Topband: Ferrite Cores

Carl km1h at jeremy.mv.com
Tue Aug 5 16:51:13 EDT 2014


And the ARRL perpetuates this scam with using Amidon part # in all their 
publications.

I still have hundreds of Fair-Rite ferrites and Micrometals powered iron 
left over from my Radiokit days and have been selling them off slowly as the 
spirit moves me.

No 31 toroids or 73 balun cores.

Carl
KM1H



----- Original Message ----- 
From: "Jim Brown" <jim at audiosystemsgroup.com>
To: <topband at contesting.com>
Sent: Tuesday, August 05, 2014 12:25 PM
Subject: Re: Topband: Ferrite Cores


> On 8/5/2014 7:46 AM, Greg wrote:
>> The Mouser part picture does not look like a FT-240-31.
>
> The FT-series of part numbers are PHONY part numbers,  dreamed up many 
> years ago by vendors who have sold them to hams for very high prices.  The 
> ACTUAL part number for a #31 2.4-in o.d. toroid, as defined by Fair-Rite, 
> the company that MAKES these parts, is 2631803802.  You will find that 
> part number in Appendix One of my tutorial.  Kits and Parts is one of 
> those high price vendors. Amidon may have been the originator of this 
> scam. Palomar and DXE are in that league as well. They created these phony 
> baloney numbers so that you wouldn't find the part from a real industrial 
> vendor at one third the price.
>
> 73, Jim K9YC
>
>>   The referenced part
>> number looks like it fits over a cable.
>>
>> -----Original Message-----
>> From: Topband [mailto:topband-bounces at contesting.com] On Behalf Of Carl
>> Sent: Tuesday, August 05, 2014 7:57 AM
>> To:wb6rse1 at mac.com; Hugh Valentine
>> Cc: Top Band List List
>> Subject: Re: Topband: Ferrite Cores
>>
>> Hmm, $3 each more than Mouser who also is a very fast shipper, usually 
>> same
>> day.
>>
>> Mouser Part 623-2631803802
>
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