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Surface-mount inductor

  • US 9,734,941 B2
  • Filed: 10/29/2015
  • Issued: 08/15/2017
  • Est. Priority Date: 10/31/2014
  • Status: Active Grant
First Claim
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1. A surface-mount inductor being provided with a molded body which includes a coil formed by winding a rectangular wire which is sealed using sealant containing resin and filler, at least a surface of the molded body being a mounting face, whereinthe coil comprises:

  • two first rolls wound in a two-roll arrangement along the winding axis, the ends of the wire being brought out to their outermost turn; and

    two second rolls wound in positions adjacent to and each on opposite sides of the first rolls along the winding axis, the diameter of the innermost turn being equal to or larger than the diameter of the outermost turn of the first rolls, the outermost turns of the first rolls being at least partially not in contact with the innermost turns of the second rolls,the ends of the wire are brought out from the outermost turn of the second rolls as lead ends which are coated in a manner that the winding axis is parallel with the mounting face and that the lead ends are at least partially exposed on the side of the mounting face.

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