Electromagnetic interference filter
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United States of America Patent
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Jul 19, 2005
Grant Date -
Feb 12, 2004
app pub date -
Aug 7, 2003
filing date -
Aug 7, 2002
priority date (Note) -
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Abstract
An improved, in-line, bulkhead mounted, electromagnetic interference filter specifically for low frequency, high current applications such as filtering EMI from 400 Hertz aircraft power, consisting in particular of capacitive elements employing a discoidal, non-ferroelectric ceramic dielectric such as NPO/COG, configured in any of the traditional L and C filter arrangements and packaged in a center feed through, ground plane metal jacket suitable for bulkhead or through-hole mounting, offering improved performance over the full specified temperature range, greater reliability and longer useful life than, for example, similar filters employing X7R dielectric.
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