| 摘要 |
PROBLEM TO BE SOLVED: To provide a bobbin for an inverter transformer, in which dielectric strength of the inverter transformer can be increased and height reduction is enabled. SOLUTION: In a bobbin 10 having a cylindrical winding shaft 12, which is collectively molded on the upper surface of a base part 11, a cylindrical winding shaft 14 which is coaxial with the winding shaft 12 is arranged at a position outside the winding shaft 12. A flange 14a extended towards the outside is formed on the upper end of the winding shaft 14.
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