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PCB Substrate Selector — Aluminum vs FR-4 vs Rogers
Pick the base material that fits your thermal, frequency and cost profile across PCBark’s product lines.
Guidance based on PCBark’s published material lines. FR-4 baseline ≈ 0.25 W/m·K; PCBark aluminum dielectric runs 1.0–5.0 W/m·K (8–9× FR-4 heat transfer).
