PCB Thermal Via Array Z-Axis Conductivity & Copper-Spreading Tj Calculator

Deterministic Hollow copper cylinder axial conduction R_via = L / (k_cu * pi * (r_out^2 - r_in^2)) + radial Bessel-function copper plane spreading resistance engine (.gbr, .kicad_pcb, .json) built for Texas Instruments, Analog Devices, KiCad, JLCPCB — zero-upload ephemeral Wasm RAM execution.

+ Drop File

Cloudflare Ephemeral Wasm RAM · 0% Retention

DETERMINISTIC VERDICT

Double-click 2.4× zoom · Drag to pan / 3D orbit

Free Deterministic X-Ray Preview

Running ephemeral Wasm verification…

Verified Engineering Output

Instant unlock via Apple Pay / Card (Paddle Merchant of Record) · 1-click automated refund, zero support tickets.

HeyCheck Cloud Compilers · Deterministic Zero-Upload Wasm Execution Terms Privacy Refund Policy