main
Ray Set visibility: public 6bb6333 20d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "pesd2ivn27u-qx",
  "title": "PESD2IVN27U-QX",
  "brief": "Nexperia ESD And Surge Protection (TVS/ESD), SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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  "component": {
    "mpn": "PESD2IVN27U-QX",
    "manufacturer": "Nexperia",
    "package": "SOT-323",
    "pin_count": 3,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604330348985659392",
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      "lbr": "pesd2ivn27u-qx.lbr"
    },
    "distributor_links": {
      "lcsc": "C20235767",
      "digikey": "1727-PESD2IVN27U-QXTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:42:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1727-PESD2IVN27U-QXTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "K1",
        "type": "passive",
        "description": "Cathode of diode 1, one of the two protected bus lines; the datasheet measures clamping voltage from pin 1 to pin 3 (VCL = 36 V typical at IPPM = 3 A, tp = 8/20 µs)."
      },
      {
        "number": "2",
        "name": "K2",
        "type": "passive",
        "description": "Cathode of diode 2, the second protected bus line; the datasheet measures clamping voltage from pin 2 to pin 3 (same test conditions as pin 1)."
      },
      {
        "number": "3",
        "name": "K",
        "type": "passive",
        "description": "Common cathode shared by both ESD protection diodes, serving as the reference terminal for the clamping measurements on pins 1 and 2."
      }
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    "provenance": {
      "extractor": "extract_pins 0.3",
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        "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: Pin types are mapped to KiCad 'passive' because the datasheet only describes the terminals as diode "
        ],
        "pages_sent": 12,
        "cost_usd": 0.0423,
        "at": "2026-10-18T22:42:22"
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      "datasheet": {
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        "pages": 12,
        "sha256": "c7dd9a1b8837783a",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "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": "acbf75a28fe41aa90efb38cd2b78220968d6eb6ebae1625dfd532dbeb268fece",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pesd2ivn27u-qx-etched.step",
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        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "SOT-323",
      "Category": "Circuit Protection",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "c7dd9a1b8837783aa86834ebe0419272f44c56efe506ff726c74231df7746eae",
      "rows": [
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          "name": "breakdown voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 28,
          "typ": 33,
          "max": 38,
          "conditions": "IR = 10 mA; Tamb = 25 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "reverse standoff voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 27,
          "conditions": "Tamb = 25 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "reverse leakage current",
          "symbol": "IRM",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 1,
          "max": 50,
          "conditions": "VRWM = 27 V; Tamb = 25 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "diode capacitance",
          "symbol": "Cd",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 14,
          "max": 17,
          "conditions": "f = 1 MHz; VR = 0 V; Tamb = 25 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "clamping voltage",
          "symbol": "VCL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 34,
          "max": 43,
          "conditions": "IPPM = 1 A; tp = 8/20 µs; Tamb = 25 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "clamping voltage",
          "symbol": "VCL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 36,
          "max": 45,
          "conditions": "IPPM = 3 A; tp = 8/20 µs; Tamb = 25 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "rated peak pulse current",
          "symbol": "IPPM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "tp = 8/20 µs",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
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          "conditions": "",
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        {
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          "unit": "°C",
          "min": -55,
          "typ": null,
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          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "storage temperature",
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          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "electrostatic discharge voltage (ESD maximum rating)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "IEC 61000-4-2; contact discharge",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "clamping voltage",
          "symbol": "VCL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 35,
          "max": null,
          "conditions": "IPP = 16 A; Tp = TLP; Tamb = 25 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "dynamic resistance",
          "symbol": "Rdyn",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "IR = 10 A; Tamb = 25 °C",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
    "pesd2ivn27u-qx"
  ],
  "discovery_pitch": "PESD2IVN27U-QX (Nexperia) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}