Re: Toroid Choke Cores!!

To: tesla-at-grendel.objinc-dot-com
Subject: Re: Toroid Choke Cores!!
From: jim.fosse-at-bdt-dot-com (Jim Fosse)
Date: Sat, 09 Mar 1996 06:37:14 GMT
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tesla-at-grendel.objinc-dot-com On Fri, 8 Mar 1996 16:30:21 +0700, you wrote:

>>From DELCOKEVIN-at-aol-dot-com Fri Mar  8 15:44 MST 1996
>From: DELCOKEVIN-at-aol-dot-com
>>Received: from mail04.mail.aol-dot-com (mail04.mail.aol-dot-com [152.163.172.53]) by uucp-1.csn-dot-net (8.6.12/8.6.12) with ESMTP id NAA22364 for <tesla-at-grendel.objinc-dot-com>; Fri, 8 Mar 1996 13:24:57 -0700
>Date: Fri, 8 Mar 1996 15:24:15 -0500
>To: tesla-at-grendel.objinc-dot-com
>Subject: Re: Toroid Choke Cores!!
>
>In a message dated 96-02-12 15:55:33 EST, you write:
>
>>Mfg.# - FE-2500-1201
>>OD - 2.5", ID - 1.22", Width - 1"
>>Color - blue, 0.828 lb
>>Made from "Arnod HA" powdered ferrite
>>Initial Permeability: 60
>>Inductance per 100 turns: 2,032 uH
>>Mean path length: 14.96 cm
>>Cross section: 4.031 sq cm
>>Suitable for low freq choke or noise filter
>>
>>PRICE:  $1.49 ea
>
>I know this has been covered, but I have missplaced (erased?) my read mail.
>
>What was the concensus on how many turns of what size wire was used with
>success??
>
>    Kevin M. Conkey
>
>
Kevin,
	I got 100 turns of #22 A.W.G magnet wire on it (3/4 full) and
measured 1.9mH. (given the vagarities of reading my scope to determine
the resonant freq. this agrees well with the published value)