This calculator determines the resistance of a microstrip trace using the formula:
\[ R = \rho \cdot \frac{L}{T \cdot W} \cdot \left[ 1 + \alpha \cdot (\text{temp} - 25) \right] \]
Where:
\(\rho = \) resistivity
\(L = \) length
\(W = \) trace width
\(T = \) trace height
Note:
\(\rho_{\text{copper}} = 1.7 \times 10^{-6} \, \Omega \cdot \text{cm}\)
\(\alpha_{\text{copper}} = 3.9 \times 10^{-3} \, \Omega / \Omega / ^\circ\text{C}\)