L4981B STMicroelectronics Integrated Circuit (Dual-In-Line Packages) In Stock

Current mode PF corrector,L4981B 5.1V

OBSOLETEIntegrated CircuitVerified May 2026
Package / Visual Reference
L4981BDual-In-Line Packages
Quick Facts
Manufacturer
STMicroelectronics
Package
Dual-In-Line Packages
Pin Count
20
Lifecycle
OBSOLETE
Category
Integrated Circuit
Price
From $1.7550(MOQ 1)
Temp Range
-40.0°C to 125.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

YTEOL0
Analog IC - Other TypePOWER FACTOR CONTROLLER
Control ModeCURRENT-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max19.5V
Input Voltage-Min11V
Input Voltage-Nom18V
JESD-30 CodeR-PDIP-T20
JESD-609 Codee3
Number of Functions1
Output Current-Max2A
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeDIP20,.3
Package ShapeRECTANGULAR
Package StyleIN-LINE
Qualification StatusNot Qualified
Surface MountNO
Switcher ConfigurationSINGLE
Switching Frequency-Max115kHz
TechnologyBCDMOS
Temperature GradeAUTOMOTIVE
Terminal FinishMATTE TIN
Terminal FormTHROUGH-HOLE
Terminal Pitch2.54mm
Terminal PositionDUAL
PackageDual-In-Line Packages

Compliance & Regulatory

RoHS StatusCompliant
ECCNEAR99
HTS Code8542.39.00.60

Datasheet

L4981B 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 L4981B?

L4981B is priced from $1.7550 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is L4981B in stock?

L4981B 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 L4981B?

You can buy L4981B from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for L4981B from STMicroelectronics.

What is the datasheet for L4981B?

The official L4981B 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 L4981B come in?

L4981B is available in Dual-In-Line 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
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 $1.7550
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$2.1938$2.19
3+$2.0183$6.05
13+$1.7550$22.81
pcs
Unit price: $2.1938 · Total: $2.19

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