Symbol

BC547

NPN general-purpose transistor — 100mA, 45V, the European standard BJT

⚡ Install this symbol

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

Search the Adom Wiki for the symbol "BC547" (slug: sym-bc547) at https://wiki-ufypy5dpx93o.adom.cloud/wiki/symbols/sym-bc547. 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 Transistor
Library Transistor_BJT
Symbol BC547
Pins 3
Package TO-92
Schematic Symbol

AI Skill Technical Reference

Edit AI Skill

BC547

Symbol: BC547 Library: Transistor_BJT Category: Transistor Pins: 3 Package: TO-92

Description

The BC547 is a general-purpose NPN transistor rated for 100mA, 45V with hFE 110-800. The European counterpart to the 2N2222. Used for switching, signal amplification, and driver circuits. TO-92.

KiCad Library Reference

This symbol is from the official KiCad Transistor_BJT library. Full identifier: Transistor_BJT:BC547

To use in your project:

  1. Open the Symbol Library Manager in KiCad
  2. Search for BC547
  3. Place the symbol in your schematic

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0 revisions · KiCad Library: Transistor_BJT:BC547 · Updated 2026-03-02 17:31:36