Bel Fuse Inc designs and manufactures electronic components that protect and connect electronic circuits. Its product portfolio is divided into three categories: magnetic solutions, power solutions & protection, and connectivity solutions. These products are used for the computer, networking, telecommunications, transportation and defense/aerospace, automotive, medical, and consumer electronics industries. Its geographical segments are the United States, Macao, United Kingdom, Slovakia, Germany, Switzerland, and All other foreign countries. Majority of the revenue is derived from United States.