STM32H503RBT6 The STM32H503RBT6 is a high-performance microcontroller from STMicroelectronics, built on an ARM Cortex-M33 core. It offers 250MHz speed and 128KB of FLASH program memory.
Mfr Part #:

STM32H503RBT6

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STM32H503RBT6 is a high-performance microcontroller from STMicroelectronics, built on an ARM Cortex-M33 core. It offers 250MHz speed and 128KB of FLASH program memory.
✓ Total Stock: 12,000 pcs
$ Price Range: $6.40

STM32H503RBT6 Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
12,000 pcs
12000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16

STM32H503RBT6 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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AEC Qualified
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Data Converters
Industrial Grade
Medical Grade
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Operating Temperature
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STM32H503RBT6 Description

Short technical summary and product information.

This STMicroelectronics STM32H503RBT6 is a high-performance microcontroller featuring the ARM Cortex-M33 32-bit core. It operates at a speed of 250MHz and is equipped with 128KB of FLASH program memory and 32KB of RAM.

 

The microcontroller supports a wide voltage range of 1.71V to 3.6V and operates within an ambient temperature range of -40°C to 85°C. It includes various peripherals such as DMA, I²S, PWM, TRNG, and WDT, along with connectivity options including CANbus, I²C, SPI, and USB.

 

Designed for surface mounting, the STM32H503RBT6 comes in a 64-LQFP package with dimensions of 10x10mm. It features 16 analog-to-digital converters (12-bit) and one 12-bit digital-to-analog converter. The device also incorporates both external and internal oscillator types.

STM32H503RBT6 Quick Information

Product Type: Microcontroller
Series: STM32H503RBT6
Canonical Name: STM32H503RBT6 ARM Cortex-M33 Microcontroller
Subcategory: Embedded

STM32H503RBT6 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

STM32H503RBT6 Estimated Pricing

Qty Low High
1+ $6.40 $6.40

Estimated market price range - modelled values for guidance only, not live distributor offers.

STM32H503RBT6 Features

  • High-performance ARM Cortex-M33 32-bit core.
  • Operates at a speed of 250MHz.
  • 128KB FLASH program memory.
  • 32KB RAM size.
  • Surface mount 64-LQFP package.

STM32H503RBT6 Applications

  • Ideal for high-performance embedded systems
  • Suitable for IoT and industrial automation
  • Supports complex communication protocols
  • Designed for temperature range -40°C to 85°C

STM32H503RBT6 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the STM32H503RBT6?

The operating voltage range is 1.71V to 3.6V.

What package type is the STM32H503RBT6 microcontroller supplied in?

It is supplied in a 64-LQFP package.

What is the operating temperature range for the STM32H503RBT6?

The operating temperature range is -40°C to 85°C (TA).

Is the STM32H503RBT6 RoHS compliant?

Yes, it is RoHS3 Compliant.

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