Table of Contents

Circuit Protection

2SC3326 - transistor with high Vebo (25V) - used by fluke as an avalanche diode.

2SC3326 datasheet

PCB Spark Gaps

Gas Discharge Tubes

Minimum looks like about 55V, minium available upper limit for spark starting more like 85V.

Lightning

What is needed / useful to protect NMEA 2000 network from nearby lightning strikes, or even direct ones?

http://ww1.microchip.com/downloads/en/DeviceDoc/EMC%20Newsletter%20Issue%205.pdf https://www.eevblog.com/forum/beginners/what-is-a-spark-gap-and-why-we-need-it-on-a-pcb/