| 摘要 |
PROBLEM TO BE SOLVED: To provide coil parts which are superior in insulation and breakdown strength and are easy to assemble. SOLUTION: A coil part 20 is provided with a pair of ferrite cores 1 and 6, which are I-shaped and E-shaped respectively, and a copper plate coil which is laminated by means of insulative members 2 and 4 having center holes 9, and the laminate is connected between the ferrite cores 1 and 6, using a middle leg 6a as a support shaft. In this case, the middle leg 6a of the ferrite core 6 is covered with an insulative cylindrical body 7. Accordingly, insulation between the copper plate coil 3 and the middle leg 6a of the ferrite core 6 can be kept, and the coil can be positioned easily.
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