MSESD5451X

{
  "slug": "msesd5451x",
  "version": "0.1.0",
  "type": "component",
  "description": "MSKSEMI ESD Protection Devices, DFN1006-2. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "tvs-fuse-board level protection",
    "msesd5451x",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "msesd5451x.kicad_sym",
    "msesd5451x.kicad_mod",
    "msesd5451x.glb",
    "msesd5451x.step",
    "msesd5451x.lbr",
    "docs/hero.png",
    "docs/msesd5451x-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "msesd5451x-hero.glb",
    "msesd5451x-hero.overlay.json",
    "msesd5451x-etched.glb"
  ],
  "component": {
    "mpn": "MSESD5451X",
    "manufacturer": "MSKSEMI",
    "package": "DFN1006-2",
    "pin_count": 2,
    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "ESD Protection Devices",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2e36f87d86bc75aa4771c6017bc20f8c.pdf",
    "parts": {
      "symbol": "msesd5451x.kicad_sym",
      "footprint": "msesd5451x.kicad_mod",
      "model_3d": "msesd5451x-hero.glb",
      "model_3d_plain": "msesd5451x-etched.glb",
      "model_3d_step": "msesd5451x-etched.step",
      "model_3d_step_plain": "msesd5451x.step",
      "lbr": "msesd5451x.lbr"
    },
    "distributor_links": {
      "lcsc": "C2836382"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T16:01:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Pin 1",
        "type": "passive",
        "description": "One terminal of the bidirectional per-line ESD/transient protection path, shown as Pin 1 in the DFN1006-2 pin configuration and circuit diagram, with 120W peak pulse power per line (tP = 8/20μs) and a working voltage VRWM of 5V stated for the line."
      },
      {
        "number": "2",
        "name": "Pin 2",
        "type": "passive",
        "description": "Other terminal of the bidirectional per-line ESD/transient protection path, shown as Pin 2 in the DFN1006-2 pin configuration and circuit diagram, with the same per-line ratings as Pin 1."
      }
    ],
    "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 DFN1006-2 pin configuration is a drawing; the extracted text only shows the labels 'Pin 1' and '; The datasheet describes the device as bidirectional with no polarity, so the pin types are set to pa; The order information lists MSESD5451X in the DFN1006-2 package (10000 pcs), which matches the packa"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0222,
        "at": "2026-10-21T16:01:42"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2e36f87d86bc75aa4771c6017bc20f8c.pdf",
        "pages": 7,
        "sha256": "2ea2d535f5539be0",
        "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": "msesd5451x.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": "msesd5451x-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": "419be76de4c0ff7fb6a2a57c1a32b7c5cd88842d05b5521d226952adf017e4aa",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}