Capacitor Swap Guide (PDF)

Get the 7 capacitor swaps that keep a product from failing once it ships.

  • The seven capacitors you should never use, and what to use instead
  • The one capacitor that can catch fire with no mains anywhere near it
  • The two spots where a regular capacitor fails safety certification

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John Teel

I’m John Teel, a former microchip design engineer for Texas Instruments who developed and launched my own product into hundreds of retail stores. I put this guide together so you can check every capacitor on your schematic before you order boards.