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Microstrip Impedance Calculator
BETACalculate characteristic impedance for microstrip PCB traces
Microstrip Impedance Calculator
Characteristic impedance of PCB microstrip traces
mm
mm
mm
Common Dielectric Constants:
FR4: 4.2-4.8Rogers 4003: 3.55Rogers 4350: 3.66Polyimide: 3.2-3.5PTFE: 2.1Air: 1.0
Impedance (Z₀)
63.50Ω
Eff. εr
3.283
Delay
0.006ns/mm
Disclaimer
These calculators are provided for reference purposes only. While we strive for accuracy, always verify calculations with manufacturer datasheets and professional design tools before use in production. NSquare Bros is not liable for any errors or damages arising from the use of these tools.