ST1S03PUR STMicroelectronics Integrated Circuit (Small Outline No-lead) In Stock

STMicroelectronics, ST1S03PUR Step-Down Switching Regulator Adjustable, 6-Pin DFN

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
ST1S03PURSmall Outline No-lead
Quick Facts
Manufacturer
STMicroelectronics
Package
Small Outline No-lead
Pin Count
6
Lifecycle
ACTIVE
Category
Integrated Circuit
Temp Range
?°C to 150.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Factory Lead Time16Weeks
YTEOL7.7
Analog IC - Other TypeSWITCHING REGULATOR
Control ModeCURRENT-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max16V
Input Voltage-Min3V
Input Voltage-Nom5V
JESD-30 CodeS-XDSO-N6
JESD-609 Codee4
Number of Functions1
Output Current-Max1.5A
Package Body MaterialUNSPECIFIED
Package Equivalence CodeSOLCC6,.11,37
Package ShapeSQUARE
Package StyleSMALL OUTLINE, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260
Qualification StatusNot Qualified
Surface MountYES
Switcher ConfigurationBUCK
Switching Frequency-Max1800kHz
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormNO LEAD
Terminal Pitch0.95mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
PackageSmall Outline No-lead

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 3
ECCNEAR99
HTS Code8542.39.00.60
Country of OriginPhilippines

Datasheet

ST1S03PUR Datasheet Download

Official datasheet from STMicroelectronics

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for ST1S03PUR:

Frequently Asked Questions

What is the price of ST1S03PUR?

ST1S03PUR is priced from competitive USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is ST1S03PUR in stock?

ST1S03PUR 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 ST1S03PUR?

You can buy ST1S03PUR from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for ST1S03PUR from STMicroelectronics.

What is the datasheet for ST1S03PUR?

The official ST1S03PUR 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 ST1S03PUR come in?

ST1S03PUR is available in Small Outline No-lead packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

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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
Buy from 1pc · Factory-direct pricing
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