P6SMBJ78A

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  "schema_version": 1,
  "type": "component",
  "slug": "p6smbj78a",
  "title": "P6SMBJ78A",
  "brief": "PANJIT International ESD Protection Devices, SMB(DO-214AA). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "P6SMBJ78A",
    "manufacturer": "PANJIT International",
    "package": "SMB(DO-214AA)",
    "pin_count": 2,
    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "ESD Protection Devices",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ec4190857e14712940be8aeab7957f68.pdf",
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    "distributor_links": {
      "lcsc": "C2892238"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T09:50:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
        "status": "quota"
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    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode, the end marked by the color band; for the unidirectional P6SMBJ78A this is the terminal that goes positive relative to the anode, with VRWM 78 V, breakdown 86.7 to 95.8 V at 1 mA, and max clamp 126 V at 4.7 A (10/1000μs)."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode, the terminal opposite the color band; the 600 W (10/1000μs) transient suppressor conducts forward from here to the cathode, with a peak forward surge current of 100 A (8.3 ms half sine)."
      }
    ],
    "provenance": {
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.0832,
        "at": "2026-10-27T09:49:43"
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        "pages": 7,
        "sha256": "0f8bd15f54419358",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "029466277d91e9f5492556be93e46611049e07115c7913880c547afa96058ed4",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "PANJIT International",
      "Package": "SMB(DO-214AA)",
      "Category": "TVS/Fuse/Board Level Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0f8bd15f54419358348ca24cfe76c1a97f81fa95be3ab21ca5d23f811ce4cd22",
      "rows": [
        {
          "name": "Reverse Stand-off Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 78,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 86.7,
          "typ": null,
          "max": 95.8,
          "conditions": "@ IT = 1 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@ VRWM, unidirectional",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Max. Clamp Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 126,
          "conditions": "@ IPP, 10/1000μs",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current",
          "symbol": "IPP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 4.7,
          "max": null,
          "conditions": "10/1000μs",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Power Dissipation",
          "symbol": "PPP",
          "kind": "absolute_maximum",
          "unit": "Watts",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "tp=10/1000μs waveform (Notes 1,2, Fig.1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Forward Surge Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "Amps",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "8.3ms single half sine-wave superimposed on rated load (Notes 2,3)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "ESD IEC-61000-4-2 (Air and Contact)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction and Storage Temperature Range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Thermal Resistance Junction to Air",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "Note 2",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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    "email": "[email protected]"
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