SMBJ13A-AT

{
  "slug": "smbj13a-at",
  "version": "0.1.0",
  "type": "component",
  "description": "Brightking Elec (TAIWAN) TVS, SMB(DO-214AA). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "smbj13a-at",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "smbj13a-at.kicad_sym",
    "smbj13a-at.kicad_mod",
    "smbj13a-at.glb",
    "smbj13a-at.step",
    "smbj13a-at.lbr",
    "docs/hero.png",
    "docs/smbj13a-at-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "smbj13a-at-hero.glb",
    "smbj13a-at-hero.overlay.json",
    "smbj13a-at-etched.glb"
  ],
  "component": {
    "mpn": "SMBJ13A-AT",
    "manufacturer": "Brightking Elec (TAIWAN)",
    "package": "SMB(DO-214AA)",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2e97ff92ff70855aa2a3bf16da656b01.pdf",
    "parts": {
      "symbol": "smbj13a-at.kicad_sym",
      "footprint": "smbj13a-at.kicad_mod",
      "model_3d": "smbj13a-at-hero.glb",
      "model_3d_plain": "smbj13a-at-etched.glb",
      "model_3d_step": "smbj13a-at-etched.step",
      "model_3d_step_plain": "smbj13a-at.step",
      "lbr": "smbj13a-at.lbr"
    },
    "distributor_links": {
      "lcsc": "C523291"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T18:37:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode, identified by the color band on the unidirectional SMBJ13A-AT (VRWM 13.0V, VBR 14.40~15.90V at 1mA, VC 21.5V at IPP 28.0A)."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode terminal of the unidirectional SMBJ13A-AT, opposite the cathode band end; the datasheet gives no pin numbers."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives no pin numbers or pin table for the SMB package. Pins 1 (cathode) and 2 (anode) "
        ],
        "pages_sent": 7,
        "cost_usd": 0.0674,
        "at": "2026-10-31T18:37:23"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2e97ff92ff70855aa2a3bf16da656b01.pdf",
        "pages": 7,
        "sha256": "a2bc93a3b45c5e72",
        "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": "smbj13a-at.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.3,
          3.55,
          2.15
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "029466277d91e9f5492556be93e46611049e07115c7913880c547afa96058ed4",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smbj13a-at-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.3,
          3.55,
          2.15
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b7d387a43f8b4ac33c02d3d354760ca12c5fe15586a8de1461dff5a046e94508",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SMB (DO-214AA)",
      "source_page": 2,
      "D": {
        "nom_mm": 3.62,
        "range_mm": [
          3.3,
          3.94
        ]
      },
      "E1": {
        "nom_mm": 4.315,
        "range_mm": [
          4.06,
          4.57
        ]
      },
      "E": {
        "nom_mm": 5.4,
        "range_mm": [
          5.21,
          5.59
        ]
      },
      "A": {
        "nom_mm": 2.4,
        "range_mm": [
          2.15,
          2.65
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "smbj13a-at.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}