| 摘要 |
PURPOSE: A coil-folded molding type isolating transformer is provided to improve ability by lowering leakage inductance. CONSTITUTION: A coil-folded molding type isolating transformer includes a first coil bobbin assembly(10-1), a first coil assembly(20), a second coil assembly(40), and an external resin case. The first coil bobbin assembly is formed by winding a first coil(15-1) to an outer part of a bobbin assembly(10) in which a core(11) is mounted. The first coil assembly is formed by coupling a first coil protecting bobbin in an outer part of the first coil bobbin assembly. The second coil assembly is formed by winding a second coil(41) to an outer part of the first coil protecting bobbin which forms the first coil assembly. The external resin case is covered in an outer part of the second coil assembly.
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