Choke coil
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United States of America Patent
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-
N/A
Issued Date -
Jan 31, 2002
app pub date -
Jul 30, 2001
filing date -
Jul 28, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A high-frequency choke coil achieves the same low loss across a wide band as a choke coil comprising an external resistor, without using an external resistor. The choke coil comprises a wire-like conductor, wound around a rod-like core; a plurality of individual rod-like cores are joined parallel to their axes with insulators therebetween, forming a rod-like core having a predetermined length; one of the individual rod-like cores has at least (i) a specific dielectric constant at 1 MHz which is more than five times that of the other individual rod-like cores, and/or (ii) a volume resistivity which is less than one-hundredth of that of the other individual rod-like cores.
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