main
Ray Set visibility: public 1faa7e6 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "pacdn042y3r",
  "title": "PACDN042Y3R",
  "brief": "onsemi ESD And Surge Protection (TVS/ESD), SOT-23. 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",
    "pacdn042y3r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PACDN042Y3R",
    "manufacturer": "onsemi",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886810151276544",
    "parts": {
      "symbol": "pacdn042y3r.kicad_sym",
      "footprint": "pacdn042y3r.kicad_mod",
      "model_3d": "pacdn042y3r-hero.glb",
      "model_3d_plain": "pacdn042y3r-etched.glb",
      "model_3d_step": "pacdn042y3r-etched.step",
      "model_3d_step_plain": "pacdn042y3r.step",
      "lbr": "pacdn042y3r.lbr"
    },
    "distributor_links": {
      "lcsc": "C233486"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T17:02:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the surge protection diode, to be connected to the node requiring transient voltage protection."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the surge protection diode, to be connected to the node requiring transient voltage protection."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Anode of the surge protection diodes, to be grounded."
      }
    ],
    "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 3-pin SOT23 pin-out diagram text is garbled in the extraction. Pins 1 and 2 are labelled Cathode; Datasheet Table 1 defines Cathode and GND (anode) generically and does not state an explicit pin-to-"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0558,
        "at": "2026-10-17T17:00:20"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886810151276544",
        "pages": 14,
        "sha256": "ad3782f02c7362b4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "pacdn042y3r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pacdn042y3r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e023c1f8e6f4e7e5c1d669ecc765d7c4cad979a9324d12a6b210287e3d9c4425",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-23",
      "Category": "Circuit Protection",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ad3782f02c7362b44b7bb54bbfe546d9e970264b96b6de1b5a435f4a7400e063",
      "rows": [
        {
          "name": "Leakage Current",
          "symbol": "ILEAK",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 1,
          "max": 100,
          "conditions": "VIN = 5.0 VDC, TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Small Signal Clamp Voltage Positive Clamp",
          "symbol": "VSIG",
          "kind": "electrical",
          "unit": "V",
          "min": 6.2,
          "typ": 6.8,
          "max": 8,
          "conditions": "I = 10 mA, TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Small Signal Clamp Voltage Negative Clamp",
          "symbol": "VSIG",
          "kind": "electrical",
          "unit": "V",
          "min": -0.4,
          "typ": -0.8,
          "max": -1.2,
          "conditions": "I = −10 mA, TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Withstand Voltage Human Body Model",
          "symbol": "VESD",
          "kind": "electrical",
          "unit": "kV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "Human Body Model, MIL−STD−883, Method 3015",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Withstand Voltage Contact Discharge",
          "symbol": "VESD",
          "kind": "electrical",
          "unit": "kV",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "Contact Discharge per IEC 61000−4−2 Standard (Note 1)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Package Power Dissipation",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.225,
          "conditions": "SOT23−3, SOT23−5, SOT23−6, SOT−143 package",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "pacdn042y3r"
  ],
  "discovery_pitch": "PACDN042Y3R (onsemi) 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",
    "pacdn042y3r.kicad_sym",
    "pacdn042y3r.kicad_mod",
    "pacdn042y3r.glb",
    "pacdn042y3r.step",
    "pacdn042y3r.lbr",
    "docs/hero.png",
    "docs/pacdn042y3r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pacdn042y3r-hero.glb",
    "pacdn042y3r-hero.overlay.json",
    "pacdn042y3r-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}