SMBJ30A

{
  "slug": "smbj30a",
  "version": "0.1.0",
  "type": "component",
  "description": "hongjiacheng ESD And Surge Protection (TVS/ESD), DO-214AA(SMB). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "smbj30a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "smbj30a.kicad_sym",
    "smbj30a.kicad_mod",
    "smbj30a.glb",
    "smbj30a.step",
    "smbj30a.lbr",
    "docs/hero.png",
    "docs/smbj30a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "smbj30a-hero.glb",
    "smbj30a-hero.overlay.json"
  ],
  "component": {
    "mpn": "SMBJ30A",
    "manufacturer": "hongjiacheng",
    "package": "DO-214AA(SMB)",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756497656158007296",
    "parts": {
      "symbol": "smbj30a.kicad_sym",
      "footprint": "smbj30a.kicad_mod",
      "model_3d": "smbj30a-hero.glb",
      "model_3d_plain": "smbj30a.glb",
      "model_3d_step": "smbj30a-etched.step",
      "model_3d_step_plain": "smbj30a.step",
      "lbr": "smbj30a.lbr"
    },
    "distributor_links": {
      "lcsc": "C19077584",
      "digikey": "SMBJ30ALFTR-ND",
      "mouser": "504-SMBJE30A"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T13:59:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "SMBJ30ALFTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "504-SMBJE30A",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode terminal, marked by the cathode band on the unidirectional SMBJ30A, which connects to the protected line (positive side) and has VRWM 30.0 V, VBR 33.30 to 36.80 V at 1 mA, and VC 48.4 V at IPP 12.40 A."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode terminal at the end opposite the cathode band, which connects to ground or the return side, and the unidirectional device has VF of 3.5 V at 25 A (VF 3.5/5.0 V per the ratings table)."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet prints no pin numbers. The package drawing shows only a cathode band (unidirectional p; SMBJ30A (suffix A with no C) is the unidirectional version, so polarity matters. The bidirectional S",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.1403,
        "at": "2026-10-12T13:58:53"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756497656158007296",
        "pages": 5,
        "sha256": "a983fd4d2da94c77",
        "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": "smbj30a.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": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smbj30a-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": "546aa29f2b60b0fd2581d59927a47ea23d98b4444c00ffa6cfa7fcecfc64308f",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}