SURFACE MOUNT FUSE AND FUSE ELEMENT THEREOF
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Dec 14, 2023
filing date -
Dec 14, 2023
priority date (Note) -
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Abstract
A surface mount fuse and fuse element thereof are disclosed. The fuse element has a lead-free flat fuse, a flux layer, and a porous metal layer. The porous metal layer is bonded on one surface of the lead-free flat fuse through the flux layer. A part of the flux layer penetrates into the porous metal layer through capillary action, so the flux fills the pores of the first porous metal layer to distribute on the lead-free flat fuse evenly. When overcurrent occurs in the current loop and high temperature occurs, the flux layer helps the porous metal layer and the lead-free flat fuse to melt effectively, thereby interrupting the current loop in time.
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