STMicroelectronics STM32F103CB Series ARM Microcontrollers - MCU

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 32BIT Cortex M3 M/D Performance LINE STM32F103CBT7 STMicroelectronics 1: $9.09 7,645In Stock	Mfr. Part # STM32F103CBT7 Mouser Part # 511-STM32F103CBT7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	7,645In Stock	$9.09 $7.03 $6.21 $5.95 View $5.68 $5.52 $5.51 $5.31	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	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 128K MED Performance LN STM32F103CBT6 STMicroelectronics 1: $8.91 4,157In Stock 1,500Expected 2/15/2027	Mfr. Part # STM32F103CBT6 Mouser Part # 511-STM32F103CBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K MED Performance LN Learn More about STMicroelectronics stm32f1	Datasheet	4,157In Stock 1,500Expected 2/15/2027	$8.91 $6.68 $6.37 $5.53 View $5.28 $5.01 $4.89 $4.74	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
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m STM32F103CBU6TR STMicroelectronics 1: $9.30 5,019In Stock	Mfr. Part # STM32F103CBU6TR Mouser Part # 511-STM32F103CBU6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m Learn More about STMicroelectronics stm32f1	Datasheet	5,019In Stock	Cut Tape $9.30 $6.80 $6.25 $5.68 View Reel $5.05 $5.55 $5.08 $5.05 $5.05 Quote MouseReel Available	Min.: 1 Mult.: 1 : 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
ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Performance STM32F103CBU6 STMicroelectronics 1: $8.61 1,543In Stock 1,560Expected 6/21/2027	Mfr. Part # STM32F103CBU6 Mouser Part # 511-STM32F103CBU6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Performance Learn More about STMicroelectronics stm32f1	Datasheet	1,543In Stock 1,560Expected 6/21/2027	$8.61 $6.61 $5.87 $5.58 $5.52	Min.: 1 Mult.: 1	STM32F103CB	SMD/SMT	UQFN-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
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE STM32F103CBT6TR STMicroelectronics 1: $8.89 12,694Expected 2/15/2027	Mfr. Part # STM32F103CBT6TR Mouser Part # 511-STM32F103CBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	12,694Expected 2/15/2027	Cut Tape $8.89 $6.87 $5.85 $5.44 $5.31 Reel $5.31 MouseReel Available	Min.: 1 Mult.: 1 Max.: 360 : 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
ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Performance STM32F103CBT7TR STMicroelectronics 1: $9.53 Non-Stocked Lead-Time 40 Weeks	Mfr. Part # STM32F103CBT7TR Mouser Part # 511-STM32F103CBT7TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Performance Learn More about STMicroelectronics stm32f1	Datasheet	Non-Stocked Lead-Time 40 Weeks	Cut Tape $9.53 $7.14 $6.81 $5.92 View Reel $5.23 $5.65 $5.36 $5.23 $5.23 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F103CB	SMD/SMT	LQFP-48	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz		20 kB	2 V	3.6 V	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel