US 12,278,075 B2
Fuse with arc suppressing mastic material
Martin G. Pineda, Fremont, CA (US); Marco Doms, Chicago, IL (US); Sergio Fuentes Godinez, Newark, NJ (US); Toshikazu Yamaoka, Chicago, IL (US); Satoshi Sakamoto, Chicago, IL (US); Hajime Takahashi, Chicago, IL (US); Keiichiro Nomura, Chicago, IL (US); and Werner Johler, Shanghai (CN)
Assigned to Littelfuse, Inc., Chicago, IL (US)
Filed by Littelfuse, Inc., Chicago, IL (US)
Filed on Nov. 17, 2023, as Appl. No. 18/512,741.
Claims priority of provisional application 63/427,252, filed on Nov. 22, 2022.
Prior Publication US 2024/0170244 A1, May 23, 2024
Int. Cl. H01H 85/38 (2006.01); H01H 85/06 (2006.01); H01H 85/08 (2006.01)
CPC H01H 85/38 (2013.01) [H01H 85/06 (2013.01); H01H 85/08 (2013.01); H01H 2085/388 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A fuse comprising:
a housing;
a fusible element disposed within the housing;
first and second terminals extending from opposite ends of the fusible element and out of the housing; and
a quantity of arc suppressing material disposed on the fusible element, wherein the arc suppressing material is formed of a polyamide hotmelt adhesive mixed with a flame retardant.