A highly reliable surface-mounted resistor, which prevents a problem of disconnection between an electrode and a terminal of a chip resistor when heating during mounting, is disclosed. The surface-mounted resistor includes a chip resistor comprising a plate-shaped substrate, a resistance body formed on an upper surface of the substrate, and an electrode connected the resistance body and drawn from the upper surface of the substrate to a lower surface via an end surface, a plate-shaped lead terminal connected to the electrode of the chip resistor, the plate-shaped lead terminal being fixed to the electrode of the substrate on the lower surface side, and an exterior member covering an entire chip resistor and a part of the lead terminal.

The present invention relates to a circuit protection device including: a device comprising a heating element configured to comprise a body and a pair of electrodes formed on the body, and a pair of lead wires connected, respectively, to the pair of electrodes; and a case having an independent accommodating space formed therein to accommodate at least the heating element, wherein the case includes at least one heat insulating layer disposed in the vicinity of the accommodating space.

A shunt resistor module, which includes a shunt resistor having a resistor unit having a predetermined resistance, plate-shaped terminal units respectively configured to extend at both sides of the resistor unit, and a voltage measurement lead pin configured to protrude perpendicular to the terminal unit and having an end portion bent to be parallel to the terminal unit, and a PCB substrate having an assembly guide portion formed to be cut inward by a predetermined depth from an outermost side thereof. The voltage measurement lead pin is fit into the assembly guide portion so that the resistor unit and the terminal unit are placed on a front surface of the PCB substrate and the end portion of the voltage measurement lead pin is caught at a rear surface of the PCB substrate.

A process manufactures a PTC heating element (10) that includes at least one PTC component (20) and, on at least one side (50, 52) of the at least one PTC component (20), at least one carrier (14, 16) permanently connected to the PTC component (20). The process includes arranging solder material (46, 48) between the one side of the at least one PTC component (20), which side is to be permanently connected to the at least one carrier (14, 16), and the at least one carrier to be connected on this side of the at least one PTC component (20). The solder material (46, 48) is melted by induction soldering to connect the at least one PTC component (20) to the at least one carrier (14, 16).

A laser cutter and safe power system therefor are disclosed. The power system of the laser cutter includes a resistive device arranged in a return line and configured to prevent anomalous tripping of a GFCI device by significantly minimizing electrical noise transmitted through the GFCI device when the laser cutter is operated in certain modes, such as a pulsing mode. The resistive device includes end caps that form a shroud around the connection between a return wire and the contact at each end of the resistive device. A main control board for a high voltage subsystem of the power system includes two isolated and independent enable signals, which are provided to different controllers on the main control board such that the different controllers can independently and redundantly respond to an unsafe condition.

The present disclosure relates to a modular current limiting resistor comprising a plurality of plate resistors, wherein the plate resistors each comprise a pair of coupling pieces and a conducting line integrally formed with the coupling pieces and having a zigzag shape between the coupling pieces; a pair of support frames which support the stacked plate resistors; a plurality of coupling members which pass through one of the support frames, pass the coupling pieces, and are inserted into the plate resistors; a plurality of conductor rings disposed between the plate resistors while passing through and being inserted into the coupling members, and which electrically connect the conducting line on each of the plate resistors; and at least one unit module comprising a plurality of insulating rings disposed between the plate resistors while passing through and being inserted into the coupling members so as to insulate the plate resistors.

The present disclosure relates to a modular current limiting resistor comprising a plurality of plate resistors, wherein the plate resistors each comprise a pair of coupling pieces and a conducting line integrally formed with the coupling pieces and having a zigzag shape between the coupling pieces; a pair of support frames which support the stacked plate resistors; a plurality of coupling members which pass through one of the support frames, pass the coupling pieces, and are inserted into the plate resistors; a plurality of conductor rings disposed between the plate resistors while passing through and being inserted into the coupling members, and which electrically connect the conducting line on each of the plate resistors; and at least one unit module comprising a plurality of insulating rings disposed between the plate resistors while passing through and being inserted into the coupling members so as to insulate the plate resistors.

A chip resistor with a reduced thickness is provided. The chip resistor includes an insulating substrate, a resistor embedded in the substrate, a first electrode electrically connected to the resistor, and a second electrode electrically connected to the resistor. The first electrode and the second electrode are spaced apart from each other in a lateral direction that is perpendicular to the thickness direction of the substrate.

A chip resistor with a reduced thickness is provided. The chip resistor includes an insulating substrate, a resistor embedded in the substrate, a first electrode electrically connected to the resistor, and a second electrode electrically connected to the resistor. The first electrode and the second electrode are spaced apart from each other in a lateral direction that is perpendicular to the thickness direction of the substrate.

This shunt resistor includes: a first terminal and a second terminal each made of an electrically conductive metal material and having a first planar surface and a second planar surface, the respective first planar surfaces of the first terminal and the second terminal opposing each other; and a resistive body and a support column member each connected to the respective first planar surfaces and connecting the first terminal and the second terminal. The support column member is made of a metal material. An area of bonding between the resistive body and the support column member and the respective first planar surfaces is smaller than an area of the first planar surface. The first terminal and the second terminal each have a hole portion formed so as to penetrate therethrough from the first planar surface to the second planar surface.