STM32L432KCU3 STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock

Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, up to 256KB Flash, 64KB SRAM, USB FS, analog, audio

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
STM32L432KCU3Quad Flat No-Lead
Quick Facts
Manufacturer
STMicroelectronics
Package
Quad Flat No-Lead
Pin Count
33
Lifecycle
ACTIVE
Category
Integrated Circuit
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Factory Lead Time12Weeks
Date Of Intro2018-05-25
YTEOL9
Has ADCYES
Bit Size32
Clock Frequency-Max48MHz
DMA ChannelsYES
JESD-609 Codee3
Number of I/O Lines26
PWM ChannelsYES
Package ShapeSQUARE
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260
Speed80MHz
Supply Voltage-Max3.6V
Supply Voltage-Min1.71V
Supply Voltage-Nom1.8V
Surface MountYES
Terminal FinishMatte Tin (Sn)
Terminal FormNO LEAD
Terminal Pitch0.5mm
Terminal PositionQUAD
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISC
PackageQuad Flat No-Lead

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 3
ECCN3A991.A.2
HTS Code8542.31.00.25
Country of OriginMainland China, Taiwan

Datasheet

STM32L432KCU3 Datasheet Download

Official datasheet from STMicroelectronics

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for STM32L432KCU3:

STM32L431KCU6STMicroelectronics

RISC Microcontroller, 32-Bit, 80MHz

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STM32L442KCU6STMicroelectronics

RISC Microcontroller

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STM32L431KBU3STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQCC32

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STM32L412KBU3STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS

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STM32L412KBU6STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS

View Part →
STM32L422KBU6STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS

View Part →

Frequently Asked Questions

What is the price of STM32L432KCU3?

STM32L432KCU3 is priced from competitive USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is STM32L432KCU3 in stock?

STM32L432KCU3 is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.

Where can I buy STM32L432KCU3?

You can buy STM32L432KCU3 from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for STM32L432KCU3 from STMicroelectronics.

What is the datasheet for STM32L432KCU3?

The official STM32L432KCU3 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 STM32L432KCU3 come in?

STM32L432KCU3 is available in Quad Flat No-Lead packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

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Factory-direct from China distributors, low MOQ
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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)
Contact for Price
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pcs

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