TRANSFORMER HAVING SECTIONED BOBBIN
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United States of America Patent
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-
N/A
Issued Date -
Aug 4, 2011
app pub date -
Jan 28, 2011
filing date -
Feb 4, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A transformer includes a bobbin, terminal electrodes, a core, a primary winding, a secondary winding, and an additional winding. The bobbin is made from an electrically insulating material and has a tubular portion defining an internal space. The tubular portion has an outer peripheral surface providing a first through third sections arrayed side by side in an axial direction of the tubular portion. The terminal electrodes are provided at the bobbin for electrical connection to the windings. The core is inserted into the internal space. The primary winding has an insulating layer and is wound over the first section. The secondary winding has an insulating layer and is wound over the third section. The additional winding is wound over the second section and has an insulation layer whose insulating performance is greater than that of the insulation layer of the primary winding and the secondary winding.
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