To obtain a molded coil having improved heat radiation properties by facilitating winding work, miniaturizing a mold section, and reducing the amount of molded resin used.
A plurality of molded unit coils 10 have a winding start terminal 4, having a unit coil, where an external form is formed into a short cylindrical shape by winding a coil conductor to mold a coil, formed in a short cylindrical form by the molded resin 3, a leading section that is connected to a winding start end of the coil conductor at the inner-periphery side of the coil and is led to the outside of the molded region 3 in the Z direction of a coil axis, and a connection section, extending in the radial direction of a coil from the leading section and is extended to the outside of the unit coil; and a winding end terminal 5, that is connected to a winding completion end of the coil conductor at the outer-periphery side of the coil and is extended to the outside of the mold resin 3 in the radial direction. The plurality of molded unit coils 10 are laminated in the Z direction of the coil axis via a spacer, by reversing the tops and bottoms alternately and the adjacent winding start terminals 4 and the winding end terminals 5 are connected.
MINAMII YOSHIFUMI
FUJII JIRO
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