Not at all. Here in USA I checked my 3 regular sources: Mouser, DigiKey, and
Jameco with nil results, subs or not.

Keyword here is "regular".

You mean that in the entire USA there is no such thing as 47V 2-3W zener
diode ?

Graham

Nyet.

But point is moot, it seems. See recent posts to thread re. design change.
--
John English