Kits and Parts stocks some 31 cores. http://www.kitsandparts.com/
Mouser carries the large 2.4" diameter 31 material core, a bit cheaper than Kits and Parts. 623-2631803802 If you search Mouser for part numbers beginning with 2631 and Manufacturer = Fair=Rite you will find several other sizes of 31 material cores available. Jack K8ZOA On 2/10/2012 1:23 PM, Ken Alexander wrote: > I have some interference problems with my receivers and have been > reading Jim K9YCs excellent article on the subject. It sounds like type > 31 ferrite toroids will be the answer to some of my problems and I'm > interestedin buying some. > > I had always considered Fair-Rite to be the main source of just about > everything made of ferrite, and Jim mentions them several times in his > article. However, Fair-Rite's online catalog does not list them in > their toroid section, nor are they shown in their downloadable PDF catalog. > > I'm pretty sure Amidon doesn't have them either. Where else can I > look? Any thoughts? > > Thanks in advance > > 73, > > Ken Alexander > VE3HLS > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
