|February 7, 2023
Wire Fusing Currrent Estimates for Copper, Iron, Aluminum, and Tin
Wire fusing currents
These currents are estimates for how much current it takes to melt a wire in free air. Of course anything that helps dissipate heat, such as a heat sink, or concentrate the heat, such as insulation, will change the wire fusing current, so these are only estimates.
This chart of Fusing Currents for American Wire Gauge (AWG) wire sizes is data intended for the pleasure of our readers only. Typographical errors, etc. are probable, since the typist is not a professional (our CEO). Please point out errors. The data listed are incomplete and should be used as a guideline only. Please contact manufacturers for the latest data.
We hope that this information is helpful. Now go out and design something that needs a charger, power supply, or battery pack!