| 摘要 |
<p>In an inductance device in which a coil is wound around a bobbin having at least two chambers divided by a collar and a ferrite core is mounted, the bobbin includes a chamber having a center hole for inserting a center leg of the core and two outer holes for each inserting an outer leg of the ferrite core in a bottom portion of the bobbin, a shield coil having a portion which is wound in a direction perpendicular to the primary coil via the collar portions of the bobbin, both ends of the shield coil being connected to a terminal, the shield coil is formed by a triple-layered insulated wire. <IMAGE></p> |
