0402B472K500NT

{
 "schema": "adom/verification@1",
 "part": "0402B472K500NT",
 "variants": [],
 "entries": [
  {
   "date": "2026-10-08",
   "by": {
    "name": "Claude (AI build)",
    "handle": "claude"
   },
   "status": "superseded",
   "title": "Automated build checks (awaiting human validation)",
   "scope": [
    "symbol",
    "footprint",
    "3d",
    "pins"
   ],
   "variants": [
    "*"
   ],
   "checks": [
    {
     "text": "Footprint extracted pad-for-pad from the source board and normalized to the footprint frame (back-side parts un-mirrored)",
     "result": "pass"
    },
    {
     "text": "3D model seated z=0 at footprint origin (placement inverse; method centroid-matched to KiCad library models on 59 cases)",
     "result": "pass"
    },
    {
     "text": "adom-lbr generate + lint passed",
     "result": "pass"
    },
    {
     "text": "2 of 2 pins described",
     "result": "pass"
    },
    {
     "text": "Not yet checked by a person: land pattern vs datasheet, pin-1/orientation, 3D body vs drawing",
     "result": "note"
    }
   ],
   "evidence": [
    {
     "label": "datasheet",
     "href": "docs/0402b472k500nt-datasheet.pdf"
    }
   ],
   "files": {
    "0402b472k500nt.kicad_sym": "6de20ae571a982495da19a1427725aa73a3b9814401c2662a8f9ee1b5250ecfd",
    "0402b472k500nt.kicad_mod": "568082ef44dded369ec5ee80b265daf7f4f808dc964e10c6ae038249e8fe6ec4",
    "0402b472k500nt.step": "03e44c4b2b727b8d4b6b1fd598cbd12dd5e614f1dfeefa96a92a07e3a3b312a2"
   }
  },
  {
   "date": "2026-10-08",
   "by": {
    "name": "Claude (AI build)",
    "handle": "claude"
   },
   "status": "superseded",
   "title": "Datasheet language: the only manufacturer datasheet found is bilingual Chinese/English (se...",
   "scope": [
    "review"
   ],
   "variants": [
    "*"
   ],
   "checks": [
    {
     "text": "Datasheet language: the only manufacturer datasheet found is bilingual Chinese/English (searched the maker site, LCSC/JLC and DigiKey on 2026-10-08); no English-only edition located.",
     "result": "note"
    }
   ],
   "evidence": [],
   "files": {}
  },
  {
   "date": "2026-10-27",
   "by": {
    "name": "Claude, at Caleb Taylor's request",
    "handle": "claude"
   },
   "status": "verified",
   "title": "Validated against Fenghua General Series MLCC specification (version A0006, 2026-9-9)",
   "scope": [
    "symbol",
    "footprint",
    "3d",
    "pins"
   ],
   "variants": [
    "*"
   ],
   "checks": [
    {
     "text": "Datasheet: Fenghua General Series Multi-layer Ceramic Capacitors (GENERAL TYPE MLCC), version A0006, 2026-9-9 (revision history p.30), downloaded 2026-10-27 from the MLCC product page of china-fenghua.com: http://www.china-fenghua.com/uploads/20260922/110408_%E9%80%9A%E7%94%A8%E5%9E%8B%E7%B3%BB%E5%88%97%E5%A4%9A%E5%B1%82%E7%89%87%E5%BC%8F%E9%99%B6%E7%93%B7%E7%94%B5%E5%AE%B9%E5%99%A8-A0006.pdf; same file (sha256) as the \"General Series Multi-layer Ceramic Capacitors-A0006\" entry in the site's capacitor document bundle; replaces the JLCPCB/LCSC copy",
     "result": "pass"
    },
    {
     "text": "Electrical values agree with the datasheet (ordering code p.3, dielectric p.4, X7R 0402 table p.8): 4.7 nF, +/-10% (K), 50 V, X7R (+/-15%, -55 to +125 C); the README distributor summary row says the same",
     "result": "pass"
    },
    {
     "text": "Pins: two-terminal non-polarized MLCC, pins 1/2 passive with empty names by library convention; symbol, footprint and .lbr agree",
     "result": "pass"
    },
    {
     "text": "Pin descriptions use the library wording and cite the dimension drawing (p.4)",
     "result": "pass"
    },
    {
     "text": "Footprint (KiCad 0402): pads at +/-0.48 mm, 0.56 x 0.62 mm, gap 0.4, outer span 1.52. Fenghua recommended reflow pad size, 0402, 1.00+/-0.05 x 0.50+/-0.05: A 0.30-0.50, B 0.35-0.45, C 0.40-0.60 (A gap, B land length, C land width): gap inside the range, land 0.56 long (0.11 over) and 0.62 wide (0.02 over) (p.28). Pads cover both terminations; small differences only, KiCad library land kept",
     "result": "note"
    },
    {
     "text": "3D body: plain STEP 1.0 x 0.5 x 0.5 mm against size code CA: L 1.0+/-0.05, W 0.5+/-0.05, T 0.5+/-0.05 (p.4, p.8): all three at nominal; Z-up, seated on z = 0, centred on the pads",
     "result": "pass"
    },
    {
     "text": "Ordering code decoded with \"How To Order\" (p.3): 0402 size, B = X7R, 472 = 4.7 nF, K = +/-10%, 500 = 50 V, N = nickel-barrier termination, T = 7-inch reel tape; the X7R 0402 capacitance table (p.8) lists 4.7 nF at 50 V as size code CA",
     "result": "pass"
    },
    {
     "text": "The manufacturer field on this page reads \"FH\"; the datasheet is Guangdong Fenghua Advanced Technology (FENGHUA); the specification is bilingual Chinese/English, as the maker publishes it",
     "result": "note"
    },
    {
     "text": "DigiKey and Mouser do not list 0402B472K500NT (search by exact MPN, 2026-10-27); set to not carried",
     "result": "pass"
    },
    {
     "text": "Symbol and footprint Datasheet properties point at the manufacturer datasheet URL",
     "result": "pass"
    },
    {
     "text": "Symbol Datasheet / MPN / Manufacturer / DigiKey / Mouser / LCSC properties agree with page.json; footprint Datasheet property points at the manufacturer datasheet URL",
     "result": "pass"
    },
    {
     "text": "component-page-verify: all checks pass",
     "result": "pass"
    }
   ],
   "evidence": [
    {
     "label": "datasheet (FH)",
     "href": "http://www.china-fenghua.com/uploads/20260922/110408_%E9%80%9A%E7%94%A8%E5%9E%8B%E7%B3%BB%E5%88%97%E5%A4%9A%E5%B1%82%E7%89%87%E5%BC%8F%E9%99%B6%E7%93%B7%E7%94%B5%E5%AE%B9%E5%99%A8-A0006.pdf"
    }
   ],
   "files": {
    "0402b472k500nt.kicad_sym": "c8c56e46b429c26be49c0aaf2d0dff39f895a09190dbf8bcbae48740113d5cd4",
    "0402b472k500nt.kicad_mod": "a9a792a82ad19b40d396934a40e0dc97916a65a2b611d858c0d9d64baad4d622",
    "0402b472k500nt.step": "03e44c4b2b727b8d4b6b1fd598cbd12dd5e614f1dfeefa96a92a07e3a3b312a2"
   }
  }
 ]
}