An improved surface mount electrical fuse including a first fuse terminal; a second fuse terminal spaced apart from the first fuse terminal; and a fuse element formed from a conductive material, the fuse element having a support bridge for supporting the fuse element, the fuse element electrically connecting the first fuse terminal and the second fuse terminal.

An overcurrent protection element includes: chip fuse; a printed circuit board configured by mounting chip fuse on a surface thereof; external connection part configured by being coupled to the printed circuit board; and insulating layer configured by being provided on the printed circuit board. The printed circuit board is provided with conductive parts on a surface of an insulating substrate. External connection part is electrically connected to the conductive parts of the printed circuit board. Chip fuse is electrically connected to the conductive parts, and chip fuse is connected to external connection part via the conductive parts.

A fuse module including a mounting block formed of an electrically insulating material, the mounting block including a base portion and a wall portion disposed in a perpendicular relationship, the fuse module further including a fuse plate including an electrically conductive bus bar disposed on a bottom of the base portion, a fusible element electrically connected to the bus bar and disposed adjacent a front of the wall portion, and a fuse terminal electrically connected to the fusible element and disposed on a top of the base portion, the fuse module further including an electrically conductive terminal post extending from the top of the base portion and through the fuse terminal for facilitating connection to an electrical component.

A fuse module including a mounting block formed of an electrically insulating material, the mounting block including a base portion and a wall portion disposed in a perpendicular relationship, the fuse module further including a fuse plate including an electrically conductive bus bar disposed on a bottom of the base portion, a fusible element electrically connected to the bus bar and disposed adjacent a front of the wall portion, and a fuse terminal electrically connected to the fusible element and disposed on a top of the base portion, the fuse module further including an electrically conductive terminal post extending from the top of the base portion and through the fuse terminal for facilitating connection to an electrical component.

A protection element (10) of the present invention has a substrate (11), a first fuse element (12) and a second fuse element (13) connected in series on the substrate (11), a heater (14) connected between the first fuse element (12) and the second fuse element (13), a third upper electrode part (17) connected between the first fuse element (12) and the second fuse element (13) and connected to the heater (14) in series, a first conduction part (18) connected to the third upper electrode part (17) and having a lower resistance value than the heater (14), and a third lower electrode part (19) connected to the first conduction part (18) and configured to be connectable to an external protection circuit.

A protection element (10) of the present invention has a substrate (11), a first fuse element (12) and a second fuse element (13) connected in series on the substrate (11), a heater (14) connected between the first fuse element (12) and the second fuse element (13), a third upper electrode part (17) connected between the first fuse element (12) and the second fuse element (13) and connected to the heater (14) in series, a first conduction part (18) connected to the third upper electrode part (17) and having a lower resistance value than the heater (14), and a third lower electrode part (19) connected to the first conduction part (18) and configured to be connectable to an external protection circuit.

A high voltage fuse adapter system and method. A fuse adapter system includes an indicator-end adapter configured to circumferentially enclose an indicator-end terminal of a high voltage IEC rated fuse, including a hollow portion having an inner diameter that surrounds the indicator-end terminal, the hollow portion including at least one axially extending slot compressible around the indicator-end terminal, and an indicator portion, a piston and needle enclosed within the indicator portion, the piston and needle coupled to a striker of the high voltage IEC-rated fuse such that upon extension of the striker, the piston at least partially actuates the needle outside of the indicator-end adapter, a non-indicator-end adapter configured to circumferentially enclose a non-indicator-end terminal of the high voltage fuse, and a pair of end caps enclosing the indicator-end adapter and the non-indicator end adapter to form an adapted fuse configured to fit in an UL-style fuse mounting.

A high voltage fuse adapter system and method. A fuse adapter system includes an indicator-end adapter configured to circumferentially enclose an indicator-end terminal of a high voltage IEC rated fuse, including a hollow portion having an inner diameter that surrounds the indicator-end terminal, the hollow portion including at least one axially extending slot compressible around the indicator-end terminal, and an indicator portion, a piston and needle enclosed within the indicator portion, the piston and needle coupled to a striker of the high voltage IEC-rated fuse such that upon extension of the striker, the piston at least partially actuates the needle outside of the indicator-end adapter, a non-indicator-end adapter configured to circumferentially enclose a non-indicator-end terminal of the high voltage fuse, and a pair of end caps enclosing the indicator-end adapter and the non-indicator end adapter to form an adapted fuse configured to fit in an UL-style fuse mounting.

A fuse module including a mounting block formed of an electrically insulating material, the mounting block including a base portion and a wall portion disposed in a perpendicular relationship, the fuse module further including a fuse plate including an electrically conductive bus bar disposed on a bottom of the base portion, a fusible element electrically connected to the bus bar and disposed adjacent a front of the wall portion, and a fuse terminal electrically connected to the fusible element and disposed on a top of the base portion, the fuse module further including an electrically conductive terminal post extending from the top of the base portion and through the fuse terminal for facilitating connection to an electrical component.

A fuse module including a mounting block formed of an electrically insulating material, the mounting block including a base portion and a wall portion disposed in a perpendicular relationship, the fuse module further including a fuse plate including an electrically conductive bus bar disposed on a bottom of the base portion, a fusible element electrically connected to the bus bar and disposed adjacent a front of the wall portion, and a fuse terminal electrically connected to the fusible element and disposed on a top of the base portion, the fuse module further including an electrically conductive terminal post extending from the top of the base portion and through the fuse terminal for facilitating connection to an electrical component.