Symbol

LM317

Adjustable linear voltage regulator — 1.2V to 37V, 1.5A, TO-220

⚡ Install this symbol

Paste this into Claude Code (VS Code panel, Adom editor, or terminal) to install:

Search the Adom Wiki for the symbol "LM317" (slug: sym-lm317) at https://wiki-ufypy5dpx93o.adom.cloud/wiki/symbols/sym-lm317. Download the .kicad_sym file from the wiki page's static assets. Add it to my current KiCad project's symbols/ directory and register in sym-lib-table.
Category Voltage Regulator
Library Regulator_Linear
Symbol LM317_TO-220
Pins 3
Package TO-220
Schematic Symbol

AI Skill Technical Reference

Edit AI Skill

LM317

Symbol: LM317_TO-220 Library: Regulator_Linear Category: Voltage Regulator Pins: 3 Package: TO-220

Description

The LM317 is an adjustable 3-terminal positive voltage regulator supplying 1.5A over 1.2V to 37V output. Two external resistors set the voltage. Built-in thermal overload and current limiting. The standard adjustable regulator since 1976. TO-220 package.

KiCad Library Reference

This symbol is from the official KiCad Regulator_Linear library. Full identifier: Regulator_Linear:LM317_TO-220

To use in your project:

  1. Open the Symbol Library Manager in KiCad
  2. Search for LM317_TO-220
  3. Place the symbol in your schematic

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0 revisions · KiCad Library: Regulator_Linear:LM317_TO-220 · Updated 2026-03-02 17:31:36