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0.1 Ω pulse resistors arrived. Time to do more test on the original quick-and-dirty HV pulser before building a proper one: 31.2 A short circuit, 200 V open-circuit, so the effective ESR is 6.4 Ω, a bit on the high side. The di/dt is high, 10-90 rise time is just 400.0 ns, it's 65 A/µs - I'm already violating the absolute maximum of the SCR. #electronics