SMDJ12CA

{
  "schema_version": 1,
  "type": "component",
  "slug": "smdj12ca",
  "title": "SMDJ12CA",
  "brief": "YFW ESD And Surge Protection (TVS/ESD), DO-214AB(SMC). 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",
    "smdj12ca",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SMDJ12CA",
    "manufacturer": "YFW",
    "package": "DO-214AB(SMC)",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e5fe05bd15ec5bae4d0c19eb7d6344e4.pdf",
    "parts": {
      "symbol": "smdj12ca.kicad_sym",
      "footprint": "smdj12ca.kicad_mod",
      "model_3d": "smdj12ca-hero.glb",
      "model_3d_plain": "smdj12ca-etched.glb",
      "model_3d_step": "smdj12ca-etched.step",
      "model_3d_step_plain": "smdj12ca.step",
      "lbr": "smdj12ca.lbr"
    },
    "distributor_links": {
      "lcsc": "C2990238",
      "digikey": "SMDJ12CATR-ND",
      "mouser": "576-SMDJ12CA"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T12:14:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "SMDJ12CATR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "576-SMDJ12CA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "TVS terminal 1, labelled cathode in the datasheet pinning; on the bidirectional SMDJ12CA it has no polarity: VRWM 12.0V, VBR 13.3-14.7V at IT=1mA, VC max 19.9V at IPP 150.8A, IR max 2uA, PPPM 3000W (10x1000us)."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "TVS terminal 2, labelled anode in the datasheet pinning; on the bidirectional SMDJ12CA it is interchangeable with pin 1 and clamps symmetrically at VC max 19.9V at IPP 150.8A."
      }
    ],
    "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: Datasheet gives 'Pinning 1.Cathode 2.Anode' with both Unipolar and Bipolar symbols. SMDJ12CA is the ; The table columns on page 2 are flattened, so the 12V stand-off, breakdown, clamp and Ipp values for"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0562,
        "at": "2026-10-22T12:13:06"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e5fe05bd15ec5bae4d0c19eb7d6344e4.pdf",
        "pages": 4,
        "sha256": "75d9cace1dbb3fd3",
        "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": "smdj12ca.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": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smdj12ca-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": "25fbed9ed64589702e56b410e31ea7db9c5b445de8922f897e6eb906c46f1ec9",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "YFW",
      "Package": "DO-214AB(SMC)",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "Matte Tin Lead-free Plated MECHANICAL DATA",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "75d9cace1dbb3fd38188b9a76413be367347d83217cd7545a27fa6e6ffe47125"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "75d9cace1dbb3fd38188b9a76413be367347d83217cd7545a27fa6e6ffe47125",
      "rows": [
        {
          "name": "Reverse Stand-off Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "SMDJ12CA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 13.3,
          "typ": null,
          "max": 14.7,
          "conditions": "@ IT = 1 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Test Current",
          "symbol": "IT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max Clamp Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 19.9,
          "conditions": "@ IPP = 150.8 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max Peak Pulse Current",
          "symbol": "IPP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 150.8,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max Reverse Leakage",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "@ VR",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Power Dissipation",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 3000,
          "conditions": "Ta=25°C, 10x1000 us waveform",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Steady State Power Dissipation",
          "symbol": "PM(AV)",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 6.5,
          "conditions": "infinite heat sink, TA=50°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction and Storage Temperature Range",
          "symbol": "TJ,TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Lead",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "Typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "Typical",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "smdj12ca"
  ],
  "discovery_pitch": "SMDJ12CA (YFW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
  "files": [
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    "smdj12ca.step",
    "smdj12ca.lbr",
    "docs/hero.png",
    "docs/smdj12ca-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "smdj12ca-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}