main
Ray Set visibility: public 0bc34c3 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "smcj48ca-l",
  "title": "SMCJ48CA-L",
  "brief": "Shandong Jingdao Microelectronics ESD And Surge Protection (TVS/ESD), 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": [
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    "circuit protection",
    "smcj48ca-l",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "SMCJ48CA-L",
    "manufacturer": "Shandong Jingdao Microelectronics",
    "package": "SMC",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/166dc83c3c6d8d05696fbfbb10b1805c.pdf",
    "parts": {
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      "footprint": "smcj48ca-l.kicad_mod",
      "model_3d": "smcj48ca-l-hero.glb",
      "model_3d_plain": "smcj48ca-l-etched.glb",
      "model_3d_step": "smcj48ca-l-etched.step",
      "model_3d_step_plain": "smcj48ca-l.step",
      "lbr": "smcj48ca-l.lbr"
    },
    "distributor_links": {
      "lcsc": "C7470418"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T18:52:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Listed as Cathode in the PINNING table (unipolar); on the bipolar CA version this terminal is interchangeable with pin 2, with 48 V reverse stand-off voltage and 53.3 V to 58.9 V breakdown voltage."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Listed as Anode in the PINNING table (unipolar); on the bipolar CA version this terminal is interchangeable with pin 1, with 77.4 V maximum clamping voltage at 7.8 A peak pulse current."
      }
    ],
    "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: SMCJ48CA-L is the bidirectional (CA) variant. The pinning table gives Cathode/Anode names for pins 1; The datasheet is inconsistent about power rating. The header says 600W, the table says PPPM 600 W, a"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0569,
        "at": "2026-10-22T18:52:04"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/166dc83c3c6d8d05696fbfbb10b1805c.pdf",
        "pages": 4,
        "sha256": "fe884aa643fb34c4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "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": "smcj48ca-l-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3264519faf0384606a5af0c3389a4c492533faffb7cb7bd69199e168a6e689a2",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shandong Jingdao Microelectronics",
      "Package": "SMC",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "fe884aa643fb34c47e9eace2cfde3de477201293056fcb9ba4b0e2fe234ae4f4",
      "rows": [
        {
          "name": "Peak Pulse Power Dissipation on 10/1000 us waveform",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "10/1000 us waveform",
          "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 Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "Note 1",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Thermal Resistance Junction to Lead",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "Note 1",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse Stand-off Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 48,
          "max": null,
          "conditions": "Ta = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 53.3,
          "typ": null,
          "max": 58.9,
          "conditions": "@ IT = 1 mA, Ta = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Test Current",
          "symbol": "IT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "Ta = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 77.4,
          "conditions": "@ IPP = 7.8 A, Ta = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current",
          "symbol": "IPP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 7.8,
          "conditions": "10/1000 us waveform, Ta = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Reverse Leakage",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@ VRWM, Ta = 25°C",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "smcj48ca-l"
  ],
  "discovery_pitch": "SMCJ48CA-L (Shandong Jingdao Microelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "path": "docs/hero.png"
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    "smcj48ca-l.lbr",
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  "visibility": {
    "public": true
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}