STEF12EPUR

{
  "schema_version": 1,
  "type": "component",
  "slug": "stef12epur",
  "title": "STEF12EPUR",
  "brief": "STMicroelectronics Surge Protection Devices (SPDs), UDFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "circuit protection",
    "stef12epur",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STEF12EPUR",
    "manufacturer": "STMicroelectronics",
    "package": "UDFN-10-EP(3x3)",
    "pin_count": 11,
    "category": "Circuit Protection",
    "subcategory": "Surge Protection Devices (SPDs)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589943049158619136",
    "parts": {
      "symbol": "stef12epur.kicad_sym",
      "footprint": "stef12epur.kicad_mod",
      "model_3d": "stef12epur-hero.glb",
      "model_3d_plain": "stef12epur.glb",
      "model_3d_step": "stef12epur-etched.step",
      "model_3d_step_plain": "stef12epur.step",
      "lbr": "stef12epur.lbr"
    },
    "distributor_links": {
      "lcsc": "C2155863",
      "digikey": "497-16902-2-ND",
      "mouser": "511-STEF12EPUR"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T23:30:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-16902-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-STEF12EPUR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the e-fuse."
      },
      {
        "number": "2",
        "name": "dv/dt",
        "type": "passive",
        "description": "Sets the output voltage slew rate at turn-on, with an internal capacitor giving a ramp of about 1 ms; an external capacitor may be added to lengthen the ramp, and the absolute maximum rating is -0.3 to 7 V."
      },
      {
        "number": "3",
        "name": "En/Fault",
        "type": "bidirectional",
        "description": "Tri-state bidirectional Enable/Fault pin that must be left floating in normal operation or pulled to ground by an open-drain/open-collector device to disable the output, goes to an intermediate level on thermal shutdown, and has an absolute maximum rating of -0.3 to 7 V."
      },
      {
        "number": "4",
        "name": "I-Limit",
        "type": "passive",
        "description": "A resistor between this pin and the Source pin sets the overload and short-circuit current limit and the pin must not be left unconnected; absolute maximum rating is -0.3 to 25 V (max 100 ms)."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "6",
        "name": "VOUT/Source",
        "type": "power_out",
        "description": "Connected to the source of the internal power MOSFET and to the output terminal of the fuse."
      },
      {
        "number": "7",
        "name": "VOUT/Source",
        "type": "power_out",
        "description": "Connected to the source of the internal power MOSFET and to the output terminal of the fuse."
      },
      {
        "number": "8",
        "name": "VOUT/Source",
        "type": "power_out",
        "description": "Connected to the source of the internal power MOSFET and to the output terminal of the fuse."
      },
      {
        "number": "9",
        "name": "VOUT/Source",
        "type": "power_out",
        "description": "Connected to the source of the internal power MOSFET and to the output terminal of the fuse."
      },
      {
        "number": "10",
        "name": "VOUT/Source",
        "type": "power_out",
        "description": "Connected to the source of the internal power MOSFET and to the output terminal of the fuse."
      },
      {
        "number": "11",
        "name": "VCC",
        "type": "power_in",
        "description": "Exposed pad that must be connected to the positive input voltage; steady-state absolute maximum is -0.3 to 18 V (-0.3 to 25 V for max 100 ms)."
      }
    ],
    "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: MPN mismatch: the requested MPN STEF12EPUR does not appear in this datasheet. The only order code li; Package naming: the datasheet calls the package DFN10L (3x3 mm) / DFN10 (3x3 mm), not UDFN-10-EP(3x3; Pin 11 is the exposed pad and is labeled VCC in Table 1 (page 3); it is the only numbered pad beyond"
        ],
        "pages_sent": 21,
        "cost_usd": 0.0559,
        "at": "2026-10-10T23:30:35"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589943049158619136",
        "pages": 21,
        "sha256": "d470c97660f4b352",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stef12epur.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.98,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stef12epur-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.98,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d087ca6da1baefcbe1991a40949be7029478b6c3b83ff25469078ff3561dea92",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "UDFN-10-EP(3x3)",
      "Category": "Circuit Protection",
      "Pins": "11"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stef12epur"
  ],
  "discovery_pitch": "STEF12EPUR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stef12epur.kicad_sym",
    "stef12epur.kicad_mod",
    "stef12epur.glb",
    "stef12epur.step",
    "stef12epur.lbr",
    "docs/hero.png",
    "docs/stef12epur-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stef12epur-hero.glb",
    "stef12epur-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}