Re: HV Diode

Well, yes they are lower frequency, and I know they can not be used on HV
circuits such as the screen supply (charges a capacitor) or other uses but
here we are dealing with a HF charge pump, as apposed to a high frequency
rectifier and I wonder if the slow turnoff is an issue...no current to
speak of... Tell you what...I'll try it out on one of my old B&W XY monitor
and let you folks know the results. Might take a while to get around to it...

John :-#)#

At 01:37 PM 24/08/2001, you wrote:

>"Fire up the sucker" being the operative words here. NEVER use a 1N4000
>series
>diode anywhere around a flyback, they turn off too slow. Only use 1N4000 for
>under 1000 Hz power.
>
>
>
>John Robertson wrote:
>
> > Anyone want to try an experiment? Get twelve or so 1N4007 diodes, solder
> > them in series, seal up inside a heatshrink tube packed with silicon glue
> > and then shrunk, and fire up the sucker...should work, maybe. I know that
> > they aren't high frequency, but the idea has a certain appeal, doesn't it?
> >
> > John :-#)#
> >
> > At 09:49 AM 24/08/2001, you wrote:
> >
> > >Hi,
> > >I just received an order of two, from Moyer , of replacement diode, they
> > >had said they only had two more at their other store.
> > >
> > >I would like to purchases a couple of the H1812, for my Asteroids Deluxe,
> > >that has good holders that aren't burned.
> > >
> > >Thanks Brent
> > >
> > >----- Original Message -----
> > >From: "Omar Vega" <omar@techsource.com>
> > >To: <vectorlist@synthcom.com>
> > >Sent: Friday, August 24, 2001 10:49 AM
> > >Subject: Re: VECTOR: HV Diode
> > >
> > >
> > > > The original H1812.
> > > > Also as a note Lewis Mills sent me the following email:
> > > >
> > > > -------- begin------------
> > > > Hi,
> > > > [I'm at a work account right now and can't post to the vectorlist. Feel
> > >free
> > > > to forward this message to the list.]
> > > >
> > > > Moyer Electronics (http://www.moyerelectronics.com/) has the SK7333 for
> > > > US$10.15. I've been using the SK7330 ($5.70 from Moyer) that is a
> drop-in
> > > > sub for the original Varo diode. I don't know much about HV diodes,
> but I
> > > > think the SK7330 is robust enough. Freetradezone
> > > > http://www.freetradezone.com/ has the data sheets for the Varo and both
> > > > Thompsons.
> > > > Lewis
> > > > ----------end-----------
> > > >
> > > > Moyer shipping charges start at around $5 though. Wish I had seen they
> > >had
> > > > some before I ordered so many of the 1812's. I can save someone else a
> > > > couple of $$.
> > > >
> > > >
> > > >
> > > >
> > > > ----- Original Message -----
> > > > From: "Christopher X. Candreva" <chris@westnet.com>
> > > > To: <vectorlist@synthcom.com>
> > > > Sent: Friday, August 24, 2001 9:33 AM
> > > > Subject: Re: VECTOR: HV Diode
> > > >
> > > >
> > > > > On Thu, 23 Aug 2001, Omar Vega wrote:
> > > > >
> > > > > > I picked some up for under $9 each so if anyone needs one without a
> > > > minimum
> > > > > > order I think I will be swinging them for $10 shipped.
> > > > >
> > > > > Which did you get -- the NTE, SK, or the original H1812 ?
> > > > >
> > > > >
> > > > > ==========================================================
> > > > > Chris Candreva -- chris@westnet.com -- (914) 967-7816
> > > > > WestNet Internet Services of Westchester
> > > > > http://www.westnet.com/
> > > > >
> > > >
> > > >
> --------------------------------------------------------------------------
> > > > -
> > > > > ** To UNSUBSCRIBE from vectorlist, send a message with
> "UNSUBSCRIBE" in
> > > > the
> > > > > ** message body to vectorlist-request@synthcom.com. Please direct
> other
> > > > > ** questions, comments, or problems to neil@synthcom.com.
> > > > >
> > > >
> > > >
> --------------------------------------------------------------------------
> > >-
> > > > ** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in
> > >the
> > > > ** message body to vectorlist-request@synthcom.com. Please direct other
> > > > ** questions, comments, or problems to neil@synthcom.com.
> > >
> > >-----------------------------------------------------------------------
> ----
> > >** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE"
> in the
> > >** message body to vectorlist-request@synthcom.com. Please direct other
> > >** questions, comments, or problems to neil@synthcom.com.
>
>---------------------------------------------------------------------------
>** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
>** message body to vectorlist-request@synthcom.com. Please direct other
>** questions, comments, or problems to neil@synthcom.com.

---------------------------------------------------------------------------
** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
** message body to vectorlist-request@synthcom.com. Please direct other
** questions, comments, or problems to neil@synthcom.com.
Received on Sat Aug 25 10:13:31 2001