The present invention relates to a repeatable fuse having precise operation temperature characteristics and rated current characteristics against various operation temperatures and rated currents, and which is manufactured to a small size. The repeatable fuse according to an embodiment of the present invention comprises a shape memory alloy spring and a bias spring corresponding to the shape memory alloy spring, wherein the shape memory alloy spring is formed in the shape of a coil having a wire diameter of 0.15 mm to 0.50 mm and where the number of wire turns is 3.5 to 7.0.