Re: valve diode tubes ? (fwd)

To: tesla-at-pupman-dot-com
Subject: Re: valve diode tubes ? (fwd)
From: Tesla List <mod1-at-pupman-dot-com>
Date: Fri, 7 Aug 1998 21:00:17 -0600 (MDT)
Approved: mod1-at-pupman-dot-com



---------- Forwarded message ----------
Date: Fri, 07 Aug 1998 17:12:07 -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: Thu, 06 Aug 1998 19:17:24 -0700
> From: Ed Phillips <evp-at-pacbell-dot-net>
> Reply-To: ed-at-alumni.caltech.edu
> To: Tesla List <tesla-at-pupman-dot-com>
> Subject: Re: valve diode tubes ? (fwd)
> 
> "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."
> 
>         Do you mean a tube that will rectify 8 kv and pass a current of 30
> ma???  There are (or at least should be) lots available for peanuts.
> The big cost will be the insulated filament transformer.
> 
> Ed
Use a microwave oven rectifier. Typically 10 kV PIV and 100-200 mA.
Around $10

Unless, of course, you want the glow of a filament (and the fact that
the vacuum tubes are significantly more robust for transients)...  Then,
one of the mercury vapor diodes might fit the bill.