SP4044-04ATG

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  "type": "component",
  "slug": "sp4044-04atg",
  "title": "SP4044-04ATG",
  "brief": "Littelfuse TVS, MSOP-10. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "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",
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    "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"
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    },
    "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"
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        "pages": 4,
        "sha256": "decba90a59d598bd",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
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        "refuses_to_fabricate": true
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        "zmin_mm": 0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Littelfuse",
      "Package": "MSOP-10",
      "Category": "Circuit Protection",
      "Pins": "10"
    },
    "appearance": {
      "contacts": {
        "quote": "Lead Plating Pre-Plated Frame Lead Material Copper Alloy",
        "page": 3,
        "doc": "ds.pdf",
        "material": "Copper Alloy"
      },
      "version": 1,
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      "rows": [
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          "name": "Reverse Standoff Voltage",
          "symbol": "VRWM",
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          "unit": "V",
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          "max": 2.8,
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        },
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          "name": "Reverse Leakage Current",
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          "unit": "µA",
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        },
        {
          "name": "Clamp Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "conditions": "IPP=1A, tp=8/20µs, Fwd",
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        {
          "name": "ESD Withstand Voltage (Contact)",
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          "kind": "electrical",
          "unit": "kV",
          "min": -30,
          "typ": null,
          "max": 30,
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        },
        {
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        },
        {
          "name": "Peak Current",
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          "conditions": "tp=8/20μs",
          "source_page": 2,
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        },
        {
          "name": "Peak Pulse Power",
          "symbol": "PPK",
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          "unit": "W",
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          "typ": null,
          "max": 500,
          "conditions": "tp=8/20µs",
          "source_page": 2,
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        },
        {
          "name": "Operating Temperature",
          "symbol": "TOP",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTOR",
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          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
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        {
          "name": "Maximum Lead Temperature",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
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          "max": 260,
          "conditions": "Soldering 20-40s",
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        },
        {
          "name": "Dynamic Resistance",
          "symbol": "RDYN",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.22,
          "max": null,
          "conditions": "TLP tp=100ns, Pin 1 to Pin 2",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Diode Capacitance",
          "symbol": "CI/O-GND",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
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          "max": null,
          "conditions": "Reverse Bias=0V",
          "source_page": 2,
          "source": "datasheet"
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  "discovery_pitch": "SP4044-04ATG (Littelfuse) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
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