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MAGNETIC ELEMENT HAVING IMPROVED TRANSFORMERS AND COMMOM MODE CHOKES

  • US 20110122589A1
  • Filed: 11/22/2010
  • Published: 05/26/2011
  • Est. Priority Date: 11/20/2009
  • Status: Active Grant
First Claim
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1. A magnetic element comprising:

  • an insulative housing defining a receiving cavity;

    a board unit received in the receiving cavity and comprising a paddle board having a row of first conductive vias and a row of second conductive vias, a plurality of embedded magnetic components and a plurality of SMDs (surface mount devices) mounted on the paddle board between the row of first conductive vias and the row of second conductive vias by SMT (surface mount technology), each embedded magnetic component comprising a magnetic core embedded in the paddle board, and a plurality of PCB (printed circuit board) layout traces disposed in the paddle board, each of said plurality of PCB layout traces comprising a first PCB layout trace having one end encircling around the magnetic core and another end connecting with one of the first conductive vias, and a second PCB layout trace having one end encircling around the magnetic core and another end connecting with the SMD; and

    two rows of terminals respectively electrically connecting with the row of first conductive vias and the row of second conductive vias of the paddle board for being mounted on a mother board.

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