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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersSTM8S103F3U6TR
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STM8S103F3U6TR - STMicroelectronics

Manufacturer Part Number
STM8S103F3U6TR
Manufacturer
STMicroelectronics
Allelco Part Number
32D-STM8S103F3U6TR
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC MCU 8BIT 8KB FLASH 20UFQFN
Package
20-UFQFN
Data sheet
1.STM8S103F3U6TR.pdf ...
RoHs Status
ROHS3 Compliant
Our certification
In stock: 51640
  • Unit Price: $1.241
  • Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $1.241 $1.24
10+ $1.083 $10.83
30+ $0.985 $29.55
100+ $0.885 $88.50
500+ $0.84 $420.00
1000+ $0.821 $821.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Our certification

Specifications

STM8S103F3U6TR Tech Specifications
STMicroelectronics - STM8S103F3U6TR technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - STM8S103F3U6TR

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Supply (Vcc/Vdd) 2.95V ~ 5.5V  
Speed 16MHz  
Series STM8S  
RAM Size 1K x 8  
Program Memory Type FLASH  
Program Memory Size 8KB (8K x 8)  
Peripherals Brown-out Detect/Reset, POR, PWM, WDT  
Package / Case 20-UFQFN  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 85°C (TA)  
Number of I/O 16  
Mounting Type Surface Mount  
EEPROM Size 640 x 8  
Data Converters A/D 5x10b  
Core Size 8-Bit  
Core Processor STM8  
Connectivity I²C, IrDA, LINbus, SPI, UART/USART  
Base Product Number STM8  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.31.0001

Parts Introduction

Manufacturer Part Number

STM8S103F3U6TR

Manufacturer

STMicroelectronics

Introduction

The STM8S103F3U6TR is a high-performance, low-power, 8-bit microcontroller from STMicroelectronics. It is part of the STM8S series and is designed for a wide range of embedded applications.

Product Features and Performance

8-bit STM8 core processor

16 MHz operating speed

8 KB of Flash program memory

1 KB of RAM

640 bytes of EEPROM

16 I/O pins

Integrated peripherals including ADC, PWM, UART, SPI, and IrDA

Low power consumption in active and standby modes

Supports a wide operating voltage range of 2.95V to 5.5V

Product Advantages

Robust and reliable design

Versatile peripheral set for diverse applications

Low power consumption for extended battery life

Easy integration and programming

Key Technical Parameters

8-bit STM8 core processor

16 MHz operating speed

8 KB Flash program memory

1 KB RAM

640 bytes EEPROM

16 I/O pins

ADC, PWM, UART, SPI, IrDA

Quality and Safety Features

RoHS3 compliant

Operating temperature range of -40°C to 85°C

Brown-out detection and reset

Compatibility

Can be used in a wide range of embedded applications

Application Areas

Industrial automation

Home appliances

Handheld devices

Lighting control

Building automation

Product Lifecycle

The STM8S103F3U6TR is an active product in the STM8S series

Replacement or upgrade options are available from STMicroelectronics

Several Key Reasons to Choose This Product

Powerful 8-bit STM8 core with a rich set of on-chip peripherals

Low power consumption for battery-powered applications

Wide operating voltage range for flexible power supply designs

Robust and reliable design suitable for harsh environments

Easy integration and programming for quick development

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics STM8S103F3U6TR

Product Attribute STM8S103F3U6ATR STM8S103F3P6TR STM8S103F3P3TR STM8S103K3T3CTR
Part Number STM8S103F3U6ATR STM8S103F3P6TR STM8S103F3P3TR STM8S103K3T3CTR
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Peripherals - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
EEPROM Size - - - -
Program Memory Size - - - -
Core Processor - - - -
Voltage - Supply (Vcc/Vdd) - - - -
Core Size - - - -
Oscillator Type - - - -
Program Memory Type - - - -
Number of I/O - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
RAM Size - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Connectivity - - - -
Series - - - -
Speed - - - -
Data Converters - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42

STM8S103F3U6TR Datasheet PDF

Download STM8S103F3U6TR pdf datasheets and STMicroelectronics documentation for STM8S103F3U6TR - STMicroelectronics.

PCN Assembly/Origin
Assembly Process 04/Jan/2022.pdf
PCN Packaging
Box Label Chg 28/Jul/2016.pdf Moisture Barrier Bag 09/May/2016.pdf
PCN Design/Specification
New Bill of Material 17/Mar/2016.pdf
HTML Datasheet
STM8S103F3, STM8S103K3 Datasheet.pdf

Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

Write a Review

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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STM8S103F3U6TR Image

STM8S103F3U6TR

STMicroelectronics
32D-STM8S103F3U6TR

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