STM8S903K3T6CTR STMicroelectronics Integrated Circuit (Quad Flat Packages) In Stock

16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640 bytes EEPROM,10-bit ADC, 2 timers, UART, SPI, I²C

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
STM8S903K3T6CTRQuad Flat Packages
Quick Facts
Manufacturer
STMicroelectronics
Package
Quad Flat Packages
Pin Count
32
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $0.9790(MOQ 250)
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Factory Lead Time10Weeks
YTEOL9
Has ADCYES
Bit Size8
Boundary ScanYES
CPU FamilySTM8
Clock Frequency-Max16MHz
DAC ChannelsNO
DMA ChannelsNO
JESD-30 CodeS-PQFP-G32
Number of I/O Lines24
On Chip Program ROM Width32
PWM ChannelsYES
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeQFP32,.35SQ,32
Package ShapeSQUARE
Package StyleFLATPACK, LOW PROFILE
Peak Reflow Temperature (Cel)NOT SPECIFIED
Qualification StatusNot Qualified
RAM (bytes)1024
ROM (words)2048
ROM ProgrammabilityFLASH
Speed16MHz
Supply Current-Max4.75mA
Supply Voltage-Max5.5V
Supply Voltage-Min3.3V
Supply Voltage-Nom3.3V
Surface MountYES
TechnologyCMOS
Temperature GradeINDUSTRIAL
Terminal FormGULL WING
Terminal Pitch0.8mm
Terminal PositionQUAD
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER
PackageQuad Flat Packages

Compliance & Regulatory

RoHS StatusCompliant
ECCNEAR99
HTS Code8542.31.00.15
Country of OriginMalaysia

Datasheet

STM8S903K3T6CTR Datasheet Download

Official datasheet from STMicroelectronics

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for STM8S903K3T6CTR:

STM8S903K3U6TRSTMicroelectronics

Microcontroller, 8-Bit, FLASH, 16MHz, CMOS

View Part →
STM8S903K3T6CSTMicroelectronics

Microcontroller, 8-Bit, FLASH, STM8 CPU, 16MHz, CMOS, PQFP32

View Part →
STM8S903F3M6TRSTMicroelectronics

Microcontroller, 8-Bit, FLASH, 16MHz, CMOS, PDSO20

View Part →
STM8S903F3P6TRSTMicroelectronics

Microcontroller, 8-Bit, FLASH, 16MHz, CMOS, PDSO20

View Part →
STM8S903K3U3TRSTMicroelectronics

Microcontroller, 8-Bit, FLASH, 16MHz, CMOS

View Part →

Frequently Asked Questions

What is the price of STM8S903K3T6CTR?

STM8S903K3T6CTR is priced from $0.9790 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is STM8S903K3T6CTR in stock?

STM8S903K3T6CTR is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy STM8S903K3T6CTR?

You can buy STM8S903K3T6CTR from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for STM8S903K3T6CTR from STMicroelectronics.

What is the datasheet for STM8S903K3T6CTR?

The official STM8S903K3T6CTR datasheet from STMicroelectronics contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does STM8S903K3T6CTR come in?

STM8S903K3T6CTR is available in Quad Flat Packages packaging. See the package diagram and pinout above for detailed dimensional information.

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
$
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

About STMicroelectronics

STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.

AvailabilityIn Stock
Reference Price (USD)
From $0.9790
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
250+$1.2072$301.80
500+$1.1513$575.65
1000+$1.1300$1130.00
2400+$1.0485$2516.40
4800+$1.0382$4983.36
9600+$0.9790$9398.50
pcs
Unit price: $1.2072 · Total: $301.80

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy