PESD3V3L1UB

{
  "slug": "pesd3v3l1ub",
  "version": "0.1.0",
  "type": "component",
  "description": "UMW Electrostatic And Surge Protection (TVS/ESD), SOD-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "tvs-fuse-board level protection",
    "pesd3v3l1ub",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pesd3v3l1ub.kicad_sym",
    "pesd3v3l1ub.kicad_mod",
    "pesd3v3l1ub.glb",
    "pesd3v3l1ub.step",
    "pesd3v3l1ub.lbr",
    "docs/hero.png",
    "docs/pesd3v3l1ub-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pesd3v3l1ub-hero.glb",
    "pesd3v3l1ub-hero.overlay.json",
    "pesd3v3l1ub-etched.glb"
  ],
  "component": {
    "mpn": "PESD3V3L1UB",
    "manufacturer": "UMW",
    "package": "SOD-523",
    "pin_count": 2,
    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "Electrostatic And Surge Protection (TVS/ESD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4964032f923ae8443c0e3dd1c38d71ba.pdf",
    "parts": {
      "symbol": "pesd3v3l1ub.kicad_sym",
      "footprint": "pesd3v3l1ub.kicad_mod",
      "model_3d": "pesd3v3l1ub-hero.glb",
      "model_3d_plain": "pesd3v3l1ub-etched.glb",
      "model_3d_step": "pesd3v3l1ub-etched.step",
      "model_3d_step_plain": "pesd3v3l1ub.step",
      "lbr": "pesd3v3l1ub.lbr"
    },
    "distributor_links": {
      "lcsc": "C3001945"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T04:54:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Pin 1",
        "type": "passive",
        "description": "Pin 1 is one of the two terminals of the unidirectional ESD protection diode, with limits between pin 1 and pin 2 of VRWM 3.3 V, VCL 11 V at IPP 1 A, and ESD protection up to 30 kV (IEC 61000-4-2 level 4)."
      },
      {
        "number": "2",
        "name": "Pin 2",
        "type": "passive",
        "description": "Pin 2 is the other terminal of the unidirectional ESD protection diode; the datasheet measures all electrical limits from pin 1 to pin 2, including peak pulse current 4.5 A (8/20 µs) and diode capacitance 34 pF."
      }
    ],
    "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's SOD-523 pinning drawing shows only the labels 'Pin1' and 'Pin2' and does not state w; The pin descriptions are built from device-level limits that the datasheet states between pin 1 and "
        ],
        "pages_sent": 7,
        "cost_usd": 0.0208,
        "at": "2026-10-21T04:50:27"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4964032f923ae8443c0e3dd1c38d71ba.pdf",
        "pages": 7,
        "sha256": "c423f3cf667af361",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "pesd3v3l1ub.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          0.8,
          0.63
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b525222377930c32abea58606bffba3aaf171cc66ac292b82d28a82d646d995d",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pesd3v3l1ub-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          0.8,
          0.63
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "18d5fd1cf0b6c6977441fba5a32bf279cbb1c35b424cf1ef7db2e5087974b64a",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}