A chip resistor including, a substrate having a main surface, a first resistance circuit formed at the main surface of the substrate, a second resistance circuit formed at the main surface of the substrate apart from the first resistance circuit, a common internal electrode formed at the main surface of the substrate and electrically connected to the first resistance circuit and the second resistance circuit, a first internal electrode formed at the main surface of the substrate and electrically connected to the first resistance circuit, a second internal electrode formed at the main surface of the substrate and electrically connected to the second resistance circuit, and a dummy resistance circuit formed in a region between the first resistance circuit and the second resistance circuit at the main surface of the substrate so as to be in an electrically floating state.

A chip resistor including, a substrate having a main surface, a first resistance circuit formed at the main surface of the substrate, a second resistance circuit formed at the main surface of the substrate apart from the first resistance circuit, a common internal electrode formed at the main surface of the substrate and electrically connected to the first resistance circuit and the second resistance circuit, a first internal electrode formed at the main surface of the substrate and electrically connected to the first resistance circuit, a second internal electrode formed at the main surface of the substrate and electrically connected to the second resistance circuit, and a dummy resistance circuit formed in a region between the first resistance circuit and the second resistance circuit at the main surface of the substrate so as to be in an electrically floating state.

A resistor grid system includes a resistor strip including multiple pins. The resistor grid system also includes an insulation board coupled to the resistor strip through the multiple pins and configured to provide a structural support. The insulation board is made of a composite material. The composite material includes a nitrogen-containing aromatic thermosetting polymeric resin and a filler.

A resistor grid system includes a resistor strip including multiple pins. The resistor grid system also includes an insulation board coupled to the resistor strip through the multiple pins and configured to provide a structural support. The insulation board is made of a composite material. The composite material includes a nitrogen-containing aromatic thermosetting polymeric resin and a filler.

Electronic parts for improving an isolation distance are provided. The electronic part includes: at least one plate; and first and second terminals each connected to the plate, wherein the electronic part is mounted in a PCB through the first and second terminals and a creepage distance between the first terminal and the second terminal is greater than a clearance distance between the first terminal and the second terminal.

Disclosed are a resistor, a heat dissipater and a combinatory device of the resistor and the heat dissipater, and relates to the field of power electronics. The resistor is cylindrical, and comprises a metal end, an insulating part, a casing, metal bars, a resistor wire, thermally conductive insulating fillers and a metal connection mechanism. The metal connection mechanism of the resistor and the heat dissipater are connected by means of direct contact. The structure and the connection method can shorten the length of the resistor, completely insulate the electrical circuits of the resistor from the possible leakage of the water inlet- and outlet-pipe of the heat dissipater, and enable the combinatory device of the resistor and the heat dissipater to be structurally more compact and the connections thereof cleaner.

Disclosed are a resistor, a heat dissipater and a combinatory device of the resistor and the heat dissipater, and relates to the field of power electronics. The resistor is cylindrical, and comprises a metal end, an insulating part, a casing, metal bars, a resistor wire, thermally conductive insulating fillers and a metal connection mechanism. The metal connection mechanism of the resistor and the heat dissipater are connected by means of direct contact. The structure and the connection method can shorten the length of the resistor, completely insulate the electrical circuits of the resistor from the possible leakage of the water inlet- and outlet-pipe of the heat dissipater, and enable the combinatory device of the resistor and the heat dissipater to be structurally more compact and the connections thereof cleaner.

The invention relates to a composite material strip for producing an electric component, in particular a resistor, in particular a low-resistance current-measuring resistor, comprising a first material strip (4) made of a copper-containing material, in particular a copper-containing conductor material, for later forming a first connection part of the electric component and comprising a second material strip (3) for later forming a second connection part of the electric component. The first material strip (4) and the second material strip (3) are electrically and mechanically connected together along a longitudinal seam, wherein the second material strip (3) consists of an aluminum-containing material, in particular an aluminum-containing conductor material. The invention further relates to a corresponding production method and to a corresponding component.

The invention relates to a composite material strip for producing an electric component, in particular a resistor, in particular a low-resistance current-measuring resistor, comprising a first material strip (4) made of a copper-containing material, in particular a copper-containing conductor material, for later forming a first connection part of the electric component and comprising a second material strip (3) for later forming a second connection part of the electric component. The first material strip (4) and the second material strip (3) are electrically and mechanically connected together along a longitudinal seam, wherein the second material strip (3) consists of an aluminum-containing material, in particular an aluminum-containing conductor material. The invention further relates to a corresponding production method and to a corresponding component.

The present invention provides a protective element including (i) a PTC element having an opening passing through in the thickness direction, and (ii) a first electrode and a second electrode positioned on both main surfaces of the PTC element, the protective element characterized in that the first electrode extends from a main surface of the PTC element over an edge thereof and into the opening. A protective element of the present invention does not prevent the PTC element from expanding even when secured by a screw or caulking.