SMCJ90A

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  "schema_version": 1,
  "type": "component",
  "slug": "smcj90a",
  "title": "SMCJ90A",
  "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",
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  "component": {
    "mpn": "SMCJ90A",
    "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/a75f51e8e142e827517b7e9c62757316.pdf",
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      "lbr": "smcj90a.lbr"
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    "distributor_links": {
      "lcsc": "C49066974"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T13:29:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode terminal of the SMCJ90A unidirectional TVS diode, which is the polarity-marked end per the datasheet pinning (1.Cathode), and the device is rated for 1500 W peak pulse power on a 10/1000 µs waveform."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode terminal of the SMCJ90A unidirectional TVS diode, paired with pin 1 Cathode per the datasheet pinning (2.Anode), and the device is rated for a maximum operating junction and storage temperature range of -65 to +150 °C."
      }
    ],
    "provenance": {
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      "factory_chain": {
        "factory": "2.0.0",
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        "primary_model": "claude-haiku-5-5",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives only a two-terminal pinning (1 = Cathode, 2 = Anode) for DO-214AB/SMC and does n; The MPN SMCJ90A (no 'CA' suffix) is the unidirectional variant; the pinning figure shows both Unipol"
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        "cost_usd": 0.0297,
        "at": "2026-10-21T13:25:29"
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        "pages": 5,
        "sha256": "51d1b221ae680dfb",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "30dab4c2e22239b7e3694a4d45304e04255c6b70a79d28e9c34c6072ba647991",
        "checked": "2026-10-21",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "YFW",
      "Package": "DO-214AB(SMC)",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "51d1b221ae680dfb306c8954c47b61c173ed526bb60ac14db85fd9ae71692abf",
      "rows": [
        {
          "name": "Peak Pulse Power Dissipation on 10/1000 us waveform",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1500,
          "conditions": "10/1000 us waveform",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Forward Surge Current, 8.3ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method)",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "UNI, 8.3ms single half sine-wave, JEDEC method",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation on infinite heat sink",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 6.5,
          "conditions": "Infinite heat sink at TA=50 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum instantaneous forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.5,
          "conditions": "at 100 A, unidirectional only",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical thermal resistance junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "Mounted on 8 mm2 (0.13mm thick) land areas (Note 1)",
          "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": "",
          "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": "Breakdown voltage, minimum (SMCJ90A unidirectional)",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "@ IT = 1 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Breakdown voltage, maximum (SMCJ90A unidirectional)",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 111,
          "conditions": "@ IT = 1 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max. clamp voltage (SMCJ90A unidirectional)",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 146,
          "conditions": "@ IPP = 10.3 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max. peak pulse current (SMCJ90A unidirectional)",
          "symbol": "IPP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 10.3,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max. reverse leakage current (SMCJ90A unidirectional)",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@ VR = 90 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse working (standoff) voltage (SMCJ90A unidirectional)",
          "symbol": "VRMW",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 90,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "SMCJ90A (YFW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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