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Circuit Protection

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

2SC3326 datasheet

PCB Spark Gaps

  • Remove solder mask.
  • Blunt maybe better than pointy, because the point breaks down / melts and tracks carbonise. Blunt spreads it out.
  • Can calculate a rough guestimate for voltage / gap width.
  • It will be over 1000V normally / probably.

Gas Discharge Tubes

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


circuit_protection.txt · Last modified: 2024/04/26 03:51 by river

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