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: $11.82 7,489In 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	7,489In Stock	$11.82 $9.14 $8.07 $7.74 View $7.38 $7.18 $7.16 $6.90	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: $11.58 4,350In Stock 1,500Expected 2/1/2027	Mfr. Part # STM32F103CBT6 Mouser Part # 511-STM32F103CBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K MED Performance LN Learn More about STMicroelectronics stm32f1	Datasheet	4,350In Stock 1,500Expected 2/1/2027	$11.58 $8.68 $8.28 $7.19 View $6.86 $6.51 $6.36 $6.16	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: $12.09 4,559In 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	4,559In Stock	Cut Tape $12.09 $8.84 $8.13 $7.38 View Reel $6.57 $7.22 $6.60 $6.57 $6.57 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: $11.19 1,548In Stock 1,560Expected 8/2/2027	Mfr. Part # STM32F103CBU6 Mouser Part # 511-STM32F103CBU6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Performance Learn More about STMicroelectronics stm32f1	Datasheet	1,548In Stock 1,560Expected 8/2/2027	$11.19 $8.59 $7.63 $7.25 $7.18	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: $11.56 10,920Expected 2/8/2027	Mfr. Part # STM32F103CBT6TR Mouser Part # 511-STM32F103CBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	10,920Expected 2/8/2027	Cut Tape $11.56 $8.93 $7.61 $7.07 $6.90 Reel $6.90 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 2,400: $6.80 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	Reel $6.80	Min.: 2,400 Mult.: 2,400 : 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