{
 "version": "2026-10-20",
 "license": "Dimension sheets are written by Xem Studio from the cited sources and are free to use (CC BY 4.0, attribute 'Xem Studio'). Linked files belong to their publishers under the license shown; Xem Studio does not host them. 'license_verified: false' means the license shown is from memory or the publisher's page as last read and should be confirmed at the link before commercial use.",
 "slug": "a19-light-bulb",
 "name": "A19 light bulb (E26 base)",
 "kind": "modern",
 "category": "Everyday objects",
 "group": "Light bulbs",
 "year": null,
 "question": "What size is an A19 light bulb?",
 "tags": [
  "light bulb",
  "lamp",
  "a19"
 ],
 "aliases": [
  "a19 bulb size",
  "a19 dimensions",
  "a19 light bulb dimensions"
 ],
 "overall_mm": {
  "length": 61,
  "width": 61,
  "height": 107.4
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/a19-light-bulb/",
 "sheet_txt": "https://xemstudio.com/objects/a19-light-bulb/sheet.txt",
 "sheet": {
  "basis": "Philips product datasheet (Philips 14A19/LED/850 ND)",
  "overall_mm": {
   "length": 61,
   "width": 61,
   "height": 107.4
  },
  "notes": [
   "A19: Ø61 mm, 107.4 mm maximum overall length, E26 base — figures from the Philips 14A19/LED/850 ND datasheet.",
   "The shape code gives the diameter in eighths of an inch (A19); the ANSI C78 envelope limits are paywalled, so a typical current product is quoted. Other brands differ by a few mm in length.",
   "The file is a cylinder envelope Ø × MOL (the bulb fits inside it)."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "diameter",
     "61 mm (2.40 in)"
    ],
    [
     "max overall length",
     "107.4 mm (4.23 in)"
    ],
    [
     "base",
     "E26"
    ],
    [
     "reference product",
     "Philips 14A19/LED/850 ND"
    ]
   ]
  }
 },
 "sheet_text": "A19 light bulb (E26 base) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/a19-light-bulb/  (CC BY 4.0)\nBasis: Philips product datasheet (Philips 14A19/LED/850 ND)\nCatalog version: 2026-10-20\n\nOverall (mm): length 61.0, width 61.0, height 107.4\n- A19: Ø61 mm, 107.4 mm maximum overall length, E26 base — figures from the Philips 14A19/LED/850 ND datasheet.\n- The shape code gives the diameter in eighths of an inch (A19); the ANSI C78 envelope limits are paywalled, so a typical current product is quoted. Other brands differ by a few mm in length.\n- The file is a cylinder envelope Ø × MOL (the bulb fits inside it).\n\ndimension  value\ndiameter  61 mm (2.40 in)\nmax overall length  107.4 mm (4.23 in)\nbase  E26\nreference product  Philips 14A19/LED/850 ND\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Philips: Philips 14A19/LED/850 ND datasheet — web — Publisher's page; dimensions are facts — https://www.assets.lighting.philips.com/is/content/PhilipsLighting/fp929001135103-pss-en_us\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/a19-light-bulb/index.json\nAPI: https://xemstudio.com/api/geometry?object=a19-light-bulb\n",
 "sources": [
  {
   "publisher": "Philips",
   "title": "Philips 14A19/LED/850 ND datasheet",
   "url": "https://www.assets.lighting.philips.com/is/content/PhilipsLighting/fp929001135103-pss-en_us",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "a21-light-bulb",
  "br30-light-bulb",
  "br40-light-bulb",
  "par30l-light-bulb",
  "par38-light-bulb",
  "g25-light-bulb",
  "mr16-light-bulb",
  "gu10-par16-light-bulb"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "How big is an A19 bulb?",
   "a": "About Ø61 × 107.4 mm (reference product)."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "a19-light-bulb-envelope",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/a19-light-bulb/a19-light-bulb-envelope.step",
   "stl": "https://xemstudio.com/files/hardware/a19-light-bulb/a19-light-bulb-envelope.stl",
   "note": "Envelope Ø61 × 107.4 mm"
  }
 ],
 "markdown": "https://xemstudio.com/objects/a19-light-bulb/index.md"
}