Surface Mount Fuse - Misc. Surface Mount Fuse - Misc.
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A surface mount fuse is a subminiature fuse that is soldered directly on to a printed circuit board. Surface mount fuses use only one side of the printed circuit board, offering a space saving advantage versus their leaded, through hole mount fuse counterparts. Surface mount fuses that are not in industry standardized package sizes (1206, 0603 or 0402) typically offer higher voltage ratings or special characteristics such as higher surge tolerance for the telecom market. Some come with a surface mount clip assembly or fuseholder allowing field replacement. Another series has a rectangular shape with gull wing surface mount leads. They are available in fast acting and time lag versions. Rated voltages range from 65 to 600 volts AC. Ampere ratings range from 0.062 to 30 amps. These fuses typically carry a UL Recognition and CSA Approval. Some series are built to the European IEC 60127-4 and the Universal Modular Fuse-Link (UMF) standards. Telecom fuses typically pass the Telcordia GR-1089-CORE test criteria.
Littelfuse, Bussmann and Schurter offer many of these type of surface mount fuses. Littelfuse uses the Slo-Blo ®, SlimLine ®, Nano2 ® , Pico ®, TeleLink ®, OMNI-BLOK ® and FLAT-PAK ® brand names.