PTC Resettable Polyswitch Fuse Automatic Recovery Polyfuse Multifuse Break -250V The heat generated by the current flowing through the self-recovery fuse on the circuit is small and will not change the crystal structure. JK250-020U（0.02A 250V）. JK250-030U（0.03A 250V）. JK250-040U（0.04A 250V）. byJuly 5, 2026
