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[Amps] Tranformer Suppliers

To: <amps@contesting.com>
Subject: [Amps] Tranformer Suppliers
From: "Steve Cook" <sccook1@cox.net>
Date: Fri, 7 Dec 2007 16:03:15 -0700
List-post: <mailto:amps@contesting.com>
Where can an individual purchase core material, paper, wire, etc?  We may need 
to get serious about winding our own...
Wonder if there is a distributor who will sell Hypersil C cores to hams.
I would love to give it a try -- but can seem to locate anything on the 
Internet.

-Steve
WG7K
  ----- Original Message ----- 
  From: jeremy-ca 
  To: Jeffrey Okamitsu ; KEVIN ADAM ; Jim Nowotarski ; amps@contesting.com 
  Sent: Friday, December 07, 2007 3:25 PM
  Subject: Re: [Amps] Are there more Tranformer suppliers out there


  Anybody want to bet that Martin F Jue will buy it for pennies on the dollar?

  Carl
  KM1H


  ----- Original Message ----- 
  From: "Jeffrey Okamitsu" <jokamitsu@yahoo.com>
  To: "KEVIN ADAM" <n9iww@msn.com>; "Jim Nowotarski" <N3GOO@arrl.net>; 
  <amps@contesting.com>
  Sent: Friday, December 07, 2007 4:03 PM
  Subject: Re: [Amps] Are there more Tranformer suppliers out there


  > There are very few good ones.
  >
  > As the world has moved to switching power supplies,
  > even for high voltage, the need for precision wound HV
  > transformers has diminshed greatly.
  >
  > My company uses iron core transformers and oil-filled
  > HV caps for ferro-resonant power supplies for our
  > products (microwave powered lamps).
  >
  > Over the last 10 years many suppliers of these
  > components have abandoned these product lines for two
  > reasons:
  >
  > 1) The manufacture of these components is decidely
  > un-friendly to the environment;
  > 2) Decrease in demand.
  >
  > Solid-state switching power supply technology for HV
  > applications, although very expensive on a dollar per
  > watt basis, has many advantages versus iron-core
  > transformer technology:
  >
  > 1) Size/weight.
  > 2) Efficiency.
  > 3) Better EMC/EMI compliance.
  > 4) Easier supply chain management.
  >
  > I predict that within 5 years the suppliers who
  > provide my company with iron-core HV transformers and
  > oil-filled caps will exit their respective markets,
  > which is why we're moving to 100% solid-state
  > technology on our power supplies.
  >
  > 73, Jeff W3KL
  >
  > --- KEVIN ADAM <n9iww@msn.com> wrote:
  >
  >>
  >>   Are there more transformer Makers out there if so
  >> who would be as good as peter dahl.
  >>   I fell in love with 40 meter mono bander and tower
  >> he put up at the shop when I was stationed in Elpaso
  >> TX
  >>   1987-1989 even was the when lost the first tower
  >> that was sad to loose tower and beam.
  >>
  >>   N9IWW
  >>   Kevin Adam
  >>   1239 West Till Rd
  >>   Fort Wayne, IN 46825
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  >
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