A short neck can dominate the conductor reviewA short neck can dominate the conductor review90 mm main path · 10 mm wide10 mm neck · 2 mm wideNominal 280 µm · Assumed 20°C · 40 A DCNeck: 10% of path length → approximately 36% of resistanceNARROW SECTIONConceptual engineering illustration · Not to scale · Not production evidence