SEC Form SD filed by Bel Fuse Inc.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM SD

Specialized Disclosure Report

BEL FUSE INC.

(Exact name of registrant as specified in its charter)

Check the appropriate box to indicate the rule pursuant to which this Form is being submitted, and provide the period to which the information in this Form applies:

Section 1 – Conflict Minerals Disclosure

Item 1.01 Conflict Minerals Disclosure and Report

Conflict Minerals Disclosure

The Conflict Minerals Report for the calendar year ended December 31, 2024 is filed herewith as Exhibit 1.01, and is publicly available at www.belfuse.com. Information on the Company's website is not and should not be considered part of, nor is incorporated by reference into, this Form SD and/or the Conflict Minerals Report nor deemed filed with the U.S. Securities and Exchange Commission.

Item 1.02 Exhibit

As specified in Section 3, Item 3.01 of this Form SD, the Company is hereby filing its Conflict Minerals Report as Exhibit 1.01 to this report.

Section 3 – Exhibits

Item 3.01 Exhibits

The following exhibit is submitted as part of this report.

Exhibit No.     Description

Exhibit 1.01     Conflict Minerals Report of Bel Fuse Inc.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the duly authorized undersigned.