I interpreted that 750V figure in the datasheet as the maximum voltage for
the main discharge, not the trigger pulse. I think the trigger pulse is in
the range of about 10 to 20kV, maybe even more.

On Wed, Jan 24, 2018 at 4:44 PM, <alan.b.pearce@stfc.ac.uk> wrote:

> This sounds like it is a transformer with voltage multiplier on the
> secondary, rather like a TV EHT output stage, but looking at the data she=
et
> you referenced in your first post it lists 750V maximum, so I suspect it
> may be only a single or two stage rectifier. They tend to pot these beast=
s
> to keep moisture out of the high voltage area as much as possible and
> eliminate corona.
>
>
>
>
--=20
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