Solderless surface mount fuse
AssigneeLittelfuse, Inc.
InventorsConrado de Leon, Gordon T. Dietsch, Edgardo Olan, John Emannuel Semana, John Song, Stephen J. Whitney
Life of this patent
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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.
Claims27
A surface mount fuse comprising:
- an insulative body;
- first and second conductive end 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.
A surface mount fuse comprising;
- a insulative body;
- first and second inner conductive end caps connected to the insulative body;
- first and second outer conductive end caps mated with the first and second inner conductive end caps, respectively;
- and
- a fuse element extending within the housing, crimped at a first end between the mating first inner and outer conductive end caps, and crimped at a second end between the mating second inner and outer conductive end caps.
A surface mount fuse comprising:
- a insulative housing;
- first and second conductive end caps attached to the insulative housing, the first conductive end cap defining a first aperture, the second conductive end cap defining a second aperture;
- and
- a fuse element fitted within the housing and having first and second ends abutting inside surfaces of the first and second conductive end caps so as to at least substantially cover the first and second apertures, such that solder used to solder the first and second conductive end caps to an external medium also solders the first and second fuse element ends to the first and second end caps, respectively.
A method for a surface mount fuse having a housing and first and second end caps, the method comprising:
- placing the surface mount fuse onto a printed circuit board (“PCB”) such that the first and second end caps are aligned with first and second contacts located on the PCB;
- and
- soldering the first and second end caps to the first and second contacts such that (i) the first and second end caps are secured to the first and second contacts and (ii) a fuse element located within the housing is secured for the first time with solder to the first and second end caps.
Dependencies are inferred from the claim text.