L4973D5.1 STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock

SOP, SOP20,.4

OBSOLETEIntegrated CircuitVerified May 2026
Package / Visual Reference
L4973D5.1Small Outline Packages
Quick Facts
Manufacturer
STMicroelectronics
Package
Small Outline Packages
Pin Count
20
Lifecycle
OBSOLETE
Category
Integrated Circuit
Price
From $3.7900(MOQ 1)
Temp Range
-40.0°C to 150.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Reach Compliance CodeCompliant
YTEOL0
Analog IC - Other TypeSWITCHING REGULATOR
Control ModeVOLTAGE-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max55V
Input Voltage-Min8V
Input Voltage-Nom24V
JESD-30 CodeR-PDSO-G20
JESD-609 Codee3
Number of Functions1
Output Current-Max5.5A
Output Voltage-Max5.11V
Output Voltage-Min5.09V
Output Voltage-Nom5.1V
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP20,.4
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Peak Reflow Temperature (Cel)250
Qualification StatusNot Qualified
Surface MountYES
Switcher ConfigurationBUCK
Switching Frequency-Max300kHz
TechnologyBCDMOS
Terminal FinishMatte Tin (Sn) - annealed
Terminal FormGULL WING
Terminal Pitch1.27mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
PackageSmall Outline Packages

Compliance & Regulatory

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

Datasheet

L4973D5.1 Datasheet Download

Official datasheet from STMicroelectronics

Alternate & Equivalent Parts

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the price of L4973D5.1?

L4973D5.1 is priced from $3.7900 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is L4973D5.1 in stock?

L4973D5.1 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 L4973D5.1?

You can buy L4973D5.1 from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for L4973D5.1 from STMicroelectronics.

What is the datasheet for L4973D5.1?

The official L4973D5.1 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 L4973D5.1 come in?

L4973D5.1 is available in Small Outline Packages packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
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Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
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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)
From $3.7900
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$7.8500$7.85
5+$7.4600$37.30
10+$7.0600$70.60
100+$4.3000$430.00
250+$4.0800$1020.00
500+$3.7900$1895.00
pcs
Unit price: $7.8500 · Total: $7.85

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

The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.

RP
Rajesh Patel
Procurement Manager, VoltEdge Energy, India