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John Lauer WS2812B standard: metal terminals, datasheet PDF, distributors, verification log, 3D models record, solder balls, outli… 0262513 16d ago
{
 "schema": "adom/verification@1",
 "part": "CR0402-FX-4701GLF",
 "variants": [
  {
   "mpn": "CR0402-FX-4701GLF",
   "note": "this page's value",
   "stocked": false
  }
 ],
 "entries": [
  {
   "date": "2026-10-04",
   "by": {
    "name": "John Lauer",
    "handle": "john"
   },
   "status": "verified",
   "title": "Footprint matches Bourns' Recommended Pad Layout",
   "scope": [
    "footprint"
   ],
   "variants": [
    "*"
   ],
   "checks": [
    {
     "text": "Pads 0.50 x 0.50 mm on 1.00 mm centres, square corners, as Bourns REV. 03/21 p.2 draws them",
     "result": "pass"
    },
    {
     "text": "IPC-7351B heel and side fillets 0.00 mm nominal against the 0.25 mm bottom terminal: the intended fit",
     "result": "pass"
    },
    {
     "text": "Not polarised: pad 1 and pad 2 are interchangeable",
     "result": "note"
    }
   ],
   "evidence": [
    {
     "label": "Bourns datasheet",
     "href": "docs/cr0402-fx-4701glf-datasheet.pdf"
    }
   ],
   "files": {
    "CR0402-FX-4701GLF.kicad_mod": "3261a93d1c7cf8831584c04b07554c36ee216ecc255634bf2a9cb4116f461694"
   }
  },
  {
   "date": "2026-10-04",
   "by": {
    "name": "John Lauer",
    "handle": "john"
   },
   "status": "verified",
   "title": "3D model built from Bourns' CR0402 dimensions",
   "scope": [
    "3d model"
   ],
   "variants": [
    "*"
   ],
   "checks": [
    {
     "text": "L 1.00, W 0.50, T 0.32 mm; top terminal 0.20, bottom terminal 0.25 mm; black overcoat between the top terminals",
     "result": "pass"
    },
    {
     "text": "Terminals and substrate share no surface (no z-fighting); tinned terminals render as metal in every GLB",
     "result": "pass"
    },
    {
     "text": "Part number on the black overcoat; the unmarked STEP beside it",
     "result": "pass"
    }
   ],
   "evidence": [
    {
     "label": "top and underside previews",
     "href": "docs/models/CR0402-FX-4701GLF.step.top.png"
    }
   ],
   "files": {
    "CR0402-FX-4701GLF.step": "9c5e52b229df34577f3b79d8b4b999255d04f0dc3901804db5df9ce603c12805",
    "CR0402-FX-4701GLF-unetched.step": "4715b00a26bc4e81d4cdb2c8d51467ae1fb054f9cbe8d7d3d61ab69bcef298f5"
   }
  },
  {
   "date": "2026-10-04",
   "by": {
    "name": "John Lauer",
    "handle": "john"
   },
   "status": "verified",
   "title": "Hero: copper fill, outlines outside the copper, hidden solder-ball layer",
   "scope": [
    "hero"
   ],
   "variants": [
    "*"
   ],
   "checks": [
    {
     "text": "Copper pads layer; 300 um solder balls layer hidden by default, positions identical to adom-footprint's paste dots",
     "result": "pass"
    }
   ],
   "evidence": [],
   "files": {
    "cr0402-fx-4701glf-hero.glb": "56e82dc31bf78550747fb96683e8ff64ec84e7964a7504b448ad10f286dab6a3"
   }
  }
 ]
}