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EMI/RFI filters
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From: Shaun [SMTP:shaunobrien-at-geocities-dot-com]
Sent: Wednesday, April 15, 1998 4:59 PM
To: Tesla List
Subject: Re: EMI/RFI filters
W.E.C.I. sells 20A Cornell-Dubliner filters for $1.95 each
And 40A Corcom filters for $8.95 each.
Shaun O'Brien
Member of The Oklahoma Tesla Coil Builders
http://www.geocities-dot-com/SouthBeach/Pier/2756/index.htm
>From: bkm-at-jps-dot-net [SMTP:bkm-at-jps-dot-net]
>Sent: Tuesday, April 14, 1998 2:14 AM
>To: Tesla List
>Subject: Re: EMI/RFI filters
>
>Mouser Electronics has 20A-at-250V Corcom filters for $11.42- less than half of
>Digi-Key's price. Their part # is 562-851-20/11. Be forewarned- they like
>doing multiple shipments, but they come through with the goods...
>
>http://www.mouser-dot-com 1-800-346-6873
>
>B.K.M.
>
>At 10:43 PM 4/13/1998 -0500, you wrote:
>>
>>----------
>>From: D.C. Cox [SMTP:DR.RESONANCE-at-next-wave-dot-net]
>>Sent: Monday, April 13, 1998 10:19 PM
>>To: Tesla List
>>Subject: Re: EMI/RFI filters
>>
>>to: Rodney
>>
>>We parallel two 30's or three 30's to increase the value. According to
>>Corcom, the manufacturer, this is a valid approach for use filters for
>>higher currents. We typically run them at 60 and 80 amperes in some of our
>>larger systems.
>>
>>DR.RESONANCE-at-next-wave-dot-net
>>
>>> From: Rodney [SMTP:seshat-at-palmnet-dot-net]
>>> Sent: Sunday, April 12, 1998 2:51 PM
>>> To: Tesla List
>>> Subject: EMI/RFI filters
>>>
>>> Hello fellow listers,
>>>
>>> Through my scrounging endeavers I have come across a 25KVA 208 3phase UPS
>>> for free! It was hit by lightning and was scrapped. My questions are;
>>>
>>> 1) Does anyone have the mathematical formulas for construction of
>>EMI/RFI
>>> filters? This unit has many parts that can be salvaged such high current
>>> inductors and many AC capacitors.
>>>
>>>
>>> 2)Or does anyone on the list have any 50amp or greater EMI/RFI filters
>>for
>>> sale
>>>
>>> Rodney Stapivic