A high-capacity miniature cartridge fuse is provided. A fuse includes a cylindrical housing, a fusible wire, and first and second deep-drawn ferrules fabricated from aluminum alloy. The aluminum is plated with nickel. The ferrule includes a side wall and an end wall. The side wall surrounds the first or second end of the housing, and has a thickness of approximately 0.50 mm or less. The end wall includes a boss extending toward an interior of the housing, and has a thickness greater than the thickness of the side wall.

A high-capacity miniature cartridge fuse is provided. A fuse includes a cylindrical housing, a fusible wire, and first and second deep-drawn ferrules fabricated from aluminum alloy. The aluminum is plated with nickel. The ferrule includes a side wall and an end wall. The side wall surrounds the first or second end of the housing, and has a thickness of approximately 0.50 mm or less. The end wall includes a boss extending toward an interior of the housing, and has a thickness greater than the thickness of the side wall.

Exemplary embodiments of the present disclosure of a fuse may include a fuse body having a first portion and a second portion. The first and second portions may be configured to mate together thereby forming an internal cavity. A first inner termination and a second inner termination may be at least partially attachable to the first and second portions of the fuse body at respective first and second ends. A fusible element may be disposed in the cavity of the fuse body and extendable from the first inner termination at the first end of the fuse body to the second inner termination at the second end of the fuse body. The fusible element may be attachable to the first inner termination at a first connection and the second inner termination at a second connection. The first and second connections may be inspectable when the fuse is in an assembled state.

Fuse assemblies, systems and methods of manufacture include reinforcement materials and arc absorbent materials to provide overcurrent protection for 1500 VDC power systems without enlarging the body of the fuse.

Provided is a chip fuse and a method for producing the same, which is improved to facilitate balanced release of impact and vapor generated upon fusion. The chip fuse includes a fuse body having a pair of facing upper and lower ceramic substrates, a fuse wire support having a vertical through hole in its center and held between the ceramic substrates, and a fuse wire mounted between the two ends of the fuse wire support across the through hole, and a pair of metal caps fitted on the two ends of the fuse body, wherein the upper ceramic substrate and the fuse wire support, and the lower ceramic substrate and the fuse wire support, are respectively adhered together on their mutually facing surfaces to hermetically close the through hole, partially leaving a non-adhered region on the adhered surfaces.

The present invention provides a fuse manufacturing method and a fuse that facilitate an assembling work of the fuse. Disclosed is a method of manufacturing a fuse including a fuse element including a pair of terminal portions and a fusing portion between the terminal portions, a casing for accommodating the fuse element, and a cap for closing openings at both ends of the casing. In this fuse manufacturing method, the fuse element is positioned in the casing such that the terminal portion of the fuse element protrudes from the opening of the casing, and a holding plate for holding the fuse element is inserted between a peripheral portion of the opening of the casing and an abutment piece provided at the terminal portion of the fuse element. Further, in this method, the opening of the casing is closed by the cap so as to cover the holding plate.

Provided herein are protection devices, such as fuses. In some embodiments, a fuse may include a hollow body having first and second ends, each of the first and second ends having an end surface and a side surface extending from the end surface. The fuse may further include a fusible element disposed within a central cavity of the hollow body, the fusible element extending between the first and second ends. The fuse may further include an inner cap formed over at least one of the first and second ends. The inner cap may include a center portion in contact with the fusible element, and a plurality of spring legs extending from the center portion, wherein the plurality of spring legs is in contact with the side surface of the first and/or second ends. The fuse may further include endcaps surrounding the first and second ends.

Provided herein are protection devices, such as fuses. In some embodiments, a fuse may include a hollow body having first and second ends, each of the first and second ends having an end surface and a side surface extending from the end surface. The fuse may further include a fusible element disposed within a central cavity of the hollow body, the fusible element extending between the first and second ends. The fuse may further include an inner cap formed over at least one of the first and second ends. The inner cap may include a center portion in contact with the fusible element, and a plurality of spring legs extending from the center portion, wherein the plurality of spring legs is in contact with the side surface of the first and/or second ends. The fuse may further include endcaps surrounding the first and second ends.

Provided herein are protection devices, such as fuses, including a coiled fusible element. In some embodiments, a fuse includes a body including a center portion extending between a first end and a second end, and a first endcap surrounding the first end and a second endcap surrounding the second end. The fuse may further include a fusible element disposed within a central cavity of the body, wherein the fusible element includes a first coil disposed within the first endcap and a second coil disposed within the second endcap. The fusible element further includes a central wire extending diagonally between the first and second coils.

A fuse component (1) has a fuse element (2). The fuse element (2) is located inside an isolating body (3) and the fuse element (2) extends between the two end faces of the isolating body (3). Each of the end faces of the isolating body (3) are closed by electrical conductive end caps (4) and the end caps (4) are in electrical contact with the fuse element (2). The isolating body (3) includes at least two shells (5a, 5b); at least in the region of the end caps (4), and the shells (5a, 5b) in the assembled state form a channel (6) to receive the fuse element (2).