Murata Manufacturing Co., Ltd.

Mamoru Zushi

Yukio Sakamoto

Masahiro Bando

A noise suppression inductor including a bobbin having a spool divided into a plurality of spool portions, a core mounted on the bobbin, at least one coil wound around the spool portions into a plurality of coil portions and a plurality of terminal pins connected to opposite ends of the coil, in which the coil portions have different winding widths such that stray capacities produced at the coil portions are made different from each other, whereby the noise suppression inductor has a plurality of self-resonance frequencies.

Noise suppression inductor

A noise suppression inductor including a bobbin having a spool divided into a plurality of spool portions, a core mounted on the bobbin, at least one coil wound around the spool portions into a plurality of coil portions and a plurality of terminal pins connected to opposite ends of the coil, in which at least one of the coil portions is composed of a first part having one or two winding layers and a second part having one winding layer and at least another one of the coil portions has not less than two winding layers.

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Takefu, Japan

Mamoru Zushi