CM1293A-02SR

{
  "schema_version": 1,
  "type": "component",
  "slug": "cm1293a-02sr",
  "title": "CM1293A-02SR",
  "brief": "TECH PUBLIC Electrostatic And Surge Protection (TVS/ESD), SOT-143. 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",
    "tvs-fuse-board level protection",
    "cm1293a-02sr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CM1293A-02SR",
    "manufacturer": "TECH PUBLIC",
    "package": "SOT-143",
    "pin_count": 4,
    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "Electrostatic And Surge Protection (TVS/ESD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/dc9c402fa49bf288876ef11dcba4ceac.pdf",
    "parts": {
      "symbol": "cm1293a-02sr.kicad_sym",
      "footprint": "cm1293a-02sr.kicad_mod",
      "model_3d": "cm1293a-02sr-hero.glb",
      "model_3d_step": "cm1293a-02sr.step",
      "lbr": "cm1293a-02sr.lbr",
      "model_3d_plain": "cm1293a-02sr.glb"
    },
    "distributor_links": {
      "lcsc": "C19829445",
      "digikey": "2832-CM1293A-02SRTR-ND",
      "mouser": "748-CM1293A-02SR"
    },
    "distributor_check": {
      "checked_at": "2026-11-04T18:44:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2832-CM1293A-02SRTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "748-CM1293A-02SR",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CH1",
        "type": "passive",
        "description": "Channel 1 I/O protected line, rated 1.0pF max to GND with 5.5V max reverse standoff voltage and ±15kV IEC 61000-4-2 ESD protection."
      },
      {
        "number": "2",
        "name": "CH2",
        "type": "passive",
        "description": "Channel 2 I/O protected line, rated 1.0pF max to GND with 5.5V max reverse standoff voltage and ±15kV IEC 61000-4-2 ESD protection."
      },
      {
        "number": "3",
        "name": "VP",
        "type": "power_in",
        "description": "Positive rail of the diode-steering array, connected to the supply or positive reference of the protected interface (reverse standoff voltage 5.5V max)."
      },
      {
        "number": "4",
        "name": "VN",
        "type": "power_in",
        "description": "Negative rail of the diode-steering array, connected to ground (GND) as the reference for I/O capacitance and leakage specifications."
      }
    ],
    "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": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin-configuration diagram on p.1 labels leads only by name (VN top-left, CH1 bottom-left, VP top; The electrical table's VBR test condition says 'from pin 5 to pin 2', but SOT-143 has only 4 pins. T; The datasheet does not state pin types. VP and VN were classed as power_in, and VN is treated as GND",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.2567,
        "at": "2026-11-04T18:44:21"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/dc9c402fa49bf288876ef11dcba4ceac.pdf",
        "pages": 4,
        "sha256": "9695e23322fd3ff2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cm1293a-02sr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.3,
          2.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b35b433c0dc71ac416a9c731e744d2e0610f82ebe97275830f0e17cdcbe44512",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TECH PUBLIC",
      "Package": "SOT-143",
      "Category": "TVS/Fuse/Board Level Protection",
      "Pins": "4"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cm1293a-02sr"
  ],
  "discovery_pitch": "CM1293A-02SR (TECH PUBLIC) 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",
    "cm1293a-02sr.kicad_sym",
    "cm1293a-02sr.kicad_mod",
    "cm1293a-02sr.glb",
    "cm1293a-02sr.step",
    "cm1293a-02sr.lbr",
    "docs/hero.png",
    "docs/cm1293a-02sr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cm1293a-02sr-hero.glb",
    "cm1293a-02sr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}