BTC401N

{
  "slug": "btc401n",
  "version": "0.1.0",
  "type": "component",
  "description": "BORN Gas Discharge Tube Arresters (GDT), 1812. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "btc401n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "btc401n.kicad_sym",
    "btc401n.kicad_mod",
    "btc401n.glb",
    "btc401n.step",
    "btc401n.lbr",
    "docs/hero.png",
    "docs/btc401n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "BTC401N",
    "manufacturer": "BORN",
    "package": "1812",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Gas Discharge Tube Arresters (GDT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905581877215232",
    "parts": {
      "symbol": "btc401n.kicad_sym",
      "footprint": "btc401n.kicad_mod",
      "model_3d": "btc401n-etched.glb",
      "model_3d_plain": "btc401n.glb",
      "model_3d_step": "btc401n-etched.step",
      "model_3d_step_plain": "btc401n.step",
      "lbr": "btc401n.lbr"
    },
    "distributor_links": {
      "lcsc": "C600777"
    },
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "passive",
        "description": "GDT anode/cathode terminal 1 (symmetric); conducts when voltage across terminals exceeds DC spark-over of 400 V ±30%; rated 2.0 kA impulse discharge at 8/20 µs, 4 kV withstand at 10/700 µs."
      },
      {
        "number": "2",
        "name": "A2",
        "type": "passive",
        "description": "GDT anode/cathode terminal 2 (symmetric); conducts when voltage across terminals exceeds DC spark-over of 400 V ±30%; rated 2.0 kA impulse discharge at 8/20 µs, 4 kV withstand at 10/700 µs."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-sonnet-4-6",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-4-7",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet contains no explicit pin-number labels (no '1' or '2') on either terminal in any drawi",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.1056,
        "at": "2026-09-21T20:29:49"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905581877215232",
        "pages": 4,
        "sha256": "2d7d15d8fda51ced",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "btc401n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.5,
          3.2,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1efc89b1825fb585a1cc77954655b8e0db16d3de91237adf42ce79142e58826d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "btc401n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.5,
          3.2,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ebec6dfb2a2282d0a6b64fb5ef7c931902919ee9bd786144d6484696b61cbfd8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}