GRM155R71H472KA01D - Murata

{
 "manufacturer_reference": "https://pim.murata.com/en-us/pim/details/?partNum=GRM155R71H472KA01%23",
 "symbol_source": "Original, written for this page (standard capacitor graphic, non-polar). CC-BY-4.0.",
 "footprint_source": "KiCad standard library Capacitor_SMD:C_0402_1005Metric (CC-BY-SA 4.0 with the KiCad library exception); renamed C_0402_1005Metric -> C_0402_1005Metric_GRM155R71H472KA01D, model path set to ${KIPRJMOD}/GRM155R71H472KA01D.step; copper unchanged",
 "footprint_upstream_sha256": "0403382fc4583ed510b461b1fa4a36dfaec6f4c0d9b1a67e6b0027837a54e1b5",
 "footprint_upstream_url": "https://gitlab.com/kicad/libraries/kicad-footprints/-/raw/master/Capacitor_SMD.pretty/C_0402_1005Metric.kicad_mod",
 "package_source": "KiCad packages3D Capacitor_SMD.3dshapes/C_0402_1005Metric.step (CC-BY-SA 4.0 with the KiCad library exception)",
 "package_upstream_url": "https://gitlab.com/kicad/libraries/kicad-packages3D/-/raw/master/Capacitor_SMD.3dshapes/C_0402_1005Metric.step",
 "package_bytes_unchanged": true,
 "manufacturer_step": {
  "found": false,
  "searched": "2026-10-21",
  "method": "plain HTTP only (curl), no browser",
  "note": "Murata's public product-data API (pimapi.murata.com/public/api/pim/v1/products/search, queried 2026-10-21 for GRM155R71H472KA01#) lists the reference sheet, reliability data, S-parameters, SPICE netlist and characteristics data for this part but no STEP or other 3D CAD asset; the product page (pim.murata.com) is a script-built page with no static CAD link, and guessed static paths returned 404. No browser session was used, so KiCad's library model was used and checked against Murata's printed dimensions."
 },
 "datasheet_figures": [
  {
   "file": "docs/figures/grm155r71h472ka01d-ds-p2-title.png",
   "page": 2,
   "box_100dpi": [
    0,
    0,
    1170,
    140
   ],
   "caption": "p.2 header: part number, size, characteristic, capacitance, voltage and the 'as of' date"
  },
  {
   "file": "docs/figures/grm155r71h472ka01d-ds-p2-dimension-rating.png",
   "page": 2,
   "box_100dpi": [
    0,
    215,
    1170,
    545
   ],
   "caption": "p.2 'Type & Dimension' and 'Rated Value'"
  },
  {
   "file": "docs/figures/grm155r71h472ka01d-ds-p2-package.png",
   "page": 2,
   "box_100dpi": [
    0,
    545,
    1170,
    700
   ],
   "caption": "p.2 'Package': packaging codes and reel quantities"
  },
  {
   "file": "docs/figures/grm155r71h472ka01d-ds-p3-specs.png",
   "page": 3,
   "box_100dpi": [
    0,
    40,
    1170,
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   ],
   "caption": "p.3 'Specifications and Test Methods' items 1 to 7 (IR, capacitance, Q or DF)"
  },
  {
   "file": "docs/figures/grm155r71h472ka01d-ds-p27-land.png",
   "page": 27,
   "box_100dpi": [
    140,
    55,
    1000,
    690
   ],
   "caption": "p.27 '2. Land Dimensions', Tables 1 and 2"
  }
 ],
 "hero_glb": {
  "file": "grm155r71h472ka01d-hero.glb",
  "sidecar": "grm155r71h472ka01d-hero.overlay.json",
  "tool": "hero_glb.py (adom/component-hero, adom-hero 1.4), copied into provenance/tools/",
  "inputs": [
   "package-reference.glb",
   "C_0402_1005Metric_GRM155R71H472KA01D.kicad_mod",
   "component.pins (1 and 2, unnamed)"
  ],
  "result": "pads 2, silk items 2, pin1 none, labels 2; align OK (offset 0.0 mm)"
 },
 "altium": {
  "files": [
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   "altium/GRM155R71H472KA01D.PcbLib",
   "altium/GRM155R71H472KA01D.adom-lbr.json"
  ],
  "tool": "adom-lbr import-kicad --sym --fp --mpn, then adom-lbr export-altium"
 },
 "geometry_status": "KiCad library package geometry, every printed dimension checked against the datasheet (docs/verify). Not manufacturer-issued CAD.",
 "frame": {
  "units": "mm (STEP), metres (GLB)",
  "up_axis": "Z",
  "seat_z": 0,
  "origin": "footprint origin",
  "transform": "none"
 },
 "glb": {
  "tool": "step2glb convert",
  "exit": 0,
  "stderr_tail": "Large file queued for async conversion (job 3ff429ddb57687a6). Polling...\nJob 3ff429ddb57687a6 complete (0s). Downloading GLB...\n"
 },
 "hero": {
  "tool": "step2glb thumbnail --width 1920 --height 1200 (iso, 16:10)",
  "path": "docs/hero.png"
 },
 "fusion_lbr": {
  "file": "GRM155R71H472KA01D.lbr",
  "tool": "adom-lbr generate --sym --fp --part-metadata page.json",
  "lint": "passed, 0 errors, 0 warnings"
 },
 "datasheet": {
  "file": "docs/grm155r71h472ka01d-datasheet.pdf",
  "sha256": "2ecf2a37f17dba6c4ed4dd5cc1c789344c3975f98312856e26cc9b559aa7915c",
  "url": "https://search.murata.co.jp/Ceramy/image/img/A01X/G101/ENG/GRM155R71H472KA01-01A.pdf",
  "title": "Murata reference sheet GRM155R71H472KA01-01A, specifications as of Jun. 19, 2026",
  "retrieved": "2026-10-21"
 },
 "supporting_documents": [],
 "datasheet_check": {
  "overlay": "docs/verify/grm155r71h472ka01d-overlay.png",
  "numbers": "docs/verify/grm155r71h472ka01d-check.json",
  "tools": "provenance/tools/ (ortho.py, overlay_chip.py, spec json)",
  "result": "PASS"
 },
 "land_pattern_check": {
  "readme": "land-pattern/README.md",
  "numbers": "land-pattern/land-check.json",
  "source": "Murata reference sheet, p.27 '2. Land Dimensions', Table 2 Reflow Soldering Method, GRM 15, 1.0x0.5 (within +/-0.10)",
  "result": "larger than maker"
 },
 "marking": {
  "real_marking": null,
  "statement": "The Murata reference sheet specifies no part marking: none of its 33 pages has a marking section, and the p.2 dimension sketch shows a plain body",
  "source": "GRM155R71H472KA01-01A, all 33 pages searched; p.2"
 },
 "distributors": {
  "tool": "adom-parts-search search GRM155R71H472KA01D",
  "date": "2026-10-21",
  "mouser": {
   "part": "81-GRM155R71H472KA01",
   "url": "https://www.mouser.com/ProductDetail/Murata-Electronics/GRM155R71H472KA01D?qs=%252BoxYCnKeKt%252BSDNhyRTpZXw%3D%3D",
   "stock": 679556
  },
  "digikey": {
   "part": "490-1308-2-ND",
   "url": "https://www.digikey.com/en/products/detail/murata-electronics/GRM155R71H472KA01D/587235",
   "stock": 0
  },
  "lcsc": {
   "part": "C77024",
   "url": "https://www.lcsc.com/product-detail/C77024.html",
   "stock": 77039
  }
 },
 "lod": {
  "manifest": "lod/manifest.json",
  "generator": "provenance/tools/lod.py",
  "source_sha256": "03e44c4b2b727b8d4b6b1fd598cbd12dd5e614f1dfeefa96a92a07e3a3b312a2"
 },
 "tools_note": "lod.py, ortho.py and overlay_chip.py come from the GRM155R71C104KA88D component page; build.py, parts.py, landcheck.py, records.py and push.sh are the scripts used for the GRM1555C1H100JA01D and GRM155R71H103KA88D pages, extended here with datasheet figure crops, the adom-hero 1.4 hero and the Altium lane.",
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 "files_note": "provenance.json itself is not listed.",
 "built_by": "Claude (AI agent) for John Lauer",
 "date": "2026-10-21"
}