Message-ID: <29BDD4F529FCD311B631009027357C4E0209C41B@btss103a.swh.sk>
From: "Gasparik Richard" <Richard.Gasparik@sbs.sk>
To: rsgb_lf_group@blacksheep.org
Subject: LF: RE: 3C85 Material: Obsolete?
Date: Wed, 31 Jan 2001 10:26:40 +0100
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-2; format=flowed
Content-Transfer-Encoding: 8bit
Precedence: bulk
Reply-To: rsgb_lf_group@blacksheep.org
Sender: <majordom@post.thorcom.com>

Hi LF-ers...

	I have a problem with 3C85 toroids...it's unpossible to buy it in
Slovakia. But a lot of Amidon and Pramet (Czech company) toroids are
available. I think an equivalent of 3C85 is Amidon FT-xx-77 (xx is a
diameter, for examp. FT-140-77 is diameter 36,5mm). Here are a lot of Pramet
H20 toroids available for a very good price. I have also parameters of this
material, so if you have interest, I can send it to you to compare it with
3C85.

73 de Rich OM2TW 

> -----Original Message-----
> From:	Steve Rawlings [SMTP:steve@alg.demon.co.uk]
> Sent:	30. január 2001 23:59
> To:	LF Group
> Subject:	LF: 3C85 Material: Obsolete?
> 
> Dear All,
> 
> I have received an Email from Wilfried DL5SWB reporting that the
> link no longer works from my web site to the Philips 3C85 data
> sheet previously at:
> http://www.acm.components.philips.com/pdf/3c85.pdf
> 
> Following their use by David Bowman in the G0MRF 136 kHz Power
> Amplifier, toroidal cores of Philips 3C85 material have become
> the preferred core material for many LF experimenters.
> 
> Wilfried writes:
> > I found on Your Website a link to download the 3c85.pdf. But it
> > isn't still available. I guess this type of material will not
> > produced any longer by Philips or now by Ferroxcube. I got the
> > new catalogue from http://www.ferroxcube.com without any 3C85
> > mentioned. There are more new ones. Perhaps You know, what new
> > material is good for 136 kHz.
>  
> > It would be nice, if You could send me the 3c85.pdf by eMail.
> 
> I wonder if anyone has stored a copy of 3c85.pdf that they can
> send me?  If so, I will forward it to Wilfried.
> 
> Also, does anyone know a suitable alternative to those magical
> 3C85 cores having a diameter of 25; 42; and 58 mm?
> 
> Regards to all,
> Steve GW4ALG