SJD12C90L01

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  "slug": "sjd12c90l01",
  "title": "SJD12C90L01",
  "brief": "Liown ESD And Surge Protection (TVS/ESD), SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "subcategory": "ESD And Surge Protection (TVS/ESD)",
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    "distributor_links": {
      "lcsc": "C5125138"
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      "checked_at": "2026-10-17T15:48:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
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      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "passive",
        "description": "Bidirectional TVS terminal with 90V reverse stand-off, 100V to 111V breakdown at 1mA and 146V maximum clamping at 1.4A peak pulse current; interchangeable with the other terminal."
      },
      {
        "number": "2",
        "name": "A2",
        "type": "passive",
        "description": "Bidirectional TVS terminal with 90V reverse stand-off, 100V to 111V breakdown at 1mA and 146V maximum clamping at 1.4A peak pulse current; interchangeable with the other terminal."
      }
    ],
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        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet never prints pin numbers or pin names. The package drawing on page 6 shows only two en; The package hint was SOD-123, but the datasheet names the package SOD-123FL (flat lead). I used SOD-",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "at": "2026-10-17T15:47:03"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "total": 2,
        "described": 2,
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        "refuses_to_fabricate": true
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "132323445e3d1f9231e81c083cd88a33cd204dd8b96063bb2ed1f3ab4470c7e7",
        "checked": "2026-10-17",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Liown",
      "Package": "SOD-123",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "2. Each terminal is surface Mounted on the 5.0mm×5.0mm (0.03mm thick) copper pads.",
        "page": 1,
        "doc": "ds.pdf",
        "material": "copper"
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          "name": "Breakdown voltage (min)",
          "symbol": "VB",
          "kind": "electrical",
          "unit": "V",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "@IT test current 1 mA (bidirectional C variant)",
          "source_page": 3,
          "source": "datasheet"
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          "name": "Breakdown voltage (max)",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 111,
          "conditions": "@IT test current 1 mA (bidirectional C variant)",
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          "source": "datasheet"
        },
        {
          "name": "Maximum clamping voltage",
          "symbol": "VC",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 146,
          "conditions": "@IPP peak pulse current 1.4 A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak pulse power dissipation at 8/20μs waveform",
          "symbol": "PPPM",
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          "typ": null,
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        {
          "name": "Peak pulse power dissipation at 10/1000μs waveform",
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          "min": null,
          "typ": null,
          "max": 200,
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        },
        {
          "name": "Steady state power dissipation",
          "symbol": "PM(AV)",
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          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "at TL=75℃ (Fig.5)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating junction and storage temperature range",
          "symbol": "TJ,TSTG",
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          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Typical thermal resistance junction to lead",
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          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical thermal resistance junction to ambient",
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          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 220,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse stand-off voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse leakage current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "@VR reverse stand-off voltage (90 V)",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "SJD12C90L01 (Liown) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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