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Ray Set visibility: public ed2423b 4h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "smaj440a",
  "title": "SMAJ440A",
  "brief": "ZHIDE ESD And Surge Protection (TVS/ESD), DO-214AC(SMA). 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",
    "smaj440a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SMAJ440A",
    "manufacturer": "ZHIDE",
    "package": "DO-214AC(SMA)",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f59c97db230a5b41b3a9ad9d00f6a142.pdf",
    "parts": {
      "symbol": "smaj440a.kicad_sym",
      "footprint": "smaj440a.kicad_mod",
      "model_3d": "smaj440a-hero.glb",
      "model_3d_plain": "smaj440a-etched.glb",
      "model_3d_step": "smaj440a-etched.step",
      "model_3d_step_plain": "smaj440a.step",
      "lbr": "smaj440a.lbr"
    },
    "distributor_links": {
      "lcsc": "C46527739"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:11:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode, marked by the color band on the unidirectional SMAJ440A (VRWM 440 V, VBR 492-543 V at 1 mA, VC max 713 V at 0.6 A IPP)."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode, the end opposite the color band on the unidirectional SMAJ440A; forward surge IFSM 40 A (8.3 ms half sine)."
      }
    ],
    "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 text gives no pin numbers or pinout drawing. It only says the color band marks the cat; SMAJ440A is the unidirectional 'A' part. The bidirectional SMAJ440CA has no cathode band and its two"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0952,
        "at": "2026-10-22T21:11:31"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f59c97db230a5b41b3a9ad9d00f6a142.pdf",
        "pages": 3,
        "sha256": "58664a01272ef59d",
        "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": "smaj440a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          2.7,
          2.22
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1cfddd4e3b1bf22b8fc6ee3258c2aade882ed7b85b528e23b9db42437775a1db",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smaj440a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          2.7,
          2.22
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4a8f264f28d8222178a783bccc70bc8563ce1d82e90f699ddde072ce2c352f30",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ZHIDE",
      "Package": "DO-214AC(SMA)",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "58664a01272ef59d1de61a342a9d5c3f881374fd3c1a0a482aae783e6829f36e",
      "rows": [
        {
          "name": "Reverse Stand-off Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 440,
          "max": null,
          "conditions": "SMAJ440A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 492,
          "typ": null,
          "max": 543,
          "conditions": "@ IT = 1 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max. Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 713,
          "conditions": "@ IPP = 0.6 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max. Peak Pulse Current",
          "symbol": "IPP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "10/1000 us waveform",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max. Reverse Leakage",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@ VRWM",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Test Current",
          "symbol": "IT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum instantaneous forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6.5,
          "conditions": "at 25 A, unidirectional only; VF<6.5V for VBR>201V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak power dissipation",
          "symbol": "PPP",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "10/1000 us waveform",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation on infinite heatsink",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "TL = 75 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak forward surge current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "8.3 ms single half sinewave, unidirectional only",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating junction and storage temperature range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "smaj440a"
  ],
  "discovery_pitch": "SMAJ440A (ZHIDE) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "smaj440a.kicad_sym",
    "smaj440a.kicad_mod",
    "smaj440a.glb",
    "smaj440a.step",
    "smaj440a.lbr",
    "docs/hero.png",
    "docs/smaj440a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "smaj440a-hero.glb",
    "smaj440a-hero.overlay.json",
    "smaj440a-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}