Quote:
Originally Posted by Alex KL-1
HV "signal" transistors for focus and G2 control are around in the years of hi-end PC monitors, but in general, are for ~1200V, like the 2SC4632.
I noticed some MOSFET for 4500V some time ago, but I don't remember the code or maker. But it if for power switching and have considerable capacitance.
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And about using a small H sweep tube for direct coupling? (well, this will probably overtaxes the heater supply and also needs a extra +++B)