RC0402FR-074K7L - YAGEO

{
 "schema": "adom/verification@1",
 "part": "RC0402FR-074K7L",
 "variants": [],
 "entries": [
  {
   "date": "2026-10-21",
   "by": {
    "name": "Claude (AI agent) for John Lauer",
    "handle": "john"
   },
   "status": "verified",
   "title": "3D model matches the datasheet package dimensions",
   "scope": [
    "3d-model"
   ],
   "variants": [
    "*"
   ],
   "checks": [
    {
     "text": "L: model 1.000 mm, datasheet 0.95 to 1.05 mm",
     "result": "pass"
    },
    {
     "text": "W: model 0.500 mm, datasheet 0.45 to 0.55 mm",
     "result": "pass"
    },
    {
     "text": "T/H: model 0.350 mm, datasheet 0.30 to 0.40 mm",
     "result": "pass"
    },
    {
     "text": "I1 (terminal on top): model 0.165 mm, datasheet 0.10 to 0.30 mm",
     "result": "pass"
    },
    {
     "text": "I2 (terminal on bottom): model 0.165 mm, datasheet 0.15 to 0.35 mm",
     "result": "pass"
    },
    {
     "text": "Z-up, seated on z = 0, centred on the footprint origin, long axis on X",
     "result": "pass"
    },
    {
     "text": "no manufacturer STEP was reachable for this exact part number; the model is KiCad's library package, checked against the datasheet table",
     "result": "note"
    }
   ],
   "evidence": [
    {
     "label": "overlay (top, bottom, side, end at true scale)",
     "href": "docs/verify/rc0402fr-074k7l-overlay.png"
    },
    {
     "label": "numbers",
     "href": "docs/verify/rc0402fr-074k7l-check.json"
    },
    {
     "label": "datasheet (YAGEO General Purpose Chip Resistors RC_L series, product specification V.14, Nov. 14, 2025)",
     "href": "docs/rc0402fr-074k7l-datasheet.pdf"
    }
   ],
   "files": {
    "RC0402FR-074K7L.step": "91507e5af4251cb4ef38e04889c9b98da29904432bd83786bba13ae9b605eacb",
    "package-reference.glb": "e0f0a1b3f86b307421456f2e9945d22b4d3e222a7ec62e602fc97c5e6a7f34c3",
    "docs/rc0402fr-074k7l-datasheet.pdf": "7b6f0ae72708ca4b38126f84b5407a3e970a94cb60bc1a0afdaeb25a23d839bb"
   }
  },
  {
   "date": "2026-10-21",
   "by": {
    "name": "Claude (AI agent) for John Lauer",
    "handle": "john"
   },
   "status": "verified",
   "title": "Footprint compared with the maker's recommended land pattern",
   "scope": [
    "footprint"
   ],
   "variants": [
    "*"
   ],
   "checks": [
    {
     "text": "gap between lands: KiCad 0.48 mm, maker 0.50 mm (difference -0.02 mm)",
     "result": "pass"
    },
    {
     "text": "land length: KiCad 0.54 mm, maker 0.50 mm (difference +0.04 mm)",
     "result": "pass"
    },
    {
     "text": "land width: KiCad 0.64 mm, maker 0.60 mm (difference +0.04 mm)",
     "result": "pass"
    },
    {
     "text": "overall length: KiCad 1.56 mm, maker 1.50 mm (difference +0.06 mm)",
     "result": "pass"
    }
   ],
   "evidence": [
    {
     "label": "comparison drawing",
     "href": "land-pattern/land-pattern.png"
    },
    {
     "label": "numbers",
     "href": "land-pattern/land-check.json"
    },
    {
     "label": "write-up",
     "href": "land-pattern/README.md"
    }
   ],
   "files": {
    "R_0402_1005Metric_RC0402FR-074K7L.kicad_mod": "e6e94ac56b2b57f3094f8f7632236b1c518ea711d88adf1900c1c14df0e4ed29"
   }
  },
  {
   "date": "2026-10-21",
   "by": {
    "name": "Claude (AI agent) for John Lauer",
    "handle": "john"
   },
   "status": "verified",
   "title": "Marking: the model shows the real part, which is unmarked",
   "scope": [
    "3d-model",
    "marking"
   ],
   "variants": [
    "*"
   ],
   "checks": [
    {
     "text": "YAGEO states 'No Marking' for RC0402 (Fig. 1) (RC_L product specification V.14, p.3 'Marking')",
     "result": "pass"
    },
    {
     "text": "no AI-added part-number etch on any model",
     "result": "pass"
    }
   ],
   "evidence": [
    {
     "label": "datasheet",
     "href": "docs/rc0402fr-074k7l-datasheet.pdf"
    }
   ],
   "files": {
    "RC0402FR-074K7L.step": "91507e5af4251cb4ef38e04889c9b98da29904432bd83786bba13ae9b605eacb"
   }
  },
  {
   "date": "2026-10-21",
   "by": {
    "name": "Claude (AI agent) for John Lauer",
    "handle": "john"
   },
   "status": "verified",
   "title": "Board-use LOD GLBs are clean and share the STEP pose",
   "scope": [
    "lod"
   ],
   "variants": [
    "*"
   ],
   "checks": [
    {
     "text": "four levels written, read back, bounds equal the STEP (Z-up, metres, seat z = 0)",
     "result": "pass"
    },
    {
     "text": "no footprint, pad outline, label or silkscreen helpers; terminals present at every level",
     "result": "pass"
    },
    {
     "text": "previews looked at by the AI agent, not yet by a person",
     "result": "note"
    }
   ],
   "evidence": [
    {
     "label": "manifest",
     "href": "lod/manifest.json"
    }
   ],
   "files": {
    "lod/high.glb": "f226ab07088b39b0728636842dac52753712b218da21390c082d21dd8356540e",
    "lod/medium.glb": "8e6d01a559f42f4cf98ba8a26747807a52ad37c7b18c9b237384dbbe0ba78bb8",
    "lod/low.glb": "0f236454e6e2848dcd78f7c05148324d02c813b6dcd3d283af9c9681092aa682",
    "lod/super-low.glb": "845b2a9b741841a51db2d5f45842ef745030d2f879c3a0db1ad371ffe1bfa492"
   }
  },
  {
   "date": "2026-10-21",
   "by": {
    "name": "Claude (AI agent) for John Lauer",
    "handle": "john"
   },
   "status": "verified",
   "title": "Pin 1 and polarity",
   "scope": [
    "footprint",
    "3d-model",
    "symbol"
   ],
   "variants": [
    "*"
   ],
   "checks": [
    {
     "text": "non-polar two-terminal resistor: pads 1 and 2 are interchangeable; symbol pins 1 and 2 map to pads 1 and 2",
     "result": "pass"
    },
    {
     "text": "model terminals sit on the footprint pads (both centred on the origin, long axis on X)",
     "result": "pass"
    }
   ],
   "evidence": [],
   "files": {
    "R_0402_1005Metric_RC0402FR-074K7L.kicad_mod": "e6e94ac56b2b57f3094f8f7632236b1c518ea711d88adf1900c1c14df0e4ed29",
    "RC0402FR-074K7L.kicad_sym": "92f3f4071c79f08ed1b6ee4e2c3e3a615fdfac4eeb9acb126ecd052373c72940",
    "RC0402FR-074K7L.step": "91507e5af4251cb4ef38e04889c9b98da29904432bd83786bba13ae9b605eacb"
   }
  },
  {
   "date": "2026-10-21",
   "by": {
    "name": "Claude (AI agent) for John Lauer",
    "handle": "john"
   },
   "status": "verified",
   "title": "Hero GLB built to adom-hero 1.4 over the clean model",
   "scope": [
    "3d-model",
    "hero"
   ],
   "variants": [
    "*"
   ],
   "checks": [
    {
     "text": "pads 2, silk items 2, pin1 none, labels 2; align OK (offset 0.0 mm)",
     "result": "pass"
    },
    {
     "text": "pad outlines teal 50 %, silkscreen 30 % alpha, pad-number labels 50 % (the terminals have no names); no pin-1 dot, the part is non-polar",
     "result": "pass"
    },
    {
     "text": "hero is a separate file; package-reference.glb and every LOD carry no artwork",
     "result": "pass"
    },
    {
     "text": "preview looked at by the AI agent; the live wiki viewer still needs a person's look",
     "result": "note"
    }
   ],
   "evidence": [
    {
     "label": "preview (top and oblique)",
     "href": "docs/rc0402fr-074k7l-hero-preview.png"
    },
    {
     "label": "sidecar",
     "href": "rc0402fr-074k7l-hero.overlay.json"
    }
   ],
   "files": {
    "rc0402fr-074k7l-hero.glb": "6485552bd14bf40104a90a0f169379482cb44ef91fd578ed5fb872aa2efa3416",
    "package-reference.glb": "e0f0a1b3f86b307421456f2e9945d22b4d3e222a7ec62e602fc97c5e6a7f34c3",
    "R_0402_1005Metric_RC0402FR-074K7L.kicad_mod": "e6e94ac56b2b57f3094f8f7632236b1c518ea711d88adf1900c1c14df0e4ed29"
   }
  },
  {
   "date": "2026-10-21",
   "by": {
    "name": "Claude (AI agent) for John Lauer",
    "handle": "john"
   },
   "status": "verified",
   "title": "Altium libraries generated from the KiCad symbol and footprint",
   "scope": [
    "symbol",
    "footprint",
    "eda"
   ],
   "variants": [
    "*"
   ],
   "checks": [
    {
     "text": "adom-lbr import-kicad + export-altium: native .SchLib (2 pins) and .PcbLib (2 pads) written and read back; MPN, Manufacturer and supplier numbers carried as parameters",
     "result": "pass"
    },
    {
     "text": "not yet opened in Altium by a person",
     "result": "note"
    }
   ],
   "evidence": [],
   "files": {
    "altium/RC0402FR-074K7L.SchLib": "0459a49d591f3aae783088f13b746bfd787f1116f4ab3342cc5524960af1149d",
    "altium/RC0402FR-074K7L.PcbLib": "1d3b94137425f3d0be3a556c73d4dee5b799495ada557df6219e1e54433197f6",
    "altium/RC0402FR-074K7L.adom-lbr.json": "459877c4c2f8dc04fa6f55a2457d36f06d6ff8530b7626f9facbd86655e14fbc"
   }
  }
 ]
}