STM8S903K3U3 STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock

UFQFPN-32

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
STM8S903K3U3Quad Flat No-Lead
Quick Facts
Manufacturer
STMicroelectronics
Package
Quad Flat No-Lead
Pin Count
32
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $1.1419(MOQ 80)
Temp Range
-40.0°C to 125.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Manufacturer Package CodeUFQFPN
Factory Lead Time10Weeks
YTEOL9
Has ADCYES
Bit Size8
Boundary ScanYES
Clock Frequency-Max16MHz
DAC ChannelsNO
DMA ChannelsNO
JESD-30 CodeS-XQCC-N32
JESD-609 Codee3
Number of I/O Lines28
On Chip Program ROM Width32
PWM ChannelsYES
Package Body MaterialUNSPECIFIED
Package Equivalence CodeLCC32,.2SQ,20
Package ShapeSQUARE
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260
Qualification StatusNot Qualified
RAM (bytes)1024
ROM (words)2048
ROM ProgrammabilityFLASH
Speed16MHz
Supply Current-Max4.75mA
Supply Voltage-Max5.5V
Supply Voltage-Min2.95V
Supply Voltage-Nom3.3V
Surface MountYES
TechnologyCMOS
Temperature GradeAUTOMOTIVE
Terminal FinishMatte Tin (Sn)
Terminal FormNO LEAD
Terminal Pitch0.5mm
Terminal PositionQUAD
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER
PackageQuad Flat No-Lead

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 3
ECCNEAR99
HTS Code8542.31.00.15
Country of OriginPhilippines

Datasheet

STM8S903K3U3 Datasheet Download

Official datasheet from STMicroelectronics

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for STM8S903K3U3:

STM8S903K3U3TRSTMicroelectronics

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

View Part →
STM8S903K3U6TRSTMicroelectronics

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

View Part →

Frequently Asked Questions

What is the price of STM8S903K3U3?

STM8S903K3U3 is priced from $1.1419 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is STM8S903K3U3 in stock?

STM8S903K3U3 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 STM8S903K3U3?

You can buy STM8S903K3U3 from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for STM8S903K3U3 from STMicroelectronics.

What is the datasheet for STM8S903K3U3?

The official STM8S903K3U3 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 STM8S903K3U3 come in?

STM8S903K3U3 is available in Quad Flat No-Lead 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 $1.1419
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
80+$1.4400$115.20
225+$1.3600$306.00
490+$1.3100$641.90
1470+$1.1910$1750.76
2940+$1.1626$3417.96
5390+$1.1419$6154.68
pcs
Unit price: $1.4400 · Total: $115.20

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