LKA1200ST

{
  "schema_version": 1,
  "type": "component",
  "slug": "lka1200st",
  "title": "LKA1200ST",
  "brief": "LKWIC Comparators, SOT-23-5. 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",
    "operational amplifier-comparator",
    "lka1200st",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LKA1200ST",
    "manufacturer": "LKWIC",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "Comparators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e6cb35ec007361eb24b36a652ef9b71e.pdf",
    "parts": {
      "symbol": "lka1200st.kicad_sym",
      "footprint": "lka1200st.kicad_mod",
      "model_3d": "lka1200st-hero.glb",
      "model_3d_plain": "lka1200st-etched.glb",
      "model_3d_step": "lka1200st-etched.step",
      "model_3d_step_plain": "lka1200st.step",
      "lbr": "lka1200st.lbr"
    },
    "distributor_links": {
      "lcsc": "C20626193"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:20:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "output",
        "description": "Comparator output terminal, which is push-pull and needs no external pull-up resistor according to the datasheet."
      },
      {
        "number": "2",
        "name": "V-",
        "type": "power_in",
        "description": "Ground terminal (negative supply, V-) of the comparator, which sets the lower end of the supply range."
      },
      {
        "number": "3",
        "name": "INP",
        "type": "input",
        "description": "Non-inverting comparator input, with a rail-to-rail common-mode input range extending to (V- - 200mV) to (V+ + 200mV)."
      },
      {
        "number": "4",
        "name": "INN",
        "type": "input",
        "description": "Inverting comparator input, with a rail-to-rail common-mode input range extending to (V- - 200mV) to (V+ + 200mV)."
      },
      {
        "number": "5",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply terminal, operating from 2.7V to 5V single-supply as stated in the datasheet."
      }
    ],
    "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 datasheet gives the pinout only as a functional table (Table 2) and the top-view drawing (Figure",
          "1/5 pin names appear NOWHERE in the datasheet text: ['2:V-@p6']"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0062,
        "at": "2026-10-27T01:20:30"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e6cb35ec007361eb24b36a652ef9b71e.pdf",
        "pages": 7,
        "sha256": "b580d77afa5fa5c5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lka1200st.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lka1200st-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "125911a03d9fd77211bc968a4b469c8b886efd3c06f5ea828620741560506998",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LKWIC",
      "Package": "SOT-23-5",
      "Category": "Operational Amplifier/Comparator",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b580d77afa5fa5c5b45cb9d77a152b3c744dac115a27f7dfe3720723143e2e1f",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay",
          "symbol": "",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "电源电压 5V，电源电流 65μA",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lka1200st"
  ],
  "discovery_pitch": "LKA1200ST (LKWIC) 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",
    "lka1200st.kicad_sym",
    "lka1200st.kicad_mod",
    "lka1200st.glb",
    "lka1200st.step",
    "lka1200st.lbr",
    "docs/hero.png",
    "docs/lka1200st-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lka1200st-hero.glb",
    "lka1200st-hero.overlay.json",
    "lka1200st-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}