Schurter UMZ FusesHigh breaking capacitySurface mount with clipTime-LagStandardsIEC 60127-4 / 2, UL 248-14, CSA C22.2 no. 248.14Surface Mount TechnologySurface mount fuses offer considerable space (and time) saving features for low voltage applications. The FF types are ideal for protection of high value silicon IC's e.g. alarm systems, audio/visual equipment, computer boards, portable telephones, power supplies, medical apparatus etc.