SESD0201X1UN-0020-090

{
  "slug": "sesd0201x1un-0020-090",
  "version": "0.1.0",
  "type": "component",
  "description": "Littelfuse ESD And Surge Protection (TVS/ESD), DFN1006-2. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "sesd0201x1un-0020-090",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sesd0201x1un-0020-090.kicad_sym",
    "sesd0201x1un-0020-090.kicad_mod",
    "sesd0201x1un-0020-090.glb",
    "sesd0201x1un-0020-090.step",
    "sesd0201x1un-0020-090.lbr",
    "docs/hero.png",
    "docs/sesd0201x1un-0020-090-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sesd0201x1un-0020-090-hero.glb",
    "sesd0201x1un-0020-090-hero.overlay.json",
    "sesd0201x1un-0020-090-etched.glb"
  ],
  "component": {
    "mpn": "SESD0201X1UN-0020-090",
    "manufacturer": "Littelfuse",
    "package": "DFN1006-2",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bb6098e8e7ff2847077bdfa18b09ddcf.pdf",
    "parts": {
      "symbol": "sesd0201x1un-0020-090.kicad_sym",
      "footprint": "sesd0201x1un-0020-090.kicad_mod",
      "model_3d": "sesd0201x1un-0020-090-hero.glb",
      "model_3d_plain": "sesd0201x1un-0020-090-etched.glb",
      "model_3d_step": "sesd0201x1un-0020-090-etched.step",
      "model_3d_step_plain": "sesd0201x1un-0020-090.step",
      "lbr": "sesd0201x1un-0020-090.lbr"
    },
    "distributor_links": {
      "lcsc": "C47344238"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T13:04:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal 1 of the unidirectional 0201 DFN device, shown in the bottom view and marked by the Pin 1 ID on the package drawing; the datasheet does not state its function or polarity."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Terminal 2 of the unidirectional 0201 DFN device, shown in the bottom view; the datasheet does not state its function or polarity."
      }
    ],
    "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 package hint says DFN1006-2, but the datasheet only gives 0201 DFN (and 0402 DFN) outlines. I ma; The datasheet gives no pin names or functions. Pins 1 and 2 are only labelled in the bottom-view dia; The datasheet does not say which pin is the Pin 1 location for the unidirectional part. The 0201 DFN"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0314,
        "at": "2026-10-21T13:01:09"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/bb6098e8e7ff2847077bdfa18b09ddcf.pdf",
        "pages": 5,
        "sha256": "7ac319426c902b7e",
        "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": "sesd0201x1un-0020-090.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.0,
          0.6,
          0.49
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b109a9e50feebcf8bae5a230cf805dc06e2eb2b9d976f1922b195c16710c5415",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sesd0201x1un-0020-090-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.0,
          0.6,
          0.49
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f7c0f8a7338c331938a3d530ed48a7f97ed4eac831e5395b560c773d0ef994b1",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}