PESD3V3S1BA

{
  "slug": "pesd3v3s1ba",
  "version": "0.1.0",
  "type": "component",
  "description": "TDSEMIC ESD And Surge Protection (TVS/ESD), SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "pesd3v3s1ba",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pesd3v3s1ba.kicad_sym",
    "pesd3v3s1ba.kicad_mod",
    "pesd3v3s1ba.glb",
    "pesd3v3s1ba.step",
    "pesd3v3s1ba.lbr",
    "docs/hero.png",
    "docs/pesd3v3s1ba-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pesd3v3s1ba-hero.glb",
    "pesd3v3s1ba-hero.overlay.json"
  ],
  "component": {
    "mpn": "PESD3V3S1BA",
    "manufacturer": "TDSEMIC",
    "package": "SOT-523",
    "pin_count": 3,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8618862799804522496",
    "parts": {
      "symbol": "pesd3v3s1ba.kicad_sym",
      "footprint": "pesd3v3s1ba.kicad_mod",
      "model_3d": "pesd3v3s1ba-hero.glb",
      "model_3d_plain": "pesd3v3s1ba.glb",
      "model_3d_step": "pesd3v3s1ba-etched.step",
      "model_3d_step_plain": "pesd3v3s1ba.step",
      "lbr": "pesd3v3s1ba.lbr"
    },
    "distributor_links": {
      "lcsc": "C7472904"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T12:28:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Bidirectional ESD protection diode terminal 1 (leaded, protects one signal line); reverse working voltage 3.3V max, breakdown 5.6V to 7.8V at IT=1mA."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Bidirectional ESD protection diode terminal 2 (leaded, protects one signal line); reverse working voltage 3.3V max, clamping voltage 11.0V max at IPP=4A, 8/20µs."
      },
      {
        "number": "3",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet gives only pin numbers 1 and 2 on the outline drawing and a bidirectional circuit diagram;",
          "exposed pad 3 added from the footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.2576,
        "at": "2026-10-09T12:27:56"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8618862799804522496",
        "pages": 4,
        "sha256": "621657ec8863f569",
        "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": "pesd3v3s1ba.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.5,
          1.6,
          0.8
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d213be6a5fe7c3742499942b23063d3c559294c9e9d0cf93a610f515f8c86aad",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pesd3v3s1ba-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.5,
          1.6,
          0.8
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5247071744d8f97708dbd531c7c03544843142e36cee3a5eabb97bae87d40961",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}