6ATR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D 32 to 128 USB/CAN Learn More about STMicroelectronics stm32f1	Datasheet	2,192In Stock	Cut Tape $6.23 $4.73 $4.40 $4.00 View Reel $3.50 $3.92 $3.58 $3.51 $3.50 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F103C6	SMD/SMT	LQFP-48	ARM Cortex M3	32 kB	32 bit	12 bit	72 MHz	37 I/O	10 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE STM32F103R8T6TR STMicroelectronics 1: $6.55 1,367In Stock	Mfr. Part No. STM32F103R8T6TR Mouser Part No 511-STM32F103R8T6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	1,367In Stock	Cut Tape $6.55 $5.37 $4.88 $4.71 View Reel $4.08 $4.64 $4.42 $4.08 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F103R8	SMD/SMT	LQFP-64	ARM Cortex M3	64 kB	32 bit	12 bit	72 MHz	51 I/O	20 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE STM32F103RBT7 STMicroelectronics 1: $9.61 1,030In Stock	Mfr. Part No. STM32F103RBT7 Mouser Part No 511-STM32F103RBT7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	1,030In Stock	$9.61 $7.43 $6.84 $6.11 View $5.76 Quote	Min.: 1 Mult.: 1	STM32F103RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	51 I/O	20 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LN 64 PIN IND STM32F103RBT7TR STMicroelectronics 1: $9.89 288In Stock	Mfr. Part No. STM32F103RBT7TR Mouser Part No 511-STM32F103RBT7TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LN 64 PIN IND Learn More about STMicroelectronics stm32f1	Datasheet	288In Stock	Cut Tape $9.89 $7.65 $6.78 $6.40 Reel $5.31 View $6.25 $5.78 $5.14 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F103RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	51 I/O	20 kB	2 V	3.6 V	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE STM32F103RET6 STMicroelectronics 1: $12.30 601In Stock 4,800On Order	Mfr. Part No. STM32F103RET6 Mouser Part No 511-STM32F103RET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	601In Stock 4,800On Order	$12.30 $9.64 $8.56 $8.04 $7.91	Min.: 1 Mult.: 1 Max.: 250	STM32F103RE	SMD/SMT	LQFP-64	ARM Cortex M3	512 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 32BIT Cortex M3 H/D Performance LINE STM32F103RET7 STMicroelectronics 1: $12.47 559In Stock	Mfr. Part No. STM32F103RET7 Mouser Part No 511-STM32F103RET7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	559In Stock	$12.47 $10.14 $9.44 $8.58 View $8.40 $8.26 $8.15	Min.: 1 Mult.: 1	STM32F103RE	SMD/SMT	LQFP-64	ARM Cortex M3	512 kB	32 bit	12 bit	72 MHz	51 I/O	64 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash STM32F103RGT6 STMicroelectronics 1: $15.72 644In Stock 2,880On Order	Mfr. Part No. STM32F103RGT6 Mouser Part No 511-STM32F103RGT6	STMicroelectronics	ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash Learn More about STMicroelectronics stm32f1	Datasheet	644In Stock 2,880On Order On Order Ship Dates Mfr. No: STM32F103RGT6 Stock: 644 Can Dispatch Immediately On Order: 960 Expected 2026/11/02 1,920 Expected 2027/01/21 Factory Lead Time: 52 Weeks	$15.72 $12.34 $11.25 $10.47 View $10.26 $10.08	Min.: 1 Mult.: 1	STM32F103RG	SMD/SMT	LQFP-64	ARM Cortex M3	1 MB	32 bit	12 bit	72 MHz	112 I/O	96 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 FL PERFORMANCE LINE STM32F103T8U6 STMicroelectronics 1: $8.30 464In Stock 2,940Expected 2027/05/17	Mfr. Part No. STM32F103T8U6 Mouser Part No 511-STM32F103T8U6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 FL PERFORMANCE LINE Learn More about STMicroelectronics stm32f1	Datasheet	464In Stock 2,940Expected 2027/05/17	$8.30 $5.80 $5.54 $4.99 View $4.77 $4.63 $4.59 $4.40	Min.: 1 Mult.: 1	STM32F103T8	SMD/SMT	UFQFPN-36	ARM Cortex M3	64 kB	32 bit	12 bit	72 MHz	26 I/O	20 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE STM32F103VBT7 STMicroelectronics 1: $10.40 908In Stock	Mfr. Part No. STM32F103VBT7 Mouser Part No 511-STM32F103VBT7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	908In Stock	$10.40 $7.54 $6.92 $6.83 View $6.42 $6.04 $6.02	Min.: 1 Mult.: 1	STM32F103VB	SMD/SMT	LQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	80 I/O	20 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 260 to 512 USB/CAN STM32F103VDT6 STMicroelectronics 1: $10.66 997In Stock	Mfr. Part No. STM32F103VDT6 Mouser Part No 511-STM32F103VDT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 260 to 512 USB/CAN Learn More about STMicroelectronics stm32f1	Datasheet	997In Stock	$10.66 $8.66 $7.99 $7.43 View $7.11 $6.80 Quote	Min.: 1 Mult.: 1	STM32F103VD	SMD/SMT	LQFP-100	ARM Cortex M3	384 kB	32 bit	12 bit	72 MHz	80 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU STM32F103 Perf Line M3 384kB 72 MHz MCU STM32F103VDT6TR STMicroelectronics 1: $11.86 566In Stock	Mfr. Part No. STM32F103VDT6TR Mouser Part No 511-STM32F103VDT6TR	STMicroelectronics	ARM Microcontrollers - MCU STM32F103 Perf Line M3 384kB 72 MHz MCU Learn More about STMicroelectronics stm32f1	Datasheet	566In Stock	Cut Tape $11.86 $9.27 $8.23 $7.90 $7.51 Reel $6.93 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F103VD	SMD/SMT	LQFP-100	ARM Cortex M3	384 kB	32 bit	12 bit	72 MHz		64 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel