The Littlefuse Wickmann RXEF Series, 72V DC PolySwitch lead-free radial leaded resettable PPTC device has 0. 40A trip current and 2. 2s trip time. It is generally used in applications like Satellite video receivers, industrial controls, transformers, computer motherboards, modems, USB hubs, ports, battery packs, phones, fax machine, printers, analog and digital line cards.Resettable and single-use overcurrent deviceWide range of form factor and termination methodsDevices compatible with high-volume electronics assemblyRoHS compliantLead-Free and Halogen-Free