SMF48CA

{
  "schema_version": 1,
  "type": "component",
  "slug": "smf48ca",
  "title": "SMF48CA",
  "brief": "Shandong Jingdao Microelectronics TVS, SOD-123FL. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "SMF48CA",
    "manufacturer": "Shandong Jingdao Microelectronics",
    "package": "SOD-123FL",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e2079ce6902d97aebf17ffdc9542d2e7.pdf",
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      "lbr": "smf48ca.lbr"
    },
    "distributor_links": {
      "lcsc": "C52195216",
      "digikey": "18-SMF48CATR-ND",
      "mouser": "576-SMF48CA"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T05:45:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "18-SMF48CATR-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "576-SMF48CA",
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    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode terminal as listed in the PINNING table; the datasheet symbol shows both unipolar and bipolar forms, so this label applies to the unidirectional symbol."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode terminal as listed in the PINNING table; the datasheet symbol shows both unipolar and bipolar forms, so this label applies to the unidirectional symbol."
      }
    ],
    "provenance": {
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        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: SMF48CA is the bidirectional (CA suffix) variant, but the datasheet gives only one pinning table (Pi; The datasheet has no pin-position drawing that maps pin numbers to physical sides; pin numbers come "
        ],
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        "cost_usd": 0.03,
        "at": "2026-10-21T05:42:20"
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        "pages": 4,
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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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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.6,
          1.1
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "132323445e3d1f9231e81c083cd88a33cd204dd8b96063bb2ed1f3ab4470c7e7",
        "checked": "2026-10-21",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shandong Jingdao Microelectronics",
      "Package": "SOD-123FL",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "2. Mounted on 5mm copper pads to each terminal",
        "page": 1,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "815402489fb370678b50ec2cc9ec01b51917b7d4b54d25eae2ef6e473fde1ecf"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "815402489fb370678b50ec2cc9ec01b51917b7d4b54d25eae2ef6e473fde1ecf",
      "rows": [
        {
          "name": "Breakdown voltage (min) at IT",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 53.3,
          "typ": null,
          "max": null,
          "conditions": "@ IT (test current, Table 1)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Breakdown voltage (max) at IT",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 58.9,
          "conditions": "@ IT (test current, Table 1)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum clamp voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 77.4,
          "conditions": "@ IPP",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak pulse power dissipation",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "TA=25°C, 10/1000us waveform (Notes 1,2,5, Fig 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Steady state power dissipation",
          "symbol": "PM(AV)",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "TL=75°C (Note 4)",
          "source_page": 1,
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        },
        {
          "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 ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 180,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Working peak reverse voltage (stand-off)",
          "symbol": "VRWM",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": 48,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse leakage current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "@ VRWM",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak pulse current",
          "symbol": "IPP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 2.6,
          "max": null,
          "conditions": "10/1000us waveform (Note 1)",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "SMF48CA (Shandong Jingdao Microelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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