Patent ID: 7812496

Claim:
A cassette coil comprising an insulator bobbin including a core tube around which a wire coated with an insulating film is wound, forming a coil, and a pair of plate-shaped first and second flanges provided at both ends of the core tube, the first flange including a cutout portion opening in a side, and the cassette coil being mountable in a stator of a rotating electrical machine, wherein a winding start part and a winding end part which are ends of the coil of the wire are placed to protrude outside through the same cutout portion of the first flange, and the cassette coil includes an insulation member provided to extend from a part of the first flange into the cutout portion between a winding start part and an outermost wire part located on the outermost side of the coil of the wire and close to the first flange.