LM2903XM

{
  "slug": "lm2903xm",
  "version": "0.1.0",
  "type": "component",
  "description": "Jiangsu RUNIC Tech Comparators, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm2903xm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2903xm.kicad_sym",
    "lm2903xm.kicad_mod",
    "lm2903xm.glb",
    "lm2903xm.step",
    "lm2903xm.lbr",
    "docs/hero.png",
    "docs/lm2903xm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2903xm-hero.glb",
    "lm2903xm-hero.overlay.json",
    "lm2903xm-etched.glb"
  ],
  "component": {
    "mpn": "LM2903XM",
    "manufacturer": "Jiangsu RUNIC Tech",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589839603591897088",
    "parts": {
      "symbol": "lm2903xm.kicad_sym",
      "footprint": "lm2903xm.kicad_mod",
      "model_3d": "lm2903xm-hero.glb",
      "model_3d_plain": "lm2903xm-etched.glb",
      "model_3d_step": "lm2903xm-etched.step",
      "model_3d_step_plain": "lm2903xm.step",
      "lbr": "lm2903xm.lbr"
    },
    "distributor_links": {
      "lcsc": "C2998739"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T22:49:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUTA",
        "type": "output",
        "description": "Open-drain output of comparator channel A that requires an external pull-up resistor, with signal output currents limited to -55 mA to 55 mA by the absolute maximum ratings."
      },
      {
        "number": "2",
        "name": "-INA",
        "type": "input",
        "description": "Inverting input of comparator channel A; input terminals are diode-clamped to the supply rails, and signals that swing more than 0.5 V beyond the rails should be current-limited to 10 mA or less."
      },
      {
        "number": "3",
        "name": "+INA",
        "type": "input",
        "description": "Noninverting input of comparator channel A; the common-mode input voltage range is (V-) to (V+) - 1.5 V at 25°C and (V-) to (V+) - 2.0 V over -40°C to +125°C."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative (lowest) power supply pin, which is the lower rail of the supply span (V+) - (V-) of 3.3 V to 36 V."
      },
      {
        "number": "5",
        "name": "+INB",
        "type": "input",
        "description": "Noninverting input of comparator channel B; the common-mode input voltage range is (V-) to (V+) - 1.5 V at 25°C and (V-) to (V+) - 2.0 V over -40°C to +125°C."
      },
      {
        "number": "6",
        "name": "-INB",
        "type": "input",
        "description": "Inverting input of comparator channel B; input terminals are diode-clamped to the supply rails, and signals that swing more than 0.5 V beyond the rails should be current-limited to 10 mA or less."
      },
      {
        "number": "7",
        "name": "OUTB",
        "type": "output",
        "description": "Open-drain output of comparator channel B that requires an external pull-up resistor, with signal output currents limited to -55 mA to 55 mA by the absolute maximum ratings."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive (highest) power supply pin; the supply span (V+) - (V-) is 3.3 V to 36 V with a 36 V absolute maximum."
      }
    ],
    "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 ordering table (page 5) lists LM2903XM as MSOP-8, and the pin table on page 3 covers the SOIC-8/; The Layout Example figure (page 10) labels pins inconsistently with the page 3 table (for example, i"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0451,
        "at": "2026-10-15T22:49:28"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589839603591897088",
        "pages": 13,
        "sha256": "75b4b671a70b102e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "lm2903xm.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2903xm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "41fbb4e89784d59328fcf1dee71fc73e419ab4dc5ed40e7fefc79ef511af4356",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}