Symbol

LM393

Dual voltage comparator — the go-to comparator, open-collector output

⚡ Install this symbol

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

Search the Adom Wiki for the symbol "LM393" (slug: sym-lm393) at https://wiki-ufypy5dpx93o.adom.cloud/wiki/symbols/sym-lm393. 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 Comparator
Library Comparator
Symbol LM393
Pins 8
Package DIP-8 / SOIC-8
Schematic Symbol

AI Skill Technical Reference

Edit AI Skill

LM393

Symbol: LM393 Library: Comparator Category: Comparator Pins: 8 Package: DIP-8 / SOIC-8

Description

The LM393 is a dual voltage comparator with open-collector outputs. The most widely used comparator IC — found in zero-crossing detectors, over-voltage protection, PWM generators, and sensor interfaces. DIP-8 / SOIC-8.

KiCad Library Reference

This symbol is from the official KiCad Comparator library. Full identifier: Comparator:LM393

To use in your project:

  1. Open the Symbol Library Manager in KiCad
  2. Search for LM393
  3. Place the symbol in your schematic

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Sub-skills are community-contributed AI skill extensions for this component. They teach AI assistants about specific tools, configurators, or workflows.

Examples:

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  • A community-written design guide for an amplifier circuit
  • An automated test/validation script for a sensor module

How to add one: Click Add Sub-Skill, provide the URL to your skill and a brief description. Submissions are reviewed by the Adom team before going live.

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0 revisions · KiCad Library: Comparator:LM393 · Updated 2026-03-02 17:31:36