supplies. This created a group of small decoders that were less
capable than their big brothers. Today’s N (and even Z) decod-
ers typically have operating current ratings of an amp or more.
Small decoders are usually a bit more expensive than their
larger brothers. They also tend to have fewer lighting func-
tions. But they are easily capable of running most HO and
smaller locos.
One significant exception is the SoundTraxx Micro Tsunami
(TSU-750). It packs a lot into a small package, so is limited to
¾ amp total current (motor and lights). It has an internal fuse
that requires factory replacement if it blows. Also, it is sensitive
“I select decoders based on what I need to
fit in the available space, not what “size”
the manufacturer hangs on the package.”
