The SMD0603P050TF is a 6V 500mA 40A 1A 0603 Resettable Fuse manufactured by Polytronics and is RoHS compliant. This fuse is designed to act as a fail-safe circuit breaker, protecting electronic devices from current surge or short circuit. It features a compact Surface-mounted Device (SMD) construction and is designed for high current application in hostile environments such as automotive, industrial and medical applications. It has a low operating temperature, high peak amperage rating and is available with a variety of terminal spacing and resistance levels to suit various applications. The 6V 500mA 40A 1A 0603 Resettable Fuse by Polytronics is built for reliable, long-term performance and is compliant with international standards.