A resilient device for minimizing noise in a splined connection includes a mounting portion and two flanges bent from the mounting portion to attach to a structure. A female die supports the metal plate. Thus, an increased impurity concentration in a channel layer causes a problem that reduction in an on-resistance is inhibited. The cores 12 and 30 respectfully have first and second fins 16, 34 that are connected by a thermal fuse which provides stability during assembly, but which can be degradable.