What is a FINO? Need about Vff.

[Eric Smith]

JM Pichot wrote about the Signetics 9046:

> Subject: What is a FINO?

FINO is First-In-Never-Out.

> Can you explain me, what is Vff?

Filament voltage.

> Is it a good idea to decrease this voltage in order to increase
> reliability?

Not really.  If you decrease it sufficiently to extend the life of
the filament, the circuit won't function correctly.

> But what will happen with our 50 Hz european supply?

You need to get the 50 Hz rated version of the part.  Contact your
Signetics sales representative.

Eric