Abstract: An electronic device includes an input, an output, a metal fuse, a resistor, a heat control transistor, and a heat controller. The metal fuse is coupled between the input and the output. The resistor is coupled between the metal fuse and the heat control transistor. The heat control transistor is coupled between the resistor and a reference terminal of the electronic device, and the heat controller is configured to control a heater current of the heat control transistor.

Abstract: A battery pack includes a battery cell and a bus bar electrically connected to the battery cell, wherein the bus bar includes a rupture portion configured to melt due to electric resistance heat generated by overcurrent and thus to rupture, the rupture portion having a plurality of through-holes therein.

Abstract: An airtight surface mount fuse with a cavity has a housing, a conductive fuse, a cover and an encapsulant. The housing has an opening and an airtight inner space. The fusible element has a part disposed inside of the airtight inner space and another part exposed from the opening. The cover is configured to fit into the opening. The encapsulant encapsulates the housing, the cover and a segment of the exposing part of the fusible element. The other segment of the fusible element is exposed from the encapsulant. The inner space of the housing is encapsulated by the encapsulant and becomes airtight. The fusible element is disposed inside of the airtight inner space to prevent the hazard occurring from arc spark interacting with flammable gases when a fusible body of the fusible element is fused. It also ensures the fusible body is affected by the external environment.

Abstract: A battery pack including a plurality of battery cells, each battery cell having a positive electrode and a negative electrode on a top surface of the battery cell, the battery cells being arranged in a first direction and in a second direction crossing the first direction; a protective circuit module, the protective circuit module including a printed circuit board on the battery cells, and a plurality of conductive tabs on the printed circuit board and electrically connecting the battery cells; and a case accommodating the battery cells and the protective circuit module, wherein each of the conductive tabs include a substrate connector connected to the printed circuit board, a cell connector electrically connected to a battery cell, and a fusible link extending from the substrate connector and having a width that is smaller than that of the substrate connector.

Abstract: A battery pack includes a plurality of battery modules, each having at least one unit cell, a case for accommodating the unit cell and a bus bar electrically connected to the unit cell, and a connecting bar for connecting battery modules adjacent to each other among the plurality of battery modules, wherein at least one of the connecting bars 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. In this configuration, if an overcurrent flows at the battery pack, the connecting bar is easily broken, thereby ensuring safety of the battery pack in use.

Abstract: A fuse comprises two electric contacts with a contact width, a fuse element disposed between two opposed fuse ends and comprising a first fuse having a minimum-section part with a first width and a first section. The fuse element further comprises at least one second fuse disposed between the first fuse and one of said two fuse ends. The second fuse comprises a narrowed part with a second width smaller than the first width and the contact width and with a second section ranging from 20% to 50% of the first section.

Abstract: A rechargeable battery includes a case, an electrode assembly in the case, a current collecting member electrically connected to the electrode assembly, a fuse part in the current collecting member, and an elastic member adjacent to the fuse part. The elastic member is configured to provide an elastic force to the fuse part.

Abstract: A secondary battery includes an electrode assembly, a case configured to accommodate the electrode assembly, a cap plate configured to seal the case, the cap plate including openings, first and second terminals electrically connected to the electrode assembly and inserted through respective openings of the cap plate, an insulating member between the cap plate and at least one of the first and second terminals, the insulating member including a penetration hole, and a fuse in the penetration hole of the insulating member, the fuse electrically connecting the cap plate and the first terminal.

Abstract: The present invention describes a component for a secondary battery and a manufacturing method thereof, and a secondary battery manufactured by using the component. The component for a secondary battery according to the present invention comprises a metal plate in which at least one recess line is formed; and a soldering pattern joined in the recess line. According to the present invention, when an over-current flows through the component for a secondary battery, breakage occurs at the portion where soldering pattern is joined in the recess line, thereby efficiently interrupting the flow of an over-current.

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: Some embodiments include a fuse having a tungsten-containing structure directly contacting an electrically conductive structure. The electrically conductive structure may be a titanium-containing structure. An interface between the tungsten-containing structure and the electrically conductive structure is configured to rupture when current through the interface exceeds a predetermined level. Some embodiments include a method of forming and using a fuse. The fuse is formed to have a tungsten-containing structure directly contacting an electrically conductive structure. An interface between the tungsten-containing structure and the electrically conductive structure is configured to rupture when current through the interface exceeds a predetermined level. Current exceeding the predetermined level is passed through the interface to rupture the interface.

Abstract: A protective device includes a substrate, two first electrodes, a low-melting point metal layer and an assisting layer. The first electrodes are respectively arranged at two opposite sides of the substrate. The low melting point metal layer is arranged over the two first electrodes. The assisting layer is formed on the low melting point metal layer. The liquidus temperature of the assisting layer is below the liquidus temperature of the low melting point metal layer, and the liquidus temperature of the assisting layer is not below a predetermined temperature which is below the maximum working temperature of reflow soldering process by 25 degrees.

Abstract: A fuse comprises two electric contacts with a contact width, a fuse element disposed between two opposed fuse ends and comprising a first fuse having a minimum-section part with a first width and a first section. The fuse element further comprises at least one second fuse disposed between the first fuse and one of said two fuse ends. The second fuse comprises a narrowed part with a second width smaller than the first width and the contact width and with a second section ranging from 20% to 50% of the first section.

Abstract: A compact, high breaking capacity fuse that includes a top insulative layer, at least one intermediate insulative layer, and a bottom insulative layer arranged in a vertically stacked configuration. The at least one intermediate layer may have a hole formed therethrough that defines a chamber having arc suppression material disposed therein. A first conductive terminal may be formed on a first end of the fuse and a second conductive terminal may be formed on a second end of the fuse. At least one fusible element may connect the first terminal to the second terminal, thus providing an electrically conductive pathway therebetween. A portion of the at least one fusible element may pass through the air gap defined by the hole in the at least one intermediate insulative layer.

Abstract: A compact, high breaking capacity fuse that includes a top insulative layer, at least one intermediate insulative layer, and a bottom insulative layer arranged in a vertically stacked configuration. The at least one intermediate layer may have a hole formed therethrough that defines an air gap within the fuse. A first conductive terminal may be formed on a first end of the fuse and a second conductive terminal may be formed on a second end of the fuse. At least one fusible element may connect the first terminal to the second terminal, thus providing an electrically conductive pathway therebetween. A portion of the at least one fusible element may pass through the air gap defined by the hole in the at least one intermediate insulative layer.

Abstract: A fuse component (36) configured to provide overcurrent protection for an electric motor (20) comprises a spiral (41) of a plurality of coaxial wire loops (44) and an outer insulating sleeve (39) surrounding at least a portion of the spiral (41). The overcurrent threshold of the fuse component (36) may be adjusted by changing the number of loops in the spiral (41) or the cross-section area of the wire in the spiral (41). The fuse component (41) may also function as an inductor (35) and/or connected to a speed adjustable resistor.

Abstract: A fusible link unit includes a fuse busbar and a housing. The fuse busbar includes a first busbar having a first input connecting portion; a second busbar having a second input connecting portion; and a fusible element provided between the first busbar and the second busbar. The housing is provided with the fuse busbar. The fusible element is configured to melt down when a current of a predetermined value is conducted therethrough. The first input connecting portion and the second input connecting portion are formed into the same shape. The first and second input connecting portions are passed through inserting holes, which are provided on both end portions of the housing, and are projected outwards. The housing is formed symmetrical transversely.

Abstract: A fused conductor includes a first conductor portion, a second conductor portion, and a fuse element in electrical communication with the first and second conductor portions via at least one dual metal wire, the fuse element protected by a glass body bonded chemically to the dual metal wire.

Abstract: The invention relates generally to a fuse device of a semiconductor device, and more particularly, to an electrical fuse device of a semiconductor device. Embodiments of the invention provide a fuse device that is capable of reducing programming error caused by non-uniform current densities in a fuse link. In one respect, there is provided an electrical fuse device that includes: an anode; a fuse link coupled to the anode on a first side of the fuse link; a cathode coupled to the fuse link on a second side of the fuse link; a first cathode contact coupled to the cathode; and a first anode contact coupled to the anode, at least one of the first cathode contact and the first anode contact being disposed across a virtual extending surface of the fuse link.

Abstract: A fuse element includes a first conductive part and a second conductive part, and a fusible body which electrically connect the first conductive part and the second conductive part, and fuses when an overcurrent flows itself. The fusible body is formed in a plate shape. The fusible body has a first connection portion, a second connection portion and a fusing member, both ends of the fusing member being connected to the first connection portion and the second connection portion respectively. The fusing member is displaced from the first connection portion and the second connection portion in a first direction being intersect with a second direction in which the first and second connection portions are arranged.

Abstract: A fuse includes: a first connecting terminal to be connected to a power source; a second connecting terminal to be connected to a load; a third connecting terminal to be connected to a relay control circuit; a fuse element having one end to be connected to the first connecting terminal; and a semiconductor relay directly mounted on the second connecting terminal. The semiconductor relay is a relay circuit switching between conducting and non-conducting states of a connection between its own drain and source electrodes, according to control signals inputted to the own gate electrode. The drain, source and gate electrodes are electrically connected to the other end of the fuse element, the second connecting terminal and the third connecting terminal, respectively. The first to third connecting terminals, the fuse element and the semiconductor relay are formed in an integral structure with a mold resin sealing portion.

Abstract: A fusible link includes a current collector element, a battery cell conductor pad, and at least one fusible conductor connecting the current collector element and the battery cell conductor pad. The current collector element can be a current collector conductor pad, a current collector conductor pad and a current collector plate, or a fuse sheet. A battery cell has an anode electrode and a cathode electrode, a separate fusible link is coupled to at least one of the battery cell electrodes. The battery cell conductor pad is electrically and mechanically attached to each battery cell electrode. The fusible conductor opens under excessive current flow, and has sufficient service loop length to allow relative in-plane and out-of-plane motions between the battery cell electrode and the current collector element. The fusible links can be applied to each of a plurality of battery cells included in a battery pack.

Abstract: A fuse element comprising a pair of female terminal portions into which the other pair of terminals is plugged, and which are disposed in parallel, and a blowout portion for coupling the pair of female terminal portions in a direction perpendicular to the direction in which the other pair of terminals is plugged. A slow blow fuse comprising the fuse element accommodated in a housing made of an insulating resin and is provided with the insertion ports in which the other pair of terminals is plugged into the pair of the female terminal portions in the opposed surfaces of the housing.

Abstract: A fuse device for fitting over and around a corner of a battery housing has a top wall and two side walls extending downward from the top wall. The side walls are joined at a corner. A battery terminal for mechanical and electrical attachment to a battery post is provided in the top wall. Electrical connectors for connection to terminals on the ends of electrical cables are mounted on the side walls of the fuse device. The electrical connectors are linked through the walls to the battery terminal by fuses. Ribs extending down the side walls from the top wall pass close by each electrical connector to strengthen the structure of the fuse device and prevent rotation of the terminals on the ends of the cables as they are secured to the fuse device. Recessed strengthening ribs in the top wall extend radially outward from the battery terminal.

Abstract: Example embodiments relate to an electrical device, for example, to an electrical fuse device that includes a fuse link for linking a cathode and anode. An electrical device may include a cathode, an anode, and a fuse link. The fuse link may link the cathode and the anode. The fuse link may include a multi-metal layer structure. The fuse link may include a first metal layer including a first resistance, and a second metal layer stacked on the first metal layer and including a second resistance. The first resistance may be different from the second resistance. The fuse link may include a weak point as a region at which electrical blowing is performed easier than other regions of the fuse link.

Abstract: An electronic fuse for an integrated circuit and a method of fabrication thereof are presented. The electronic fuse has a first terminal portion and a second terminal portion interconnected by a fuse element. The fuse element has a convex upper surface and a lower surface with a radius of curvature at a smallest surface area of curvature less than or equal to 100 nanometers. Fabricating the electronic fuse includes forming an at least partially freestanding dielectric spacer above a supporting structure, and then conformably forming the fuse element of the fuse over at least a portion of the freestanding dielectric spacer, with the fuse element characterized as noted above. The dielectric spacer may remain in place as a thermally insulating layer underneath the fuse element, or may be removed to form a void underneath the fuse element.

Abstract: An electronic fuse for an integrated circuit and a method of fabrication thereof are presented. The electronic fuse has a first terminal portion and a second terminal portion interconnected by a fuse element. The fuse element has a convex upper surface and a lower surface with a radius of curvature at a smallest surface area of curvature less than or equal to 100 nanometers. Fabricating the electronic fuse includes forming an at least partially freestanding dielectric spacer above a supporting structure, and then conformably forming the fuse element of the fuse over at least a portion of the freestanding dielectric spacer, with the fuse element characterized as noted above. The dielectric spacer may remain in place as a thermally insulating layer underneath the fuse element, or may be removed to form a void underneath the fuse element.

Abstract: A cord type thermal fuse, comprising a fuse core produced by winding a conductor meltable at a predetermined temperature on an insulating core member continuous in the length direction, and an insulating cover covering the outer periphery of the fuse core, wherein the conductor can be cut by expanding the insulating core member at a predetermined temperature and/or by contracting the insulating cover at the predetermined temperature.

Abstract: A fusible link unit is provided with a first alternator terminal including a screw hole configured to be connected with an opposite terminal with a screw, a second alternator terminal including a connector configured to be connected with an opposite connector, a battery terminal one or more load terminals respectively including one or more fuse links, wherein the first alternator terminal, the second alternator terminal, the battery terminal, the load terminals and the fuse links are mutually connected and unitized in a fuse unit.

Abstract: A fuse structure is described. The fuse structure includes a first region adapted to be coupled to a voltage source, a second region adapted to be coupled to a ground, and a current flow region disposed between the first and second regions. The current flow region has a configuration that causes a void to be opened at a point of localized heating due to current crowding within the current flow region and that causes the void to propagate across the current flow region.

Abstract: A fuse structure is described. The fuse structure includes a first region adapted to be coupled to a voltage source, a second region adapted to be coupled to a ground, and a current flow region disposed between the first and second regions. The current flow region has a configuration that causes a void to be opened at a point of localized heating due to current crowding within the current flow region and that causes the void to propagate across the current flow region.

Abstract: A fuse element is formed integrally from a conductive metal plate such that two narrow portions are formed side by side between a pair of electrical connection portions. The narrow portions each assume an arch shape and constitute a parallel conductive path. Arch-shaped convex portions are arranged so as to oppose to each other with a predetermined gap therebetween, thus constituting a fusing portion.

Abstract: A novel fuse structure. An optimal position of laser spot is defined above a substrate. A first conductive layer is formed on part of the substrate. A dielectric layer is formed on the substrate and the first conductive layer. A second conductive layer comprising the position of laser spot is formed on part of the dielectric layer. A third conductive layer is formed on the part of the dielectric layer placed above the first conductive layer, wherein the third conductive layer is insulated from the first and second conductive layers. At least one conductive plug penetrates the dielectric layer, to electrically connect the first conductive layer and the second conductive layer. Thus, the third conductive layer serves as a floating layer to prevent the first conductive layer from being damaged in the laser blow process.

Abstract: A fuse structure is described. The fuse structure includes a first region adapted to be coupled to a voltage source, a second region adapted to be coupled to a ground, and a current flow region disposed between the first and second regions. The current flow region has a configuration that causes a void to be opened at a point of localized heating due to current crowding within the current flow region and that causes the void to propagate across the current flow region.

Abstract: Quantity of flux coated on fusible alloy of a thermal fuse disclosed can be inspected accurately by an image processing method. The thermal fuse comprises: (a) first insulation film 11 coupled with a pair of metal terminals 12; (b) fusible alloy 13 coupled between ends of the metal terminals 12, being placed above first insulation film 11; (c) flux 14 coated on fusible alloy 13; and (d) second insulation film 15 disposed on first insulation film 11 so that an internal space is formed, being placed above fusible alloy 13, wherein at least either of first insulation film 11 or second insulation film 15 is transparent or translucent, and flux 14 has the Gardner color scale from 4 to 16.

Abstract: A novel fuse structure. An optimal position of laser spot is defined above a substrate. A first conductive layer is formed on part of the substrate. A dielectric layer is formed on the substrate and the first conductive layer. A second conductive layer comprising the position of laser spot is formed on part of the dielectric layer. A third conductive layer is formed on the part of the dielectric layer placed above the first conductive layer, wherein the third conductive layer is insulated from the first and second conductive layers. At least one conductive plug penetrates the dielectric layer, to electrically connect the first conductive layer and the second conductive layer. Thus, the third conductive layer serves as a floating layer to prevent the first conductive layer from being damaged in the laser blow process.

Abstract: A fuse circuit (11) having a plurality of terminals (22, 23) provided on a common joint plate (21) and a fuse circuit (11′) having a plurality of terminals (22′, 23′) provided on a common joint plate (21′) are incorporated into a housing (12), thereby constituting a fuse link assembly (10). The plurality of fuse circuits (11, 11′) are provided with circuit connection portions (27, 27′) which share a power input portion. The fuse circuits (11, 11′) are incorporated into the housing (12) in parallel. As a result, the number of circuits is increased, by means of only enlargement of widthwise direction Y which is easy to increase while enlargement of longitudinal direction X stemming from packaging of circuits is minimized.

Abstract: The invention relates to an electrical fuse for rotary current generators, having a rectifier assembly (14) for supplying a DC network, in particular in motor vehicles. To achieve simple, cost-effective and rapid-response fuse performance in the event of an overload, it is provided that a fuse element (21) be disposed in a line strand, carrying all the generator current, between the rectifier assembly (14) and a DC connection terminal (22) of the generator.

Abstract: The present invention provides a device forming a controlled-release mechanism, the device comprising: two structural elements suitable for relative movement; and locking means suitable initially for preventing relative movement between the two structural elements, and in which the locking means comprises in combination: at least one set of complementary shape means of helical configuration associated with respective ones of the two structural elements; and a low-melting point material disposed at least in part at an interface between two parts connected respectively to the two structural elements to prevent the locking means being released, and consequently to prevent the structural elements being released, prior to said material melting.

Abstract: The invention is a blade fuse having a housing section and a fusible element. The housing includes an insulating portion or tab extending from the housing section, and disposed between opposite ends of the fusible element. One aspect of the invention is a blade fuse where the insulating tab is integral with the housing. The insulating tab may be integral with the head portion of the housing, and the insulating tab may extend downwardly from the head portion. In yet another embodiment, the invention is directed to a one-piece, metallic element for a blade fuse. The blade fuse element has a fusible link and a pair of terminals. The fusible element extends above, rather than between, the terminals.

Abstract: A power providing device that has a battery, a protective housing a terminal cap and a fuse.

Abstract: A thick film circuit on an insulating substrate includes a thermal fuse. The circuit includes a conductive strip, which may be sufficiently resistive to comprise the resistor of an automotive fan motor controller, which is made of a material dissolved by a solder which melts at a predetermined temperature. When an abnormal event occurs which raises the temperature of the circuit, the solder melts and dissolves the underlying conductive strip. The solder and melted material of the strip then coalesce into one or more droplets thereby breaking the circuit.

Abstract: The invention is to offer a fuse and a fuse production method excellent in cost down. A fuse having an electrically conductive fuse element. The fuse element has a pair of terminal connection portions and a fusible member for electrically connecting the terminal connection portions each other and for being fused and broken when an over electric current flows. At least a part of the fusible portion is formed by spouting or dropping the melting metal drops.

Abstract: A protective element contains a heat-generating member and a low melting metal member on a substrate, in which the low melting metal member is molten by the heat generated by the heat-generating member and flows onto electrodes, which causes the low melting metal member to blow out, Formula (1) below is satisfied: (cross-sectional area of the low melting metal member)/(surface area of the blowout-effective electrode)≦0.15  (1) Alternatively, Formula (2) below is satisfied: 2.5≦(inter-electrode distance)/(cross-sectional area of the low melting metal member)≦30  (2) wheren the inter-electrode distance is defined as the distance between two electrodes, among the low melting metal member electrodes onto which the molten low melting metal member flows, which are adjacent to each other with the low melting metal member interposed therebetween.

Abstract: A fuse device is provided with a plurality of separate fuse main bodies in which fuse terminals and fuse terminals are formed at the opposite ends of fusing elements, and a plurality of connection terminals which are members separate from the fuse main bodies. A fuse circuit in which the fusing elements are provided between the connection terminals is formed by directly connecting the fuse terminals of the respective fuse main bodies with the connection terminals. The fusing characteristics of the fusing elements and the strength of the connection terminals can be adjusted without influencing each other.

Abstract: A fuse 1 includes a pair of terminals 2, a housing 4 and a fusible body 5. The one ends 3a of the terminals 2 are housed within the housing 4. The housing 4 includes a pair of end walls 12a, 12b, a pair of side walls 13a, 13b, a first partition wall 21 and a pair of second partition walls 22. The inner faces 15a, 15b of the pair of end walls 12a, 12b are opposite to each other in a direction orthogonal to the direction of arranging the terminals in parallel and extend along the end faces of the terminals. The inner faces 16a, 16b of the side walls 13a, 13b are opposite to each other in a direction of arranging the terminals in parallel. The first partition wall 21 is located between the pair of terminals 2. The pair of second partition walls 22 are located between the first partition wall and the inner faces 16a, 16b, respectively.

Abstract: A dual element fuse includes a first conductive fuse coupler portion and an overload fusing assembly coupled to the first conductive fuse coupler portion. The overload fusing assembly includes a barrel having a flange at one end thereof, a trigger received within said barrel and positioned in a pre-operated position by a fusing alloy, and a conductive coil surrounding the barrel predominately in an area adjacent the flange. The conductive coil is connected between the first conductive fuse coupler portion and the flange, thereby concentrating heat generated in the conductive coil toward the flange.

Abstract: A high current fuse includes a housing with electrically-conductive caps attached at opposite ends. At least two winding supports are positioned in the housing, extending between the caps, and spaced from one another. Each winding support is wound by at least one electrically-conductive element. These elements are electrically connected to the caps.

Abstract: A fuse 1 includes a pair of terminals 2, housing 4 and a fusible body 5. The one ends 3a of the terminals are housed in a housing chamber 20 of the housing 4. The housing 4 has a first inner wall 12a, a second inner wall 12b, a first partition wall 21 and second partition walls 22. The end face 8 of the one end 3a of each of the terminals 2 is located apart from the inner face 12a of the first end wall 21. The fusible body 5 couples the terminals with each other. Both ends of the fusible body 5 are mechanically connected to the end faces 8. The first partition wall 21 extends from the inner face 15a of the first end wall 12a toward the inner face 15b of the second inner wall 12b. The second partition walls 22 extend from the inner face 15b of the second inner wall 12b toward the inner face 15a of the first inner wall 12a.

Abstract: A presser spring (43) is separately formed with a fuse body (33), and therefore may be formed of a material having a high spring characteristic. The presser spring (43) is attached to a portion of peripheral wall portions (41b) to which a back plate portion (41a) is opposed, so that a mating tab terminal (39), inserted in an engagement space (45), is pressed against the back plate portion (41a) by the presser spring (43).