The 440 Series is a 100% Lead-free, RoHS compliant and Halogen-free fuse series designed specifically to provide over-current protection to circuits that operate under high working ambient temperatures up to 150°C and high inrush currents. The general design ensures excellent temperature stability and performance stability. This high I2t fuse series is designed to have ultra high inrush current withstand capability to avoid nuisance fuse open.