STM32 F1 Mainstream MCUs

STMicroelectronics STM32 F1 Mainstream Microcontrollers (MCUs) cover the needs of a large variety of applications in the industrial, medical, and consumer markets. With this series, ST has pioneered the world of Arm® Cortex®-M microcontrollers and set a milestone in the history of embedded applications. High performance with first-class peripherals and low-power, low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools. These STMicroelectronics MCUs come with up to 72MHz CPU frequency, from 16KB to 1MB Flash, 4KB to 80KB of RAM, and a variety of embedded peripherals, such as USB, timers, USART, temperature sensor, ADC, and DAC.

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Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
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Program Memory Size
Data Bus Width
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Supply Voltage - Max
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STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
5,019In Stock
Min.: 1
Mult.: 1

STM32F105R8 SMD/SMT LQFP-64 ARM Cortex M3 64 kB 32 bit 12 bit 72 MHz 51 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 Value Line 64KB
Datasheet
659In Stock
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
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 128K 16KB RAM 1X12 ADC
Datasheet
1,338In Stock
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
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 ACCESS LINE
Datasheet
282In Stock
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
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 USB 7 TIMERS 2 ADCS CAN
Datasheet
3,001In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,400

STM32F103C8 SMD/SMT LQFP-48 ARM Cortex M3 64 kB 32 bit 12 bit 72 MHz 37 I/O 20 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 Medium-density
Datasheet
1,096In Stock
Min.: 1
Mult.: 1

STM32F103C8 SMD/SMT LQFP-48 ARM Cortex M3 64 kB 32 bit 12 bit 72 MHz 37 I/O 20 kB 2 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 64 Kbytes of Flash 72 MHz CPU, mo
Datasheet
2,357In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,400

STM32F103C8 SMD/SMT 12 bit Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 128K MED Performance LN
Datasheet
2,360In Stock
Min.: 1
Mult.: 1

STM32F103CB SMD/SMT LQFP-48 ARM Cortex M3 128 kB 32 bit 12 bit 72 MHz 37 I/O 20 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m
Datasheet
3,151In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

STM32F103CB SMD/SMT UFQFPN-48 ARM Cortex M3 128 kB 32 bit 12 bit 72 MHz 37 I/O 20 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE
Datasheet
636In Stock
Min.: 1
Mult.: 1

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 + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto
Datasheet
1,000In Stock
1,000Expected 26/3/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

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 Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m
Datasheet
3,190In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

STM32F103TB SMD/SMT VFQFPN-36 ARM Cortex M3 128 kB 32 bit 12 bit 72 MHz 26 I/O 20 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 261 to 512 USB/CAN
Datasheet
628In Stock
Min.: 1
Mult.: 1

STM32F103ZC SMD/SMT LQFP-144 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 112 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash
Datasheet
773In Stock
Min.: 1
Mult.: 1

STM32F103ZG SMD/SMT BGA-144 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
STMicroelectronics ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 64 Kbytes of Flash 72 MHz CPU, CAN,
Datasheet
2,907In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

STM32F105R8 SMD/SMT LQFP-64 ARM Cortex M3 64 kB 32 bit 12 bit 72 MHz 51 I/O 96 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU STM32F105 Conn Line M3 256kB 72 MHz MCU
Datasheet
1,739In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

STM32F107VC SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 80 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU,
Datasheet
474In Stock
Min.: 1
Mult.: 1

STM32F107VC SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 80 I/O 64 kB 2 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash
Datasheet
144In Stock
Min.: 1
Mult.: 1

STM32F100RD SMD/SMT LQFP-64 ARM Cortex M3 384 kB 32 bit 12 bit 24 MHz 51 I/O 32 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 Access Line
Datasheet
167In Stock
960Expected 13/4/2026
Min.: 1
Mult.: 1

STM32F101RE SMD/SMT LQFP-64 ARM Cortex M3 512 kB 32 bit 12 bit 36 MHz 51 I/O 48 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE
Datasheet
304In Stock
4,800Expected 18/3/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,400

STM32F103CB SMD/SMT LQFP-48 ARM Cortex M3 128 kB 32 bit 12 bit 72 MHz 37 I/O 20 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m
Datasheet
238In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

STM32F1 SMD/SMT LQFP-64 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 51 I/O 48 kB 2 V 3.6 V - 40 C + 105 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex High Density 512kb
Datasheet
735In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

STM32F103VE SMD/SMT LQFP-100 ARM Cortex M3 512 kB 32 bit 12 bit 72 MHz 64 kB 2 V 3.6 V - 40 C + 105 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Access MCU 144-Pin 256kB Flash
Datasheet
196In Stock
Min.: 1
Mult.: 1

STM32F103ZC SMD/SMT LQFP-144 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 112 I/O 64 kB 2 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
47In Stock
960Expected 24/3/2026
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
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 512 Kbyte Value Line
Datasheet
491In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

STM32F100RE SMD/SMT LQFP-64 ARM Cortex M3 512 kB 32 bit 12 bit 24 MHz 51 I/O 32 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel