| 摘要 |
A high frequency power inductance element capable of remarkably reducing a leakage by remarkably reducing an interwinding capacity, remarkably increasing heat radiation from coils, and remarkably improving productivity and a cost, comprising coils formed of a band-shaped conductor spirally wound in a cylindrical shape so that the wider surfaces thereof come flush with each other, an electrically insulated bobbin for installing the coils thereon, and cores inserted into the bobbin to form a closed magnetic circuit.
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