Hi Jim. Replied.
A single 19.25v Zener might be better than three in series although if in series they will all pass the same amount of current. The earth connection is probably OK as it is.
Hi Jim. Replied.
A single 19.25v Zener might be better than three in series although if in series they will all pass the same amount of current. The earth connection is probably OK as it is.
Listening in a Foo free Zone...
Only a Sith deals in absolutes.