main
Ray Set visibility: public 48acaae 4h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "esd5401n-2",
  "title": "ESD5401N-2",
  "brief": "WILLSEMI(Will Semicon) ESD Protection Devices, DFN1006-2L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "tags": [
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    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "ESD5401N-2",
    "manufacturer": "WILLSEMI(Will Semicon)",
    "package": "DFN1006-2L",
    "pin_count": 2,
    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "ESD Protection Devices",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d7e0650eab74c31206a2eb29bba7c5d4.pdf",
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      "lbr": "esd5401n-2.lbr"
    },
    "distributor_links": {
      "lcsc": "C239693"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T05:49:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Pin1",
        "type": "passive",
        "description": "Pin 1 is one terminal of the uni-directional TVS line, which is rated for 24 V maximum reverse working voltage (VRWM) and 8 A peak pulse current (tp = 8/20µs) across the device."
      },
      {
        "number": "2",
        "name": "Pin2",
        "type": "passive",
        "description": "Pin 2 is the other terminal of the uni-directional TVS line, which is rated for 24 V maximum reverse working voltage (VRWM) and 8 A peak pulse current (tp = 8/20µs) across the device."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-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 labels the terminals only as Pin1 and Pin2 and does not state which is anode and which; The marking 'K' on the top view is described as the device code, not a cathode label, so it was not ; The order information lists ESD5401N-2/TR in DFN1006-2L, which matches the package hint. The pin des"
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        "at": "2026-10-21T05:45:51"
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        "pages": 6,
        "sha256": "bffc7511cfa19b01",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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    "viewers": {
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b109a9e50feebcf8bae5a230cf805dc06e2eb2b9d976f1922b195c16710c5415",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "sha256": "a22b42adbafc99a3d26105621efd52701b00b51dd12160c024402120061f0548",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "WILLSEMI(Will Semicon)",
      "Package": "DFN1006-2L",
      "Category": "TVS/Fuse/Board Level Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "bffc7511cfa19b01065f3a3efc12cad5821c563cff1022ca10f39bd21aa770d7",
      "rows": [
        {
          "name": "ESD contact discharge (IEC61000-4-2)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "ESD according to IEC61000-4-2 contact discharge",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD air discharge (IEC61000-4-2)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "ESD according to IEC61000-4-2 air discharge",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak pulse power",
          "symbol": "Ppk",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 360,
          "conditions": "tp = 8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak pulse current",
          "symbol": "IPP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "tp = 8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Operating temperature",
          "symbol": "TOP",
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          "unit": "oC",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Lead temperature",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Reverse maximum working voltage",
          "symbol": "VRWM",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse leakage current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 1,
          "max": 50,
          "conditions": "VRWM = 24V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse breakdown voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 27,
          "typ": 29,
          "max": 33,
          "conditions": "IT = 1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.65,
          "typ": 0.83,
          "max": 1.25,
          "conditions": "IF = 20mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping voltage (TLP)",
          "symbol": "VCL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "IPP = 16A, tp = 100ns",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dynamic resistance (TLP)",
          "symbol": "RDYN",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Clamping voltage (8/20μs)",
          "symbol": "VCL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 33,
          "max": null,
          "conditions": "IPP = 1A, tp = 8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping voltage (8/20μs)",
          "symbol": "VCL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "IPP = 8A, tp = 8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction capacitance",
          "symbol": "CJ",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 42,
          "max": 50,
          "conditions": "VR = 0V, f = 1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction capacitance",
          "symbol": "CJ",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 12,
          "max": 15,
          "conditions": "VR = 24V, f = 1MHz",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "ESD5401N-2 (WILLSEMI(Will Semicon)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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