LM2903BYDT

{
  "slug": "lm2903bydt",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Comparators, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm2903bydt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2903bydt.kicad_sym",
    "lm2903bydt.kicad_mod",
    "lm2903bydt.glb",
    "lm2903bydt.step",
    "lm2903bydt.lbr",
    "docs/hero.png",
    "docs/lm2903bydt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2903bydt-hero.glb",
    "lm2903bydt-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM2903BYDT",
    "manufacturer": "STMicroelectronics",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603136456202199040",
    "parts": {
      "symbol": "lm2903bydt.kicad_sym",
      "footprint": "lm2903bydt.kicad_mod",
      "model_3d": "lm2903bydt-hero.glb",
      "model_3d_plain": "lm2903bydt.glb",
      "model_3d_step": "lm2903bydt-etched.step",
      "model_3d_step_plain": "lm2903bydt.step",
      "lbr": "lm2903bydt.lbr"
    },
    "distributor_links": {
      "lcsc": "C5456174",
      "digikey": "497-LM2903BYDTTR-ND",
      "mouser": "511-LM2903BYDT"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T21:19:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-LM2903BYDTTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-LM2903BYDT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT1",
        "type": "output",
        "description": "Output of comparator 1, which saturates low at 250 mV typ. (Iout = 4 mA) and is compatible with TTL, DTL, ECL, MOS and CMOS logic; the output short-circuit current is approximately 30 mA with infinite short-circuit duration."
      },
      {
        "number": "2",
        "name": "IN1-",
        "type": "input",
        "description": "Inverting input of comparator 1; the input common-mode range includes the negative rail (Vcc- to Vcc+ - 1.5 V at 25 °C) and the low input voltage must not be less than -0.3 V."
      },
      {
        "number": "3",
        "name": "IN1+",
        "type": "input",
        "description": "Non-inverting input of comparator 1; the input voltage is limited to -0.3 V to 40 V (absolute maximum) and the input current to 10 mA."
      },
      {
        "number": "4",
        "name": "VCC-",
        "type": "power_in",
        "description": "Negative supply rail, 0 V in the specified test conditions and the ground reference for single-supply operation; dual supplies of ±1 V to ±18 V are also possible."
      },
      {
        "number": "5",
        "name": "IN2+",
        "type": "input",
        "description": "Non-inverting input of comparator 2; the input voltage is limited to -0.3 V to 40 V (absolute maximum) and the input current to 10 mA."
      },
      {
        "number": "6",
        "name": "IN2-",
        "type": "input",
        "description": "Inverting input of comparator 2; the input common-mode range includes the negative rail (Vcc- to Vcc+ - 1.5 V at 25 °C) and the low input voltage must not be less than -0.3 V."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Output of comparator 2, which saturates low at 250 mV typ. (Iout = 4 mA) and is compatible with TTL, DTL, ECL, MOS and CMOS logic; the output short-circuit current is approximately 30 mA with infinite short-circuit duration."
      },
      {
        "number": "8",
        "name": "VCC+",
        "type": "power_in",
        "description": "Positive supply rail, operating range 2 V to 36 V (absolute maximum 40 V for the B-grade device)."
      }
    ],
    "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 Figure 2 pin-connection text is garbled (\"VCC￾VCC+\"), so the VCC- and VCC+ assignment to pins 4 ; Pin numbers were not printed as numbers in the extracted text; they follow the standard SO-8 numberi"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0522,
        "at": "2026-10-08T21:18:27"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603136456202199040",
        "pages": 20,
        "sha256": "bfa6780025a30e66",
        "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": [
      {
        "file": "lm2903bydt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2903bydt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "04c086176f78b67308fd09f999f83e19407596d3c8f1e809cf4ce99be18e35ab",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}