The S1206-S-4.0A Surface Mount Fuses 1206 RoHS manufactured by SART are surface mount polyfuse protection devices designed to protect circuits from overloads or short circuits. These RoHS-compliant fuses have a 4A current rating and a 1206 package size for easy installation. They feature fast acting, self-resetting protection with a quick reaction time that eliminates the need for external component replacement during normal operation. They feature a high resistance to failure for incomparable reliability and increased safety. The fuses are lead-free and are suitable for use in a wide range of applications.