Patent ID: 6518870
Filing Date: 2003-02-11
Classification: H01F

Abstract:
A transformer bobbin, comprising:a tubular body including a surface; a first partition wall formed on the surface of said tubular body, wherein said first partition wall includes a first flange having a neck portion for a wire to be wound around, and divides the body into a primary side and a secondary side; at least one second partition wall, parallel to said first partition wall, formed on the surface of said tubular body, wherein said at least one second partition wall includes a first breach and a second flange, and the second flange includes a first notch to form a first surface that towards upwards; at least one third partition wall interposed between said adjacent second partition walls, wherein said third partition wall includes a second breach and a third flange, the third flange includes a second notch to form a second surface, and a horizontal height difference exists between said first surface and said second surface that towards downwards; a plurality of first pins disposed on the primary side; and two second pins disposed on the secondary side.