[Amps] HV switching power supplys?

[Jim Tonne]

> [ snip ]  by increasing the amount of parts in a power supply, 
> the odds go up dramatically that it will fail sooner [ snip ]
> there's probably 5 times the number of parts that are in a 
> simple transformer type full-wave bridge supply.

And the reliability of an old-fashioned iron-cored transformer
is very high indeed, especially when compared to any kind of
semiconductor.

- Jim Tonne