Abstract: A safety device comprises a first heat dissipation part, a second heat dissipation part and a connecting part. The connecting part is arranged between the first heat dissipation part and the second heat dissipation part, and at least one heat locking hole disposed thereon. The heat locking hole of the connecting part can reduce a diffusion speed of heat of the connecting part, so that the heat is concentrated between the first heat locking hole and the second heat locking hole, and thus the connecting part can be fused in time at a high temperature.

Abstract: Provided are circuit protection devices. In some embodiments, a protection device may include a set of leads extending though a socket body, wherein the socket body includes a first side opposite a second side, and a third side opposite a fourth side, wherein the third and fourth sides extend between the first and second sides, and wherein the third side includes a thermal vent. The protection device may further include a fusible element surrounding a central shaft, wherein the fusible element is connected with the set of leads.

Abstract: The present invention provides a fuse that has a stable fusing characteristic and is easily manufactured. A fuse 600 includes: a fuse element 100 that is provided between a pair of terminal parts 110 and has a plurality of fuse parts 120; and a casing 200 for housing the fuse parts 120, wherein the fuse element 100 includes a first flat surface 140 and a second flat surface 150 which are shaped bent along a longitudinal direction P of the fuse element 100 and which extend in a linear manner along the longitudinal direction P, wherein the first flat surface 140 and the second flat surface 150 are provided with the plurality of fuse parts 120, and wherein the first flat surface 140 and the second flat surface 150 are contiguous to one other via a bent section 131.

Abstract: A PTC heating element and an electric heating device containing such a PTC heating element are disclosed. The PTC heating element comprises two insulating layers with a metallic coating provided on one side and a PTC element arranged therebetween which is provided on oppositely disposed main side surfaces with a respective metallization which is electrically conductively connected to the coating of one of the insulating layers. The metallization provided on one of the main side surfaces is assigned only to one potential for energizing the PTC element. The metallization provided on the other main side surface is assigned to only the other potential for energizing the PTC element. The metallization of the one main side surface of the PTC element and the metallization of the other main side surface of the PTC element are formed in such a way that the current path (P) through the PTC element is extended relative to the thickness (D) of the PTC element.

Abstract: The invention relates to an use of a melting conductor (1) for a DC fuse (2) and a high-voltage high-power fuse (2) (HH-DC fuse), wherein the melting conductor (1) comprises an electrically conductive melting wire (3), wherein the melting wire (3) comprises at least two overload narrow sections (4) in the form of a cross-sectional constriction, wherein, preferably between the two immediately successive overload narrow sections (4) a first layer (7) comprising solder and/or surrounding the outer shell surface (6) of the melting wire (3) circumferentially at least in some areas, preferably completely, is provided in at least one first section (5), and wherein a second layer (9) surrounding the outer shell surface (6) of the melting wire (3) circumferentially at least in some areas, preferably completely, is provided adjacent to each of the overload narrow sections (4) in a respective second section (8).

Abstract: An electrochemical energy storage module and a vehicle having an energy storage module of this type. At least one energy storage cell and at least one bridging device are electrically connected in parallel. The bridging device has a first current conductor having at least one bridging point, which has a bridging point cross-section, and a second current conductor, which is spaced apart from the first current conductor by a gap. The bridging device also has a bridging switch for establishing a first partial electrical connection between the first current conductor and the second current conductor and has a bridging material arranged in the region of the bridging point.

Abstract: Various implementations described herein are directed to a method for detecting, by a device, an increase in temperature at certain parts of an electrical system, and taking appropriate responsive action. The method may include measuring temperatures at certain locations within the system and estimating temperatures at other locations based on the measurements. Some embodiments disclosed herein include an integrated cable combining electrical conduction and heat-detection capabilities, or an integrated cable or connector combining electrical conduction with a thermal fuse.

Abstract: An active/passive fuse module including a base, a busbar disposed on the base and including a fuse element extending over a cavity in a top surface of the base and having a plurality of weak points formed therein, a pyrotechnic interrupter (PI) disposed atop the base and including a piston disposed within a shaft above the fuse element, the piston having an edge with a geometry that corresponds to a geometry of a pattern defined by the weak points in the fuse element, a first pyrotechnic ignitor coupled to a controller and configured to detonate and force the piston through the fuse element upon receiving an initiation signal from the controller, and a second pyrotechnic ignitor coupled to the busbar by a pair of leads and configured to detonate and force the piston through the fuse element upon an increase in voltage across the leads.

Abstract: The invention relates to a use of a high-voltage high-power fuse for securing direct current transmission, wherein the direct voltage of the direct current and/or the rated voltage of the high voltage fuse (1) is greater than 4 kV.

Abstract: Disclosed herein is an organic lighting apparatus that can reduce leakage current. The organic lighting apparatus includes a plurality of light-emitting portions, each of which has a first electrode including an electric current injection line, wherein the electric current injection line includes one or more fuse structures. With the electric current injection line including a fuse structure, when a short circuit occurs between first and second electrodes in a specific light-emitting portion, the fuse operates and prevents electric current from being injected into the short-circuited light-emitting portion, thereby making it possible to reduce leakage current.

Abstract: An electrical cartridge fuse including a cylindrical housing, first and second terminals coupled to the cylindrical housing, and a fuse element inside the housing and interconnected between the first and second terminals. The fuse element has a main body having at least five openings formed therein in a single line along a longitudinal axis of the fuse element, a guide element formed on a first end of the main body, and a hanger element formed on the second end of the main body. The cartridge fuse has a package size of about 6×32 mm and a voltage rating of at least 500 VADC, a 20 kA IR Rating, a current rating of 12 A to 30 A and a defined opening time at 100% rated current.

Abstract: The invention concerns a fuse box, comprising a busbar (6) and at least one fuse (8) connected to the busbar, each fuse including two opposite end portions (8A, 8B) and a central portion (82), at least the central portion of each fuse and a section of the busbar being encapsulated in a plastic coating layer. The central portion (82) includes a part (84) of reduced cross-section. The two end portions (8A, 8B) include two respective electrical connectors (81A, 81B), and at least the two electrical connectors (81A, 81B) of each fuse (8) are not encapsulated in the plastic coating layer, so that a new fuse (12) can be connected between the two electrical connectors (81A, 81B) in replacement of a blown fuse (8).

Abstract: A fuse includes a fuse element extending along an axis, the fuse element including two terminals and a melt portion arranged between the two terminals, a casing that accommodates the melt portion and an arc-extinguishing material, the casing including an outer circumferential surface and two end surfaces, the casing being an assembly of at least two segments, and a molded body made of plastic, the molded body including two covers that respectively cover the two end surfaces and including one or more coupling portions that couple the two covers to each other, the two covers and the one or more coupling portions being integrally molded. The casing includes one or more exposed portions on the outer circumferential surface, the one or more exposed portions being exposed without being covered by the coupling portions.

Abstract: A method for fabricating a semiconductor device including an electrically programmable fuse includes forming conductive material within one or more openings formed through a dielectric material disposed on a first electrode, and forming one or more second electrodes by planarizing the conductive material. Forming the conductive material includes forming one or more voids encapsulated by the conductive material such that the one or more voids have boundaries defined in part by portions of the conductive material corresponding to fuse links disposed between the one or more voids and the dielectric material.

Abstract: The present disclosure provides a battery module, a busbar and a busbar assembly thereof. The busbar comprises a first connecting portion, a second connecting portion and a first main portion. The first connecting portion is connected to a first battery of the battery module, the second connecting portion is connected to a second battery. The first main portion connects the first connecting portion and the second connecting portion, and the first connecting portion and the second connecting portion are positioned at the same side of the first main portion in a transverse direction. The first connecting portion and the second connecting portion are spaced from each other in a longitudinal direction, and a first slit is formed between the first connecting portion and the second connecting portion. The first main portion is provided with a first notch, the first notch is communicated with the first slit.

Abstract: An embodiment of an arc flash reduction maintenance system includes a pyrotechnic disconnect module and an overcurrent protection device connected to the pyrotechnic disconnect module. A control line is connected to the at least one pyrotechnic disconnect module and in parallel with one of the pyrotechnic disconnect module and the overcurrent protection device. The control line provides a self-generating control signal to cause the pyrotechnic disconnect module to electrically isolate the overcurrent protection device. A switch is located in the control line to selectively enable or disable at least one arc flash reduction maintenance system mode in the control line.

Abstract: A fusible via is disclosed. The fusible via includes an upper contact. The fusible via further includes a handle portion having a first end and a second end. The upper contact is disposed on the first end of the handle portion. The handle portion comprises an alloy and a blowing agent. The alloy melts above a predefined solder reflow temperature but below a thermal degradation temperature of the blowing agent. The fusible via further includes a lower contact disposed on the second end of the handle portion.

Abstract: The present teachings disclose a wire mesh heater including: a wire mesh element having a surface area including a non-contact area and a contact area along at least 50% of a wire mesh element length; a primary conductor including a slit having a contact surface, wherein the contact area contacts the contact surface to provide an electrical connection between the wire mesh element and the primary conductor. In some embodiments, the primary conductor is welded to the wire mesh element, wherein the contact area contacts the contact surface to provide an electrical connection between the wire mesh element and the primary conductor. In some embodiments, an elastic is stretched and secured tautly under tension prior to operation of the wire mesh heater, and the elastic keeps the wire mesh element tautly under tension during operation of the wire mesh heater.

Abstract: An apparatus for estimating the lifetime of a surge protective device (SPD) using the discharge characteristics of a metal oxide varistor (MOV) includes an MOV having an input terminal and an output terminal; an impulse voltage application unit applying an impulse voltage for MOV test to the input terminal of the MOV; a discharge current measurement unit; a first switching unit connecting a power line to the input terminal of the MOV; a second switching unit connecting a ground line to the output terminal of the MOV in the normal mode and selectively connecting the discharge current measurement unit in the MOV test mode; an MOV test management unit providing information; a discharge current check unit generating an MOV abnormal signal; and an MOV state display unit displaying an MOV abnormal signal.

Abstract: A fuse device and a fuse element having excellent rapid blowout properties and excellent insulation properties after blowout even in a size-reduced fuse device are provided. A fuse element constitutes a current path of a fuse device and blows out due to self-generated heat when a rating-exceeding current flows, a length W in a width direction perpendicular to a conduction direction being greater than a total length L in the conduction direction in the fuse element. In particular, the fuse element includes a low melting point metal layer and a high melting point metal layer, the low melting point metal layer eroding the high melting point metal layer when current flows to cause blowout.

Abstract: Power fuses having filler material including hydrated zeolite material facilitates increasing power density of electrical fuses in reduced package sizes. The hydrated zeolite material releases water to cool and suppress electrical arcing conditions experienced in higher power circuitry.

Abstract: A fuse element capable of surface-mounting and capable of increased ratings while maintaining high-speed blowout property; and a fuse device using the same. A fuse element blown by self-generated heat caused when a rate-exceeding current flows therethrough constitutes a current path of a fuse device and has a low melting point metal layer and a high melting point metal layer laminated onto the low melting point metal layer; when the current flows therethrough, the low melting point metal layer erodes the high melting point metal layer and blowout occurs.

Abstract: A relay (100) is provided.

Abstract: The present invention aims to achieve a Pb-free protection element by using a layered body including a high melting point metal layer and a low melting point metal layer. A protection element includes an insulating substrate, a heating body, an insulating member, two electrodes, a heating body extraction electrode, and a fusible conductor. Furthermore, the fusible conductor includes a layered body including at least a high melting point metal layer and a low melting point metal layer, and the low melting point metal layer is melted by a heat generated by the heating body, whereby, while eroding the high melting point metal layer, the low melting point metal layer is drawn close to the side of the two electrodes and the heating body extraction electrode, and fused, the two electrodes and the heating body extraction electrode each having high wettability for the low melting point metal layer.

Abstract: A sensing circuit, a vehicular battery pack using a sensing circuit, a method of protecting a circuit with a fuse and a method of providing battery power to a vehicle. The sensing circuit includes the fuse, which is made up of a main element and a sensing element such that the sensing element defines a pre-open detection capability through at least one of a dissimilar geometric profile or a different material choice from that of the main element. The sensing circuit also includes an electrical connector between one or more battery cells and an electronic control module so that the circuit provides indicia of the fusing event.

Abstract: An improved fuse element for use in a circuit protection fuse. The fuse element may include an insulating substrate portion and a conductive metallic portion disposed on at least one surface of the insulating substrate portion, wherein the metallic portion extends along, and is in continuous, intimate contact with the substrate portion. When the metallic portion melts and separates upon the occurrence of an overcurrent condition, the substrate portion bridges the resulting gap that is formed in the metallic portion and provides electrical arc suppression therein.

Abstract: The present invention provides a protection device which includes: a PTC laminar element which is formed of an insulation resin and has at least one throughhole; electrically conductive metal thin layers which are positioned on each of main surfaces of the laminar element, and a fuse layer which is positioned on a side surface defining at least one of said at least one throughhole and electrically connects the electrically conductive metal thin layers which are positioned on each of main surfaces of the laminar element. The protection device of the present invention allows a larger amount of a current to flow therethrough and can provide a protection from an excessive current.

Abstract: To achieve a Pb-free protection element, a layered body including a high melting point metal layer and a low melting point metal layer is provided. The protection element includes an insulating substrate, a heating body, an insulating member, two electrodes, a heating body extraction electrode, and a fusible conductor. Furthermore, the fusible conductor includes a layered body including at least a high melting point metal layer and a low melting point metal layer, and the low melting point metal layer is melted by a heat generated by the heating body. While eroding the high melting point metal layer, the low melting point metal layer is drawn close to the side of the two electrodes and the heating body extraction electrode, and fused, the two electrodes and the heating body extraction electrode each having high wettability for the low melting point metal layer.

Abstract: A high-voltage direct-current thermal fuse, includes a high-voltage low-current thermal fuse connected to a high-voltage direct-current circuit. The high-voltage low-current thermal fuse includes a casing, fusible alloy wires, and two leads extending out of the casing. The fusible alloy wires are connected between the two leads. One of the leads is sequentially sleeved with an arc extinguishing sleeve and a spring. One end of the arc extinguishing sleeve is in contact with the fusible alloy wires; and the other end of the arc extinguishing sleeve is in contact with the spring. One end of the spring is connected to the internal end face of the casing; and the spring is in a compressed state. The high-voltage direct-current thermal fuse further includes a conventional thermal fuse connected in parallel to the high-voltage low-current thermal fuse; or further includes a current fuse connected in series with the high-voltage low-current thermal fuse.

Abstract: A chip type fuse excellent in resistance to climate conditions, where the fuse is able to operate stably under high temperature and high humidity environments. The fuse includes an insulative substrate; an under-glass layer formed on the insulative substrate; a fuse element formed on the under-glass layer; a pair of electrodes formed at both end sides of the fuse element; and an over-glass layer covering at least a fusing section of the fuse element; wherein the fuse element includes a layer where a first metal layer and a second metal layer are piled up, and a barrier layer consisting of a third metal layer, which covers the first metal layer and the second metal layer with a width that is wider than the width of the first metal layer and the second metal layer. The third metal layer overwraps the second metal layer and the first metal layer.

Abstract: A short-circuit shutdown switch is disclosed having a load current path and a cutting plunger. The load current path has a separating member with a first predetermined cutting zone, a second predetermined cutting zone, and a central section positioned between the first predetermined cutting zone and the second predetermined cutting zone. The cutting plunger is positioned to cut the first predetermined cutting zone and the second predetermined cutting zone.

Abstract: A secondary battery having improved safety includes an electrode assembly, a case, and a cap assembly. The electrode assembly has first and second non-coating portions. The case accommodates the electrode assembly. The cap assembly includes a cap plate coupled to the case, and first and second collector plates. In the secondary battery, the first and second non-coating portions and the first and second collector plates are connected or coupled by first and second lead tabs, respectively, and the first and/or second lead tabs include a fuse portion.

Abstract: An overvoltage protection device comprises at least one overvoltage protection unit having at least one contact lug as well as a mechanical disconnection apparatus that is activated in the event of a thermal overload. The mechanical disconnection apparatus comprises a connection element that can be moved from a closed position to a current-interrupting or voltage-disconnecting position by a slider that is preloaded by spring force.

Abstract: Disclosed is a battery module capable of ensuring safety in use by breaking a bus bar when an overcurrent flows at the battery module. The battery module includes at least one unit cell, a case for accommodating the unit cell, and a bus bar electrically connected to the unit cell, wherein the bus bar includes a first metal plate, a second metal plate spaced apart from the first metal plate, and a metal bridge configured to connect the first metal plate and the second metal plate and having a lower melting point than the metal plate.

Abstract: The present invention relates to an apparatus for preventing overcharge of a battery, and more particularly, to an apparatus for preventing overcharge of a battery, which interrupts power of the battery by inducing a fracture of a busbar to prevent overcharge and to this end, provided is an apparatus for preventing overcharge of a battery, including: a battery cell; an electrode tab extended from both sides of the battery cell and constituted by a negative tab and a positive tab; and a busbar connecting the negative tab and the positive tab, wherein the busbar has a cut part fractured by expansion of the battery cell.

Abstract: An electrical connector is disclosed having a terminal housing and a female type terminal positioned in the terminal housing. The terminal housing has a first terminal housing, and a second terminal housing positioned independent from the first terminal housing. The female type terminal has a first female terminal, second female terminal, and a coupling member. The first female terminal is positioned in the first terminal housing and is electrically connected to a first male terminal. The second female terminal is positioned in the second terminal housing and is electrically connected to a second male terminal. The coupling member connects the first female terminal to the second female terminal.

Abstract: A fuse circuit assembly (1) includes: a linking plate (11) configured to carry a current input from an input part (14), the linking plate (11) having a shape tapered with distance from the input part (14) in a flow direction of the current input from the input part (14); a plurality of fusible members (12) each configured to be fused by a current of a predetermined magnitude flowing through each fusible member (12); and a plurality of terminals (13) connected to the linking plate (11) through the plurality of fusible members (12) from locations of the linking plate (11) positioned at intervals in the flow direction.

Abstract: A fuse unit comprising a resin housing formed by insulator, a circuit body formed by conductor, molded integrally with the resin housing and branching and transferring electricity from a power source side to a load side, and a fusible body provided on the circuit body and fusing at overcurrent to the load side; the circuit body is formed by a block side circuit body connected to the power source side, and a block side terminal body connected to the load side, a block side first connection end to which one side of the fusible body is detachably connected is formed on the block side circuit body, and a block side second connection end to which the other side of the fusible body is detachably connected is formed on the block side terminal body.

Abstract: An electronic control device includes a substrate, a plurality of component-mounted wires disposed on the substrate, a plurality of electronic components mounted on the respective component-mounted wires, a common wire disposed on the substrate and coupled with each of the electronic components, an interrupt wire coupled between one of the component-mounted wires and the common wire, a connection wire via which the interrupt wire is coupled with one of the common wire and the one of the component-mounted wires, and a solder disposed between each of the electronic components and a corresponding one of the component-mounted wires and having a lower melting point than the interrupt wire. The interrupt wire is configured to melt in accordance with heat generated by an overcurrent so as to interrupt a coupling between the one of the component-mounted wires and the common wire.

Abstract: A circuit protecting element includes insulating substrate (11), a pair of surface electrodes (12) provided to both ends of a top face of insulating substrate (11), element (13) bridging the pair of surface electrodes (12) and electrically connected to the pair of surface electrodes (12), base layer (14) formed between element (13) and insulating substrate (11), and insulating layer (15) covering element (13). Base layer (14) is formed of a mixture of diatom earth and silicone resin. The structure discussed above allows stabilizing the blowout characteristics of the circuit protecting element.

Abstract: The present invention provides a complex type fusible link which includes an insulative block base including a plurality of cavities; a conductive connecting plate which is integrally embedded in the insulative block base, a part of the conductive connecting plate being exposed to at least one of the cavities; a plurality of fusible elements each of which is accommodated in corresponding one of the cavities and includes a first end which is connected to the part of the conductive connecting plate and a second end; and a plurality of terminals each of which is integrally embedded in the insulative block base and includes a first end which is connected to the second end of corresponding one of the fusible elements and a second end which is exposed from the insulative block base.

Abstract: A fusible link unit includes a conductive bus-bar having a fusible portion, a resin housing molded integrally with the bus-bar and including a locking projection, and an exposing window portion for exposing the fusible portion, such that the resin cover is capable of being locked to the locking projection so as to cover the fusible portion, where a half-fitting prevention projection is provided at a periphery of the exposing window portion to prevent half-fitting while suppressing an increase in projection costs.

Abstract: A surface mount fuse in one embodiment includes an insulative body, first and second conductive and caps attached to the insulative body, each end cap defining an aperture, and a fuse element extending (i) through the insulative body and the apertures and (ii) along outside surfaces of the first and second conductive end caps in such a way that solder used to attach the first and second conductive end caps to an external medium also fastens the fuse element to the first and second end caps.

Abstract: An electrical fuse structure includes a top conductive pattern having a top fuse and a top fuse extension portion, a bottom conductive pattern having a bottom fuse and a bottom fuse extension portion corresponding to the top fuse extension portion, and a via conductive layer positioned between the top fuse extension portion and the bottom fuse extension portion for electrically connecting the top fuse extension portion and the bottom fuse extension portion.

Abstract: A connecting element for a secondary battery is installed along a path of current flowing through a secondary battery to electrically connect components and includes a first metal plate having a first protrusion formed to protrude at one side end thereof from the center portion with respect to a direction along the thickness of the first metal plate, a second metal plate located spaced apart from the first metal plate with a gap being formed therebetween and having a second protrusion formed to protrude at one side end thereof from the center portion with respect to a direction along the thickness of the second metal plate and configured to face the first protrusion, and an alloy bridge made of alloy material having a melting point lower than those of the first metal plate and the second metal plate and formed to fill the gap.

Abstract: An integrated circuit structure is provided. The integrated circuit structure includes a semiconductor substrate; a dielectric layer over the semiconductor substrate; a metal fuse in the dielectric layer; a dummy pattern adjacent the metal fuse; and a metal line in the dielectric layer, wherein a thickness of the metal fuse is substantially less than a thickness of the metal line.

Abstract: Embodiments of the invention are related to oxidative opening switches and related methods, amongst other things. In an embodiment, the invention includes a switch assembly including a first terminal, a second terminal, and an oxidative switch element in electrical communication with the first terminal and the second terminal, the switch element comprising a conductive material and an oxidizer, the switch element configured to interrupt electrical communication between the first terminal and the second terminal as a result of an oxidation reaction between the conductive material and the oxidizer. In an embodiment, the invention includes a fast opening switch for pulse power applications. Other aspects and embodiments are provided herein.

Abstract: An embodiment is a fuse structure. In accordance with an embodiment, a fuse structure comprises an anode, a cathode, a fuse link interposed between the anode and the cathode, and cathode connectors coupled to the cathode. The cathode connectors are each equivalent to or larger than about two times a minimum feature size of a contact that couples to an active device.

Abstract: The invention relates to a thermal fuse in a circuit structure, particularly a punched grid, having a plurality of circuit areas, having the circuit structure with connections sites (9) and having a fusible element (3), which is electrically and mechanically connected to the connection sites (9) of the circuit structure, a material of the fusible element (3) having a melting point, in order to melt at an ambient temperature greater than the melting point, such that material of the fusible element (3) collects at the connection sites (9) and the electrical connection formed by the fusible element (3) breaks.

Abstract: The fuse assembly contains a first casing member with a first chamber, and a second casing member with a second chamber. An enclosed space is thereby formed by joining the first and second casing members together. A disconnection member is sandwiched between the first and second casing members. The disconnection member contains two electrodes and a fuse element between the two electrodes. Each electrode contains a first lateral section, a vertical section, and a second lateral section, jointly and integrally forming a C-like shape. The electrodes are positioned at two opposing ends of the second casing member and the fuse element is housed in the enclosed space. The enclosed space allows the fuse element to break off completely, thereby avoiding electrical arc and achieving enhanced usage safety.