ESDALC5-1BM2

{
  "slug": "esdalc5-1bm2",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics ESD Protection Devices, SOD-882. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "esdalc5-1bm2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "esdalc5-1bm2.kicad_sym",
    "esdalc5-1bm2.kicad_mod",
    "esdalc5-1bm2.glb",
    "esdalc5-1bm2.step",
    "esdalc5-1bm2.lbr",
    "docs/hero.png",
    "docs/esdalc5-1bm2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "esdalc5-1bm2-hero.glb",
    "esdalc5-1bm2-hero.overlay.json",
    "esdalc5-1bm2-etched.glb"
  ],
  "component": {
    "mpn": "ESDALC5-1BM2",
    "manufacturer": "STMicroelectronics",
    "package": "SOD-882",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "ESD Protection Devices",
    "datasheet": "https://www.st.com/resource/en/datasheet/esdalc5-1bm2.pdf",
    "parts": {
      "symbol": "esdalc5-1bm2.kicad_sym",
      "footprint": "esdalc5-1bm2.kicad_mod",
      "model_3d": "esdalc5-1bm2-hero.glb",
      "model_3d_plain": "esdalc5-1bm2-etched.glb",
      "model_3d_step": "esdalc5-1bm2-etched.step",
      "model_3d_step_plain": "esdalc5-1bm2.step",
      "lbr": "esdalc5-1bm2.lbr"
    },
    "distributor_links": {
      "lcsc": "C1974505",
      "digikey": "497-10981-2-ND",
      "mouser": "511-ESDALC5-1BM2"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T11:06:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-10981-2-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "511-ESDALC5-1BM2",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "I/O1",
        "type": "passive",
        "description": "Bidirectional ESD protection line I/O1 (pin 1, marked by Pin 1 indicator); breakdown VBR 11 V min to 17 V max from I/O1 to I/O2 at IR = 1 mA, 26 pF typ. line capacitance at 0 V."
      },
      {
        "number": "2",
        "name": "I/O2",
        "type": "passive",
        "description": "Bidirectional ESD protection line I/O2 (pin 2); breakdown VBR 5.8 V min to 11 V max from I/O2 to I/O1 at IR = 1 mA, leakage 60 nA max at VRM = 5 V."
      }
    ],
    "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": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet text does not explicitly map I/O1 and I/O2 to pin numbers 1 and 2; the mapping is inferred; The device is asymmetric despite being labeled bidirectional (different VBR in each direction), so p"
        ],
        "pages_sent": 13,
        "cost_usd": 0.077,
        "at": "2026-10-22T11:05:02"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/esdalc5-1bm2.pdf",
        "pages": 13,
        "sha256": "1677611952000cd0",
        "source_tier": "mfr"
      },
      "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": "esdalc5-1bm2.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": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esdalc5-1bm2-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": "0c479c8b4127e23dc8eef205c343c9a69f9ab7e00fd374b07147e9566b1bdfdf",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}