T130-2 and T200-2 are both available from www.sycomcomp.co.uk
73
Mike GW4HXO
As well as the famous Phillips 3C85
material, I find that Micrometals toroids type T130-2 (1.3 inch) and
T200-2 (2-inch) toroids work quite well at 137 kHz. I bought some from a stall
at Kempton Park rally, and I'll post the name of
the vendor here just as soon as I can remember who it was! You can also use
air-cored solenoid windings for these inductors, but if you use wire that is
too thin, they will also heat up as the circulating currents within the LPF can
be quite high.
Look out for them at rallies if you get
the chance. The T130-2 and T200-2 toroids are coloured red with one grey cheek.
-----Original Message-----
From: owner-[email protected]
[mailto:owner-[email protected]]On Behalf Of Lee Hudson
Sent: 19 November 2008 18:51
To: [email protected]
Subject: LF: 3C85/90 Toroids
Any suggestions for suppliers of Toroids made from 3C85/90
material rather than stripping down old SMPS?
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