EXHIBIT 22.1 Subsidiaries of the Registrant - ------------------------------ Jurisdiction of Name Incorporation - ---- ------------- Bel Fuse California Inc. California Bel Fuse America Inc. Delaware Bel Fuse Delaware Inc. Delaware Bel Ventures Inc. Delaware Bel Power Products Inc. Delaware Bel Transformer Inc. Delaware Bel Connector Inc. Delaware Signal Dominicana, S.A. Dominican Republic Stewart Connector Systems de Mexico, S.A. de C.V. Mexico Bel Stewart Gmbh Germany Bel Fuse Europe Ltd. United Kingdom Bel Fuse Limited Hong Kong Bel Power (Hangzhou) Co. Ltd. China Bel Components Ltd. Hong Kong Top East Corporation Limited Hong Kong Bel Stewart Limited Hong Kong Bel Fuse Macau LDA Macau