Bel Fuse HBB512-A Fuse

Bel Fuse HBB512-A is a Bel Power Solutions fuse (model HBB512-A) that DigiKey lists as obsolete and no longer manufactured. The HBB512 family is referenced in Bel Power Solutions literature and IEC CB certificates, which specify five current ratings for the related HBB512 configuration: 2.0 A, 2.0 A, 1.0 A, 1.0 A, and 1.0 A, across standard AC input voltages of 100/120/220/230/240 VAC at 50/60 Hz. Other catalog entries identify HBB512-A as a variant of the HBB512 line used in Bel Power Solutions’ AC/DC power-conversion products, confirming its role as a protective or protective-like component within those assemblies. Because this part is discontinued, buyers typically rely on legacy Bel Fuse/Bel Power Solutions documentation or reputable resellers to evaluate compatibility or locate suitable substitutes for legacy equipment.