SMBJ220A

{
  "slug": "smbj220a",
  "version": "0.1.0",
  "type": "component",
  "description": "JUXING Electrostatic And Surge Protection (TVS/ESD), SMB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "tvs-fuse-board level protection",
    "smbj220a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "smbj220a.kicad_sym",
    "smbj220a.kicad_mod",
    "smbj220a.glb",
    "smbj220a.step",
    "smbj220a.lbr",
    "docs/hero.png",
    "docs/smbj220a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "smbj220a-hero.glb",
    "smbj220a-hero.overlay.json",
    "smbj220a-etched.glb"
  ],
  "component": {
    "mpn": "SMBJ220A",
    "manufacturer": "JUXING",
    "package": "SMB",
    "pin_count": 2,
    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "Electrostatic And Surge Protection (TVS/ESD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7d7e1c301fb5d6fd504a88de80b8e4cd.pdf",
    "parts": {
      "symbol": "smbj220a.kicad_sym",
      "footprint": "smbj220a.kicad_mod",
      "model_3d": "smbj220a-hero.glb",
      "model_3d_plain": "smbj220a-etched.glb",
      "model_3d_step": "smbj220a-etched.step",
      "model_3d_step_plain": "smbj220a.step",
      "lbr": "smbj220a.lbr"
    },
    "distributor_links": {
      "lcsc": "C5174760"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T12:20:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode terminal of the unipolar (UNI) TVS per the PINNING table; the datasheet states no separate voltage or current limit for this pin, and the SMBJ220A (A suffix, not CA) is the unipolar variant."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode terminal of the unipolar (UNI) TVS per the PINNING table; the datasheet states no separate voltage or current limit for this pin, and the SMBJ220A (A suffix, not CA) is the unipolar variant."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The PINNING table on page 1 is garbled in the text extraction and lists both Unipolar and Bipolar sy; The datasheet does not state which terminal carries the cathode band on the SMB outline, so the phys"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0264,
        "at": "2026-10-21T12:13:28"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/7d7e1c301fb5d6fd504a88de80b8e4cd.pdf",
        "pages": 4,
        "sha256": "ab4c8155c5d7d83f",
        "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": "smbj220a.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": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smbj220a-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": "3231830674667f4ba50c70f767ceba4cc8589fa20a72df030f8b419ebdac20e1",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}