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Repro: JLC 1.0mm stackup selection silently picks JLC04101H-7628 (#4890) - #4894

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tscircuit:mainfrom
trixie010:repro/jlc-stackup-4890
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trixie010 wants to merge 2 commits into
tscircuit:mainfrom
trixie010:repro/jlc-stackup-4890

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@trixie010

@trixie010 trixie010 commented Oct 24, 2026 •

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Summary

Adds a repro for #4890.

The tests cover a 4-layer, 1.0 mm, FR4 board with fabricatorPreset="jlcpcb_standard":

  • Documents the current selection: JLC04101H-7628.
  • Adds a test.failing case for the proposed explicit selection, jlcpcbStackup="JLC04101H-3313".

Verification

  • bun test tests/components/normal-components/board-stackup-preset-4890.test.tsx: 2 pass, 0 fail. The test.failing case fails as expected with 7628 RC49% instead of 3313 RC57%.

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vercel Bot commented Oct 24, 2026 •

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