United States securities and exchange commission logo June 11, 2020 Daniel Bernstein President, Chief Executive Officer and Director Bel Fuse Inc. 206 Van Vorst Street Jersey City, New Jersey 07302 Re: Bel Fuse Inc. Form 10-K for the Fiscal Year Ended December 31, 2019 Filed March 25, 2020 File No. 001-11676 Dear Mr. Bernstein: We have completed our review of your filings. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Manufacturing