An embedded-core device including a substrate, a core embedded in the substrate, a winding arranged around the core, and a dummy pin in direct contact with the core and not in direct contact with the winding. A method of a manufacturing an embedded-core device includes providing winding pins and a dummy pin, inserting a core between the winding pins using the dummy pin such that the dummy pin is in direct contact with the core and not in direct contact with the winding pins, and sealing the core with resin.

The present disclosure provides a heat dissipation structure for a magnetic component and a magnetic component having the same. The magnetic component includes a plurality of heat dissipation pins, which are disposed on the winding of the magnetic component, wherein the magnetic component has one or more windings. The heat dissipation structure includes a circuit board on which a plurality of heat dissipation channels are disposed, and the heat dissipation pins of the windings are in contact with the heat dissipation channels; a plurality of heat conduction portions are disposed correspondingly under the heat dissipation channels of the circuit board; a heat conduction layer is arranged under the heat conduction portions and contacts with the heat conduction portions; and a heat dissipation layer is arranged under the heat conduction layer and contacts with the heat conduction layer.

The following disclosure relates to a planar transformer and a bobbin assembly applied thereto, and more particularly, to a planar transformer in which pins may be firmly fixed through a bobbin body, a bobbin assembly may be conveniently assembled to a transformer board using snap protrusions of the bobbin body, and a total height of the planar transformer may be lowered using a flange part at the time of mounting the planar transformer, and a bobbin assembly applied thereto.

A power adapter includes a circuit board, an electromagnetic interference filter, a shielding element, a power factor correction (PFC) inductor, a transformer and heating elements. The circuit board has a front side and a back side corresponding to each other, and a first long side and a second long side parallel to each other. The front side of the circuit board is divided into a first region, a second region and a third region along an extending direction of the first long side. The electromagnetic interference filter is disposed in the first region and close to the first long side. The shielding element is disposed in the first region and close to the electromagnetic interference filter. The PFC inductor is disposed in the first region of the circuit board and close to the second long side. The PFC inductor has a first long axis. The transformer is disposed in the third region and close to the first long side. The transformer has a second long axis, and the first long axis is perpendicular to the second long axis. The heating elements are disposed at the back side of the circuit board.

A low-profile high minimum creepage housing for electronic components such as transformers is provided. The housing can include a body and a lid. The lid can have attachment members that secure the lid to the body, after an electronic component is installed into the body. The attachment members of the lid may also secure a wire routed along the outside of the body against the body. The lid may include protruding portions that extend into the body, thereby elongating a minimum creepage path.

The present application provides a synchronous rectification assembly, a manufacturing method thereof and a power supply. The synchronous rectification assembly comprises a synchronous rectification board, a transformer and a main board; wherein the synchronous rectification board is disposed on the main board and is electrically connected to the main board, and the transformer is disposed on the synchronous rectification board and is electrically connected to the synchronous rectification board; the synchronous rectification board is provided with a conductive contact for being electrically connected to an external apparatus, and the synchronous rectification board is used for synchronously rectifying an output signal of the transformer and thereafter transmitting the output signal to the conductive contact. The present application can solve the problem that the output signal outputted by the transformer in the existing synchronous rectification assembly has a large loss during transmission.

The present application provides a synchronous rectification assembly, a manufacturing method thereof and a power supply. The synchronous rectification assembly comprises a first circuit board, a transformer, an electrical connection piece and a second circuit board; wherein the transformer is electrically connected to the first circuit board, and the second circuit board is provided with a conductive contact for being electrically connected to an external apparatus, and the electrical connection piece is electrically connected to the first circuit board and the second circuit board respectively; the first circuit board is configured to perform synchronous rectification on the output signal of the transformer and then transmit the output signal to the conductive contact of the second circuit board through the electrical connection piece. The present application can solve the problem that the output signal outputted by the transformer in the existing synchronous rectification assembly has a large loss during transmission.

An inductance value increasing structure includes: a magnetic core and a coil. The magnetic core is of an I-shape. The magnetic core includes a central pole. The central pole has two ends that are respectively provided with a first flange and a second flange, and the first flange has a length and a width that are less than or equal to the second flange. The coil has a first end and a second end. The coil is wound around and disposed on the magnetic core. Compared to a known structure, the present invention includes, in addition to a central pole, a first flange. Under a condition of being supplied with one fixed current, the greater the size and shape of the magnetic core, the larger the inductance value of the inductor, and thus, the arrangement of the first flange can effectively increase the inductance value.

A magnetic device for an electronic circuit includes a bobbin having a bobbin body with an axial passage, a first pin rail, and a second pin rail. A winding can be disposed around the bobbin body. A core can have a core leg extending into the axial passage. The bobbin can be disposed on a printed circuit board. The core and the winding can be elevated off of the printed circuit board. The bobbin can include a first spacing member positioned between the bobbin body and the first pin rail, and a second spacing member positioned between the bobbin body and the second pin rail. The core can be positioned on the first and second spacing members such that the core is at an offset position from the first and second bobbin pin rails. The winding can additionally be offset from the first and second pin rails.

A filter inductor for high-current applications. The filter inductor includes a magnetic core and a winding. The winding includes a shaped section having opposing ends, a pair of arm sections laterally extending from the opposing ends of the shaped section, respectively, and a pair of inductor pins, each extending perpendicular from an end of a respective arm section. The magnetic core includes a first core portion and a second core portion. The first core portion includes a recessed channel configured to receive the shaped section of the winding. The second core portion includes a pair of recessed regions configured to receive the pair of arm sections of the winding, respectively. The first core portion and the second core portion are coupled in contact to one another to secure the shaped section of the winding within the magnetic core. The filter inductor can be edge-mounted to a printed circuit board.