Impedance Calculator

Calculate the characteristic impedance of microstrip PCB traces

Common values: FR4 ≈ 4.2-4.8, PTFE ≈ 2.1, Alumina ≈ 9.8

Trace Width Calculator

Calculate the required trace width for a given current

Typical values: 10°C for conservative designs, 20-30°C for standard designs

Via Current Calculator

Calculate the current carrying capacity of PCB vias

Power Plane Calculator

Calculate voltage drop and power loss in PCB power planes