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STMicroelectronics STM32F103CB Series ARM Microcontrollers - MCU

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Manufacturer = STMicroelectronics Series = STM32F103CB

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	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: $8.82 7,694In 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	7,694In Stock	$8.82 $6.82 $6.02 $5.77 View $5.51 $5.35 $5.23 $5.07	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 5,262In Stock 1,500Expected 1/21/2027	Mfr. Part # STM32F103CBT6 Mouser Part # 511-STM32F103CBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K MED Performance LN Learn More about STMicroelectronics stm32f1	Datasheet	5,262In Stock 1,500Expected 1/21/2027	$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 32BIT Cortex M3 M/D Performance LINE STM32F103CBT6TR STMicroelectronics 1: $8.79 273In Stock 10,909Expected 1/21/2027	Mfr. Part # STM32F103CBT6TR Mouser Part # 511-STM32F103CBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	273In Stock 10,909Expected 1/21/2027	Cut Tape $8.79 $6.79 $6.02 $5.30 $5.07 Reel $5.07 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 Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m STM32F103CBU6TR STMicroelectronics 1: $8.57 4,991Expected 11/2/2026	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	4,991Expected 11/2/2026	Cut Tape $8.57 $6.54 $5.82 $5.47 View Reel $4.63 $5.33 $4.87 $4.82 $4.63 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: $8.16 3,112On Order	Mfr. Part # STM32F103CBU6 Mouser Part # 511-STM32F103CBU6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Performance Learn More about STMicroelectronics stm32f1	Datasheet	3,112On Order On Order Ship Dates Mfr. #: STM32F103CBU6 Stock: 0 On Order: 1,552 Expected 11/16/2026 1,560 Expected 3/19/2027 Factory Lead-Time: 40 Weeks	$8.16 $6.23 $5.58 $5.26 View $5.01 $4.87	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 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