Snubber for HO that aren't NCE

General
1

Amazon has these snubbers listed, but none from NCE. Love the price.
Has anyone used them?

Or do I just make a couple with caps and resistors?

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2

I have a 5amp NCE Power-Pro and my runs are about 30’. I loosely wound the 12G main Buss wires and ran the last set of feeders off the end of the buss. Didn’t need a snubber. Never had an issue.

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3

I also have a 5 amp NCE PH-Pro. Some years ago when snubbers were all the rage on the old Kalmbach forum, I built a bunch of them and added them to my bus. Never knew if I needed them or not. Never knew if they ever did any good. So, when I built my new layout, I dropped them.

Rich

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4

I probably don’t need it then

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5

Never mind this post. I thought it was connected with the LED lights that were producing WiFi interference.

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6

I also have a NCE PH-Pro 5A system and have 30’ runs of 12AWG loosely twisted with lots of sub-feeds. Oscilloscope views show very clean waveforms without snubbers.

Note that if you use snubbers, only put them on the main busses if you want to use RR-CirKits BOD detectors on sub-feeds. Snubbers on the feeds that are detected stop the detectors from working.

BUT the Tam Valley booster, which I use for all my DCC powered turnouts so I can still operate them if the main is shorted, is a very different story. The waveforms coming out of that booster have large over and under shoots. I’ve added snubbers to those runs and it helps, but does not cure the issue. If the NCE boosters were cheaper I’d replace the Tam Valley boosters with NCE boosters.

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