Impedance Playground

Hands-on microstrip tuning. Drag sliders, watch Z₀ settle. FQC production holds ±5% — twice as tight as the industry norm.

Quick presets

Trace width W5 mil

Dielectric H3.5 mil

Copper weight T1 oz(1.38 mil)

Dielectric material

Calculated Z₀

49.9Ω

Industry ±10%44.9 – 54.9

FQC ±5%47.4 – 52.4

FQC production: Your board runs 47.4 – 52.4 Ω in actual build.

Typical fabs: 44.9 – 54.9 Ω

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Route to quote with this target

IPC-2141 simplified formula — rough estimate. Field solver required for production designs. FQC engineering provides a validated impedance stackup as part of DFM review.