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L7818CV TO-220 packageRepresentative package image. See datasheet for exact dimensions.

L7818CV

by STMicroelectronics

18 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220

ManufacturerSTMicroelectronics
CategoryVoltage Regulators
SeriesL78
PackageTO-220
DatasheetL7818CV PDF
Availability
L7818CV Datasheet PDFAll specifications
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L7818CV Overview

The L7818CV is a 18 V, 1.5 A fixed positive linear regulator from the ST L78 series in a TO-220 package, with internal current limiting, thermal shutdown and safe-area protection.

Key Features

  • 18 V fixed output, up to 1.5 A
  • Thermal overload protection
  • Short-circuit protection
  • Output transition SOA protection

Applications

  • Local on-card regulation
  • Industrial control power supplies

L7818CV Specifications

Part NumberL7818CV
ManufacturerSTMicroelectronics
CategoryVoltage Regulators
SeriesL78
Package / CaseTO-220
Output voltage18 V
Output currentUp to 1.5 A
ProtectionThermal overload and short-circuit

Specifications are taken from the manufacturer's public datasheet and are for reference. Confirm against the latest datasheet before design-in.

L7818CV Pinout & Package

L7818CV is supplied in a TO-220 package. The full pin configuration, pin descriptions and mechanical drawing are published in the STMicroelectronics datasheet (open L7818CV datasheet PDF). Always check the footprint against the latest datasheet revision before layout.

L7818CV Alternatives & Equivalents

Part NumberManufacturerCompatibilityRFQ
L7805CVSTMicroelectronicssame L78 series, 5 V
L7812CVSTMicroelectronicssame L78 series, 12 V

Alternatives are for reference. Verify pinout, electrical characteristics and firmware against each datasheet before substituting.

L7818CV Guides & Comparisons

More engineering notes on the PartVane blog.

L7818CV FAQ

Who manufactures L7818CV?

L7818CV is manufactured by STMicroelectronics and belongs to the L78 series. It is listed under Voltage Regulators.

What is L7818CV?

L7818CV: 18 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220.

What package does L7818CV come in?

L7818CV comes in a TO-220 package.

Where can I download the L7818CV datasheet and pinout?

The STMicroelectronics datasheet for L7818CV is linked in the Datasheet section of this page (https://www.st.com/resource/en/datasheet/l78.pdf). The pin configuration and package drawing are in that datasheet.

What is the equivalent or alternative to L7818CV?

Documented alternatives to L7818CV: L7805CV (STMicroelectronics, same L78 series, 5 V); L7812CV (STMicroelectronics, same L78 series, 12 V). Always verify pinout and electrical characteristics against each datasheet before substituting.

Do you have L7818CV in stock?

Yes. PartVane holds stock of L7818CV. Send the quantity you need and we will confirm the available quantity, date code and delivery in the quotation.

How do I get a price and availability for L7818CV?

Message the owner on WhatsApp (+86 139 3944 9974), use the quote form on this page or email sales@partvane.com with the quantity and target delivery date. On WhatsApp we quote within 2 hours during business hours (Mon–Sat, 09:00–18:00 China time (UTC+8)); every RFQ is answered within 24 hours. The quotation includes unit price, availability, lead time and photos of the actual parts with the date code / lot label.

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