| 摘要 |
<p>PURPOSE:To obtain a small size thine high inductance by inserting an I-shaped core perpendicular to a winding axis of a spool body on a base of an intermediate engaging frame between two frames, opposing legs of centers of two E- shaped cores to engaging holes, and inserting them to form a closed magnetic path in a square shape with a cross inside. CONSTITUTION:A winding is formed on a coil bobbin 1 which has an intermediate engaging frame 12 formed of two frames 10, 11 opposed in parallel at a predetermined interval via a spool body 2, and a base 14 for supporting the frame 12 having a crossover part 13 for bridging the winding between separated both winding parts in a bottom. Then, an I-shaped core 16 perpendicular to a winding axis of the body 2 on the base 14 of the frame 12 is inserted between the two frames 10 and 11. Central legs 19, 20 of two E-shaped cores 17, 18 are opposed to an engaging hole 3 to be inserted, and corresponding central legs 19, 20 and side legs 21, 22 of both physical magnetic centers are brought into physical contact with the I-shaped core to form a closed magnetic path in a square shape with an inside cross.</p> |
