Workability during the connection of inductors is improved. A conductive path (A) with noise filter includes a plurality of conductive path main bodies (11u, 11v, 11w), a plurality of insulating layers (12u, 12v, 12w) that surround respective outer circumferences of the conductive path main bodies (11u, 11v, 11w), a plurality of conductors (16u, 16v, 16w) that are provided with the insulating layers (12u, 12v, 12w) being sandwiched between the conductors (16u, 16v, 16w) and the conductive path main bodies (11u, 11v, 11w) and form respective capacitors (17u, 17v, 17w), a plurality of inductors (30u, 30v, 30w) that are connected to the respective conductors (16u, 16v, 16w), and an electrical connection member (38) including a plurality of fitting portions (40) into which the respective inductors (30u, 30v, 30w) can be fitted.

A hard wired unit with an energy saving device has an inductive capacitive reactor for low amperage use, acting as a multifaceted transformer with inductor and capacitor functionalities iteratively, includes: a stacked group of hollow centered continuous loop components sequentially arranged as follows: (i) a first ferrite toroidal component; (ii) a first separator component, being a doped separator component; (iii) a non-magnetic conductive metal toroidal component having a plurality of protrusions with notches between said protrusions; (iv) a second separator component, selected from the group consisting of doped and non-doped; (v) a second ferrite toroidal component. Another inductive capacitive reactor for industrial and commercial hard wired units with high amperage use has similar components as just stated and also has (v) a non-magnetic conductive metal toroidal component without protrusions; (vi) a third separator component; (vii) a second non-magnetic conductive metal toroidal component having a plurality of protrusions with notches between said protrusions, (viii) a fourth separator component; and (ix) a second ferrite toroidal component.

An energy saving device with at least one inductor capacitive reactor for high amperage uses functions as a multifaceted transformer with inductor and capacitor functionalities iteratively. It includes a stacked group of hollow centered continuous loop components follows: (i) a first ferrite toroidal component; (ii) a first doped separator component; (iii) a non-magnetic conductive metal toroidal component with protrusions and notches; (iv) a second separator component, doped or non-doped; (v) a non-magnetic conductive metal toroidal component without protrusions; (vi) a third separator component, doped or non-doped; (vii) a second non-magnetic conductive metal toroidal component with protrusions and notches, wherein the second non-magnetic conductive metal toroidal component is rotated relative to the first non-magnetic conductive metal toroidal component; (viii) a fourth separator component, being selected from the group consisting of doped and non-doped; (ix) a second ferrite toroidal component; (x) a first incoming wire being wrapped around a portion of the stacked group, being a hot wire; (xi) a second incoming wire being wrapped around a portion of the stacked group, being a ground wire.

Disclosed herein is an electronic circuit module that includes a circuit board and a common mode filter mounted on the circuit board. The common mode filter includes first and second terminal electrodes constituting a first pair of terminal electrodes and third and fourth electrodes constituting a second pair of terminal electrodes. The circuit board includes: a first wiring layer having first, second, third, and fourth land patterns connected to the first, second, third, and fourth terminal electrodes, respectively, and first, second, third, and fourth wiring patterns connected to the first, second, third, and fourth land patterns, respectively; and a second wiring layer having a ground pattern that overlaps the first, second, third, and fourth wiring patterns without overlapping the first and second land patterns.

Radio frequency devices and methods are provided where a network like a filter network or impedance matching network comprises a series connection of at least two inductors.

An integrated common mode and differential mode inductor can include a first core including a first center leg, a second core including a second center leg, a first center winding on the first center leg, and a second center winding on the second center leg. The first center leg can be spaced apart from the second center leg, for example by a center air gap. The integrated common mode and differential mode inductor can further include a left winding on a first left leg of the first core and a second left leg of the second core, as well as a right winding on a first right leg of the first core and a second right leg of the second core.

Disclosed herein is a common mode filter that includes first and second terminal electrodes provided on the first flange part, third and fourth terminal electrodes provided on the second flange part, a first wire wound around the winding core part and having one end connected to the first terminal electrode and other end connected to the third terminal electrode, and a second wire wound around the winding core part and having one end connected to the second terminal electrode and other end connected to the fourth terminal electrode. The winding core part includes a first winding region, a second winding region, and a third winding region positioned between the first and second winding regions in the axial direction. The first and second wires are bifilar-wound in the first and second winding regions and layer-wound in the third winding region.

An electronic module comprising a first electronic unit 51 which has a first insulating substrate 61 and a first electronic element 41 provided on the first insulating substrate 61 via a first conductor layer 21, a second electronic unit 52 which has a second insulating substrate 62 and a second electronic element 42 provided on the second insulating substrate 62 via a second conductor layer 22, a connecting body 29 provided between the first electronic unit 51 and the second electronic unit 52 and a coil 70 wound around the connecting body 29.

A coil component includes a body including coil patterns and a plurality of trenches; and external electrodes electrically connected to the coil patterns. The plurality of trenches include a magnetic material, and at least one edge of a trench disposed outside of an outermost coil pattern among the coil patterns has a same shape as an outside boundary portion of the outermost coil pattern adjacent thereto.

The invention comprises an electrical system apparatus for processing three-phase power, comprising: a first, second, and third inductor connected on a first end to a first common magnetic field carrying plate and connected on a second end to a second common magnetic field carrying plate, where the three inductors are equidistant from each other and/or equidistance from a central axis, which yields an equal coupling common mode inductor-capacitor based filtering apparatus. Generally, inductor placement symmetry and/or equal magnetic field permeabilities between each pair of the three inductors balances magnetic fields within each inductor at each point of time, where each of the three inductors is connected to a single phase of three-phase power, the three phases offset from each other by one-third of a period.