Copper resistance rises with assumed conductor temperatureCopper resistance rises with assumed conductor temperature20°C: R = 0.3284 mΩ80°C: R = 0.4052 mΩ100 mm × 12.5 mm × 420 µmAt 80 A and 50% duty: average loss ≈ 1.05 W → 1.30 WTemperatures are assumptions. These calculations do not predict them.Engineering illustration · Not to scale · Example values are not product ratings