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Re: 204 Tube Data



Tesla List wrote:
> 
> Original Poster: "Herwig Roscher" <herwig.roscher-at-gmx.de>
> 
> Ed Phillips wrote:
> 
> >The 204 is indeed of historical interest.  It had its origins in the
> > World War 1 "P" tube developed by GE circa 1918 and its improved
> > variant, the VT-10.
> 
> Ed,
> 
> Being the original questioner I'd like to point out, that I've asked for
> the YU 204 which is different from the a.m. 204 tube. The YU 204
> was used by Siemens for a part of a computer tomograph. They
> placed it on a PCB with relatively modern components.Furthermore
> it's definitely not a triode like the historical type but a tetrode.
> 
> Unfortunately I've checked a lot of URLs for technical data without
> any success. I'm still wondering if this YU 204 manufactured by
> Triton Electron Technology (yes, I've checked their power grid
> database as well) could be used for a VTTC.
> 
> Regards         Herwig

Herwig,

I'd email Triton, tell them that you've got some, and that you need the
technical specs. The worst they can do is say no!  

BTW, if they look like 4-1000's, including the graphite anode, I'd
assume that they had similar ratings as a 4-1000 as a starting point for
design. 

-- Bert --