STS232712B451

{
  "slug": "sts232712b451",
  "version": "0.1.0",
  "type": "component",
  "description": "ElecSuper ESD And Surge Protection (TVS/ESD), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "sts232712b451",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sts232712b451.kicad_sym",
    "sts232712b451.kicad_mod",
    "sts232712b451.glb",
    "sts232712b451.step",
    "sts232712b451.lbr",
    "docs/hero.png",
    "docs/sts232712b451-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sts232712b451-hero.glb",
    "sts232712b451-hero.overlay.json",
    "sts232712b451-etched.glb"
  ],
  "component": {
    "mpn": "STS232712B451",
    "manufacturer": "ElecSuper",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b30e11689819b4a4f632032c06c5b5f6.pdf",
    "parts": {
      "symbol": "sts232712b451.kicad_sym",
      "footprint": "sts232712b451.kicad_mod",
      "model_3d": "sts232712b451-hero.glb",
      "model_3d_plain": "sts232712b451-etched.glb",
      "model_3d_step": "sts232712b451-etched.step",
      "model_3d_step_plain": "sts232712b451.step",
      "lbr": "sts232712b451.lbr"
    },
    "distributor_links": {
      "lcsc": "C41365180",
      "digikey": "283-STS232712B451TR-ND",
      "mouser": "504-STS232712B451"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T07:28:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "283-STS232712B451TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "504-STS232712B451",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IO",
        "type": "bidirectional",
        "description": "Bidirectional ESD/transient protection line connected to IO; Pin1 or Pin2 to Pin3 reverse standoff is 12.0 V, breakdown is 13.3 to 16.3 V at 1 mA, and clamping voltage is 24.0 V at IPP 17 A."
      },
      {
        "number": "2",
        "name": "IO",
        "type": "bidirectional",
        "description": "Bidirectional ESD/transient protection line connected to IO; Pin1 or Pin2 to Pin3 reverse standoff is 12.0 V, breakdown is 13.3 to 16.3 V at 1 mA, and clamping voltage is 24.0 V at IPP 17 A."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference for the protection; Pin3 to Pin1 or Pin2 reverse standoff is 7.0 V, breakdown is 7.5 to 9.8 V at 1 mA, and clamping voltage is 18.0 V at IPP 22 A."
      }
    ],
    "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: Pin-to-position mapping on the SOT-23 outline is not legible in the extracted text. Pin numbers 1, 2; Table-2 lists pins 1 and 2 both as IO with no polarity or direction distinction. The datasheet descr; Pin 1 and pin 2 descriptions use the Pin1 or Pin2 to Pin3 electrical values from Table-4 and Table-3"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0284,
        "at": "2026-10-18T07:27:19"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b30e11689819b4a4f632032c06c5b5f6.pdf",
        "pages": 8,
        "sha256": "994e5d1510ef6b74",
        "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": "sts232712b451.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sts232712b451-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1b5af4c83564ccf28e32ebf7e7b13865594244d2eeb372a649712745025db2ba",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}