SMCJ12A-E3

{
  "schema_version": 1,
  "type": "component",
  "slug": "smcj12a-e3",
  "title": "SMCJ12A-E3",
  "brief": "Vishay Intertech ESD And Surge Protection (TVS/ESD), SMC(DO-214AB). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "circuit protection",
    "smcj12a-e3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SMCJ12A-E3",
    "manufacturer": "Vishay Intertech",
    "package": "SMC(DO-214AB)",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588917055840268288",
    "parts": {
      "symbol": "smcj12a-e3.kicad_sym",
      "footprint": "smcj12a-e3.kicad_mod",
      "model_3d": "smcj12a-e3-hero.glb",
      "model_3d_plain": "smcj12a-e3-etched.glb",
      "model_3d_step": "smcj12a-e3-etched.step",
      "model_3d_step_plain": "smcj12a-e3.step",
      "lbr": "smcj12a-e3.lbr"
    },
    "distributor_links": {
      "lcsc": "C968574"
    },
    "distributor_check": {
      "checked_at": "2026-10-13T12:40:11Z",
      "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 terminal, the end marked with the cathode band on this uni-directional SMCJ12A (VWM 12 V, VBR 13.3 V to 14.7 V at 1.0 mA, VC 19.9 V at IPPM 75.4 A)."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode terminal, the unbanded end of the uni-directional SMCJ12A; the 1500 W (10/1000 µs) device is connected reverse-biased so the cathode sits at the more positive potential."
      }
    ],
    "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 package drawing on page 4 shows only a cathode band and two terminals. It prints no pin numbers.; The SMCJ12A is uni-directional, so the band marks the cathode. The bi-directional SMCJ12CA has no po",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.1348,
        "at": "2026-10-13T12:39:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588917055840268288",
        "pages": 5,
        "sha256": "1c6c503a574ddf38",
        "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": "smcj12a-e3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8,
          5.9,
          2.31
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "30dab4c2e22239b7e3694a4d45304e04255c6b70a79d28e9c34c6072ba647991",
        "checked": "2026-10-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smcj12a-e3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8,
          5.9,
          2.31
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "13e3d20eafc9b9fc6e42fe6f0792d5e640ba6ecaa48a93b544a8dc56f34a658b",
        "checked": "2026-10-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Vishay Intertech",
      "Package": "SMC(DO-214AB)",
      "Category": "Circuit Protection",
      "Pins": "2"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "smcj12a-e3"
  ],
  "discovery_pitch": "SMCJ12A-E3 (Vishay Intertech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "smcj12a-e3.kicad_sym",
    "smcj12a-e3.kicad_mod",
    "smcj12a-e3.glb",
    "smcj12a-e3.step",
    "smcj12a-e3.lbr",
    "docs/hero.png",
    "docs/smcj12a-e3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "smcj12a-e3-hero.glb",
    "smcj12a-e3-hero.overlay.json",
    "smcj12a-e3-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}