³Ô¹Ïtv / ENGINEERING NOTEWorked reference: PCB Trace Resistance CalculatorR(T) = rho20 L/(w t) × [1 + alpha(T − 20)]01100 × 2 mm; 35 µm copper02About 24.63 mΩ at 20 °C03Temperature is an inputIllustrative inputs or review logic; no automaticapproval.Conceptual drawing. Not to scale; not manufacturing or compliance evidence.