SP4044-04ATG

{
  "slug": "sp4044-04atg",
  "version": "0.1.0",
  "type": "component",
  "description": "Littelfuse TVS, MSOP-10. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "sp4044-04atg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sp4044-04atg.kicad_sym",
    "sp4044-04atg.kicad_mod",
    "sp4044-04atg.glb",
    "sp4044-04atg.step",
    "sp4044-04atg.lbr",
    "docs/hero.png",
    "docs/sp4044-04atg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sp4044-04atg-hero.glb",
    "sp4044-04atg-hero.overlay.json",
    "sp4044-04atg-etched.glb"
  ],
  "component": {
    "mpn": "SP4044-04ATG",
    "manufacturer": "Littelfuse",
    "package": "MSOP-10",
    "pin_count": 10,
    "category": "Circuit Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0c8f9921f58ed42f00fc05580d3acd10.pdf",
    "parts": {
      "symbol": "sp4044-04atg.kicad_sym",
      "footprint": "sp4044-04atg.kicad_mod",
      "model_3d": "sp4044-04atg-hero.glb",
      "model_3d_plain": "sp4044-04atg-etched.glb",
      "model_3d_step": "sp4044-04atg-etched.step",
      "model_3d_step_plain": "sp4044-04atg.step",
      "lbr": "sp4044-04atg.lbr"
    },
    "distributor_links": {
      "lcsc": "C1975848",
      "digikey": "F7188TR-ND",
      "mouser": "576-SP4044-04ATG"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:24:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "F7188TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "576-SP4044-04ATG",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "I/O 1",
        "type": "passive",
        "description": "ESD/surge-protected I/O channel 1 with 1.5pF (TYP) capacitance to GND, rated for 24A (8/20μs) and ±30kV IEC 61000-4-2 contact/air."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference, internally connected to pin 8 as the common return for all diode channels."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "5",
        "name": "I/O 2",
        "type": "passive",
        "description": "ESD/surge-protected I/O channel 2 with 1.5pF (TYP) capacitance to GND, rated for 24A (8/20μs) and ±30kV IEC 61000-4-2 contact/air."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "7",
        "name": "I/O 3",
        "type": "passive",
        "description": "ESD/surge-protected I/O channel 3 with 1.5pF (TYP) capacitance to GND, rated for 24A (8/20μs) and ±30kV IEC 61000-4-2 contact/air."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference, internally connected to pin 3 as the common return for all diode channels."
      },
      {
        "number": "9",
        "name": "I/O 4",
        "type": "passive",
        "description": "ESD/surge-protected I/O channel 4 with 1.5pF (TYP) capacitance to GND, rated for 24A (8/20μs) and ±30kV IEC 61000-4-2 contact/air."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      }
    ],
    "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 pinout graphic on page 1 is garbled in the extracted text. The block diagram labels Pin1, Pin5, ; Pin type is set to passive for the TVS I/O pins. The datasheet gives no ERC type.",
          "2/10 pins cited to the wrong page (name found elsewhere): ['7:NC@p1', '9:NC@p1']"
        ],
        "pages_sent": 4,
        "cost_usd": 0.1111,
        "at": "2026-10-23T09:24:32"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0c8f9921f58ed42f00fc05580d3acd10.pdf",
        "pages": 4,
        "sha256": "decba90a59d598bd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "sp4044-04atg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b8f88eac3ce221c2ccb0b5048f9ad49c2ef4af148f8ae50c4e232e357683f547",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sp4044-04atg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "sha256": "071d3f2f986371c4ebd79792ec873eb80b48f31646e5e4e353bd599d9fb11639",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}