[Prev][Next][Index][Thread]
valve diode tubes ? (fwd)
----------
From: - [SMTP:randy-at-gte-dot-net]
Sent: Saturday, August 08, 1998 3:43 AM
To: Tesla List
Subject: Re: valve diode tubes ? (fwd)
Tesla List wrote:
>
> ---------- Forwarded message ----------
> Date: Fri, 07 Aug 1998 17:28:49 -0700
> From: Jim Lux <James.P.Lux-at-jpl.nasa.gov>
> To: Tesla List <tesla-at-pupman-dot-com>
> Subject: Re: valve diode tubes ? (fwd)
>
> Tesla List wrote:
> >
> > ---------- Forwarded message ----------
> > Date: Fri, 7 Aug 1998 02:10:31 +0300 (EET DST)
> > From: Kristian Ukkonen <kukkonen-at-cc.hut.fi>
> > To: Tesla List <tesla-at-pupman-dot-com>
> > Subject: Re: valve diode tubes ? (fwd)
> >
> > On Wed, 5 Aug 1998, Tesla List wrote:
> > > Date: Wed, 5 Aug 1998 17:10:03 +0100
> > > From: "chris.swinson" <chris.swinson-at-zetnet.co.uk>
> > > To: tesla list <tesla-at-pupman-dot-com>
> > > Subject: valve diode tubes ?
> > >
> > > I'm after a diode or valve that will handle 240 watts min, thats at 8Kv -at-30
> > > ma. This must be the minimum spec.
> > >
> > > Does anyone know of a supplier for them or how much they cost or anything
> > > really ?
> >
> > http://www.schuricht.de/
> > schuhome?pWkorbId=115722938474215&pMainWin=cat&pOpt=2
> >
> > Has some HV rectifiers. 866 (10kV 250mA) is 49DEM = 30USD, new.
> >
> > That is the only European supplier of HV rectifier tubes with web catalog
> > I know of. I have HV diodes from old X-ray equipment that I can swap for
> > other things if interested.
> >
> > http://www.falls.igs-dot-net/~testequipment/tubes.html
> > has a large list and is in Canada.. They list:
> > 866 ONS: $16.50 PULLS: $5.50
> >
> > Anyone with specs for 8020 (40kV 100mA vacuum rectifier)????
>
> >From Richardson Electronics web page (http://www.rell-dot-com/)
>
> Specifications
>
> Anode Cap C1-5
> Average Anode Current (A) 0.1
> Base A4-10
> Dimensions Diameter (in) Maximum 2.312
> Dimensions Inches Rigid Length Maximum 8
> Filament Current (A) 6.5
> Filament Voltage (V) 5
> Gas Filling Vacuum
> Maximum Rating, Average Anode (A) 0.1
> Maximum Rating, Peak Anode (A) 1.5
> Maximum Rating, Peak Inverse (V) 40,000
> Peak Anode Current (A) 1.5
> Peak Inverse (V) 40,000
>
> I seem to recall that the forward voltage drop is something like 150
> Volts The tube is available from Richardson Electronics around here
> (Los Angeles area), they can fax you a data sheet for the 8020 or 8020A.
> (8020AX is $125 new, last time I checked)
>
> Newark Electronics has the 8020W (from Richardson) at $450+
If solid-state is acceptable, you might try a web-search for
K2AW + Silicon Alley. He has hi-voltage, high current rectifiers
available. A quick search didn't turn up an URL, but I didn't have
time to check all the links. I think he's in NY, USA.
Randy