The T0603HI4000TM is an AEM manufactured Surface Mount Fuses 0603 RoHS. It is a low-resistance, high-conductivity, temperature-resistant protection element that is used in electronic devices to prevent electrical shorts, fires, and other problems caused by circuit overloads. This fuse is designed for use in small, compact electronic devices like cell phones, PDAs, and laptops. It has a RoHS compliant nickel-plated tin-silver body with an industry compliant, 4A interrupting capacity that is able to handle a maximum voltage rating of 250VAC and a current rating of 2A. It also has advanced over-temperature and short-circuit protection, making it a reliable electronic component.