[Boatanchors] 5U4 vs 5Y3

Glen Zook gzook at yahoo.com
Sat May 24 14:14:42 EDT 2014

Yes, and no!

You have to watch the filament current.  The 5Y3 draws 2-amperes and the 5U4 draws 3-amperes.  If you have one, a 5R4 would work fine without worrying about the filament current.  The 5R4 also draws 2-amperes.
Glen, K9STH

Website:  http://k9sth.com

On Saturday, May 24, 2014 12:46 PM, Bob Jackson <bob145 at suddenlink.net> wrote:

Can a 5Y3 be subbed for a 5U4 for testing purposes?

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