Symbol

PC817

General-purpose optocoupler — phototransistor output, 5kV isolation

⚡ Install this symbol

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

Search the Adom Wiki for the symbol "PC817" (slug: sym-pc817) at https://wiki-ufypy5dpx93o.adom.cloud/wiki/symbols/sym-pc817. 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 Isolator
Library Isolator
Symbol PC817
Pins 4
Package DIP-4
Schematic Symbol

AI Skill Technical Reference

Edit AI Skill

PC817

Symbol: PC817 Library: Isolator Category: Isolator Pins: 4 Package: DIP-4

Description

The PC817 is the most widely used general-purpose optocoupler with phototransistor output and 5kV isolation. Essential for galvanic isolation between high-voltage and low-voltage circuits: SMPS feedback, PLC I/O, and relay drivers. DIP-4.

KiCad Library Reference

This symbol is from the official KiCad Isolator library. Full identifier: Isolator:PC817

To use in your project:

  1. Open the Symbol Library Manager in KiCad
  2. Search for PC817
  3. Place the symbol in your schematic

Sub-Skills
?
What are Sub-Skills?

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

Examples:

  • A manufacturer’s configuration tool for a motor controller
  • 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.

No sub-skills yet. Be the first to contribute one!

0 revisions · KiCad Library: Isolator:PC817 · Updated 2026-03-02 17:31:36