摘要:
A fuse module including a mounting block having a through-hole extending therethrough, a fuse including an upper portion disposed on a top of the mounting block and having a through-hole, a lower portion disposed on a bottom of the mounting block and having a through-hole, and a fusible element disposed adjacent a sidewall of the mounting block and connecting the upper portion to the lower portion, the fuse module further including a housing having a main body portion encasing the mounting block and the fuse, the main body portion having apertures in top and bottom surfaces thereof aligned with the through-hole of the mounting block, and a cap portion connected to the main body portion and disposed over the fusible element, the cap portion having surface features extending from an interior surface thereof for absorbing energy upon occurrence of an overcurrent condition in the fuse.
摘要:
A high breaking capacity printed circuit fuse comprising: a multi-layer printed circuit board 100 comprising: a first external layer 101a present at a first side of a middle layer 101b and a second external layer 101d present opposite the first external layer with respect to the middle layer; a multi-layer circuit present on the multi-layer printed circuit board 10, the multi-layer circuit forming a conductive path 102-105, which passes between said layers 101a-d; whereas said conductive path comprises: a first end 102 located on the outer side of said middle layer; a thinning 103, at the level of the first end 102 of the conductive path, which is configured to act as a fusible link; a via 104 configured to pass, from said thinning 103 via all layers 101a-d, to the external side of the second external layer 101d; a second end 105, connected at the end of said via 104, located on the external side of the second external layer 101d of the multi-layer printed circuit board; whereas a non-flammable agent 106 is present on the external side of at least the first external layer 101a, covering an outlet of said via 104.
摘要:
A fuse has a pair of lead terminals disposed on a substrate, an intermediate layers for welding formed on the surface of at least one of the lead terminals, and a fuse element. The fuse element is welded to the pair of lead terminals through the intermediate layer so as to span the same. Further, the intermediate layer is formed on at least one of the lead terminals except a face thereof opposing each other. Owing to this configuration, after the fuse has melted down, the melted fuse element is prevented from being spread out into the space between the opposing faces of the lead terminals and insulation therebetween is secured.