main
Ray Set visibility: public 120ab8c 6d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "smcj24a-at",
  "title": "SMCJ24A-AT",
  "brief": "Brightking Elec (TAIWAN) TVS, SMC(DO-214AB). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "circuit protection",
    "smcj24a-at",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SMCJ24A-AT",
    "manufacturer": "Brightking Elec (TAIWAN)",
    "package": "SMC(DO-214AB)",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ec398b4869d5dec12391408619095baa.pdf",
    "parts": {
      "symbol": "smcj24a-at.kicad_sym",
      "footprint": "smcj24a-at.kicad_mod",
      "model_3d": "smcj24a-at-hero.glb",
      "model_3d_plain": "smcj24a-at-etched.glb",
      "model_3d_step": "smcj24a-at-etched.step",
      "model_3d_step_plain": "smcj24a-at.step",
      "lbr": "smcj24a-at.lbr"
    },
    "distributor_links": {
      "lcsc": "C473862"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T12:35:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the unidirectional TVS, marked by the color band on the package; for SMCJ24A-AT VRWM is 24.0V, VBR is 26.70~29.50V at 1mA and VC is 38.9V at IPP 38.6A."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode of the unidirectional TVS, the terminal opposite the cathode band; the device withstands 1500W minimum peak pulse power at 10/1000μs."
      }
    ],
    "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: The datasheet gives no pin numbers or pin table. It only shows a two-terminal DO-214AB body with a c"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0659,
        "at": "2026-10-31T12:34:48"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ec398b4869d5dec12391408619095baa.pdf",
        "pages": 6,
        "sha256": "4581091326fcb3c3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "smcj24a-at.step",
        "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": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smcj24a-at-etched.step",
        "role": "eda",
        "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": "9ab61ef0f04e5e5ec94aecf4964c8b0a2b32706c8c184d5e253db2a7943ddc08",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SMC (DO-214AB)",
      "source_page": 2,
      "D": {
        "nom_mm": 5.905,
        "range_mm": [
          5.59,
          6.22
        ]
      },
      "E1": {
        "nom_mm": 6.855,
        "range_mm": [
          6.6,
          7.11
        ]
      },
      "E": {
        "nom_mm": 7.94,
        "range_mm": [
          7.75,
          8.13
        ]
      },
      "A": {
        "nom_mm": 2.5,
        "range_mm": [
          2.2,
          2.8
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "smcj24a-at.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Brightking Elec (TAIWAN)",
      "Package": "SMC(DO-214AB)",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "2. Mounted on 8.0mm×8.0mm copper pads to each terminal.",
        "page": 1,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "4581091326fcb3c386b28e291eb76edb6c3a4990da665c2ba49720e7e23353ae"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4581091326fcb3c386b28e291eb76edb6c3a4990da665c2ba49720e7e23353ae",
      "rows": [
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 26.7,
          "typ": null,
          "max": 29.5,
          "conditions": "@IT=1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 38.9,
          "conditions": "@IPP=38.6A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current",
          "symbol": "IPP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 38.6,
          "conditions": "10/1000μs waveform",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@VRWM=24V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Stand-Off Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 24,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Breakdown Voltage Test Current",
          "symbol": "IT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak pulse power dissipation",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "Watts",
          "min": 1500,
          "typ": null,
          "max": null,
          "conditions": "10/1000μs waveform, minimum",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Steady state power dissipation",
          "symbol": "PM(AV)",
          "kind": "absolute_maximum",
          "unit": "Watts",
          "min": null,
          "typ": null,
          "max": 6.5,
          "conditions": "TA=50℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak forward surge current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "Amps",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "8.3ms single half sine-wave superimposed on rated load",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating junction and storage temperature",
          "symbol": "TJ,TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to lead",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Breakdown voltage tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "A suffix: 5% VBR tolerance",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "smcj24a-at"
  ],
  "discovery_pitch": "SMCJ24A-AT (Brightking Elec (TAIWAN)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "smcj24a-at.kicad_sym",
    "smcj24a-at.kicad_mod",
    "smcj24a-at.glb",
    "smcj24a-at.step",
    "smcj24a-at.lbr",
    "docs/hero.png",
    "docs/smcj24a-at-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "smcj24a-at-hero.glb",
    "smcj24a-at-hero.overlay.json",
    "smcj24a-at-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}