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Ray Publish 0.1.0 9534218 11h ago
{
  "slug": "buln2803lvs",
  "version": "0.1.0",
  "type": "component",
  "description": "BORN Darlington Transistor Arrays, SOIC-18-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors",
    "buln2803lvs",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "buln2803lvs.kicad_sym",
    "buln2803lvs.kicad_mod",
    "buln2803lvs.glb",
    "buln2803lvs.step",
    "buln2803lvs.lbr",
    "docs/hero.png",
    "docs/buln2803lvs-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "buln2803lvs-hero.glb",
    "buln2803lvs-hero.overlay.json",
    "buln2803lvs-etched.glb"
  ],
  "component": {
    "mpn": "BULN2803LVS",
    "manufacturer": "BORN",
    "package": "SOIC-18-300mil",
    "pin_count": 18,
    "category": "Transistors",
    "subcategory": "Darlington Transistor Arrays",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/db290778af1c60fe285581f3f169b14c.pdf",
    "parts": {
      "symbol": "buln2803lvs.kicad_sym",
      "footprint": "buln2803lvs.kicad_mod",
      "model_3d": "buln2803lvs-hero.glb",
      "model_3d_plain": "buln2803lvs-etched.glb",
      "model_3d_step": "buln2803lvs-etched.step",
      "model_3d_step_plain": "buln2803lvs.step",
      "lbr": "buln2803lvs.lbr"
    },
    "distributor_links": {
      "lcsc": "C406219"
    },
    "distributor_check": {
      "checked_at": "2026-11-12T06:55:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1B",
        "type": "input",
        "description": "Channel 1 Darlington base input, which the datasheet states supports 1.8 V low-voltage input and TTL/CMOS logic signals."
      },
      {
        "number": "2",
        "name": "2B",
        "type": "input",
        "description": "Channel 2 Darlington base input, which the datasheet states supports 1.8 V low-voltage input and TTL/CMOS logic signals."
      },
      {
        "number": "3",
        "name": "3B",
        "type": "input",
        "description": "Channel 3 Darlington base input, which the datasheet states supports 1.8 V low-voltage input and TTL/CMOS logic signals."
      },
      {
        "number": "4",
        "name": "4B",
        "type": "input",
        "description": "Channel 4 Darlington base input, which the datasheet states supports 1.8 V low-voltage input and TTL/CMOS logic signals."
      },
      {
        "number": "5",
        "name": "5B",
        "type": "input",
        "description": "Channel 5 Darlington base input, which the datasheet states supports 1.8 V low-voltage input and TTL/CMOS logic signals."
      },
      {
        "number": "6",
        "name": "6B",
        "type": "input",
        "description": "Channel 6 Darlington base input, which the datasheet states supports 1.8 V low-voltage input and TTL/CMOS logic signals."
      },
      {
        "number": "7",
        "name": "7B",
        "type": "input",
        "description": "Channel 7 Darlington base input, which the datasheet states supports 1.8 V low-voltage input and TTL/CMOS logic signals."
      },
      {
        "number": "8",
        "name": "8B",
        "type": "input",
        "description": "Channel 8 Darlington base input, which the datasheet states supports 1.8 V low-voltage input and TTL/CMOS logic signals."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Common emitter shared by all channels, typically tied to ground."
      },
      {
        "number": "10",
        "name": "COM",
        "type": "bidirectional",
        "description": "Common cathode node for the flyback clamp diodes, which the datasheet states is required for inductive loads."
      },
      {
        "number": "11",
        "name": "8C",
        "type": "output",
        "description": "Channel 8 Darlington collector output, rated at 500 mA per pair with a 20 V collector-to-emitter maximum."
      },
      {
        "number": "12",
        "name": "7C",
        "type": "output",
        "description": "Channel 7 Darlington collector output, rated at 500 mA per pair with a 20 V collector-to-emitter maximum."
      },
      {
        "number": "13",
        "name": "6C",
        "type": "output",
        "description": "Channel 6 Darlington collector output, rated at 500 mA per pair with a 20 V collector-to-emitter maximum."
      },
      {
        "number": "14",
        "name": "5C",
        "type": "output",
        "description": "Channel 5 Darlington collector output, rated at 500 mA per pair with a 20 V collector-to-emitter maximum."
      },
      {
        "number": "15",
        "name": "4C",
        "type": "output",
        "description": "Channel 4 Darlington collector output, rated at 500 mA per pair with a 20 V collector-to-emitter maximum."
      },
      {
        "number": "16",
        "name": "3C",
        "type": "output",
        "description": "Channel 3 Darlington collector output, rated at 500 mA per pair with a 20 V collector-to-emitter maximum."
      },
      {
        "number": "17",
        "name": "2C",
        "type": "output",
        "description": "Channel 2 Darlington collector output, rated at 500 mA per pair with a 20 V collector-to-emitter maximum."
      },
      {
        "number": "18",
        "name": "1C",
        "type": "output",
        "description": "Channel 1 Darlington collector output, rated at 500 mA per pair with a 20 V collector-to-emitter 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 MPN is BULN2803LVS, but the device marking reads BE2803LV and the characteristics table header r"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0008,
        "at": "2026-11-12T06:55:31"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/db290778af1c60fe285581f3f169b14c.pdf",
        "pages": 7,
        "sha256": "a42e279e1b36096f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 18,
        "described": 18,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "buln2803lvs.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          11.55,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "05ad7d4945131c76ec7b9448dd9cbb5376b56adcd564c58d93e50ca7870fab1f",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "buln2803lvs-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          11.55,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c1c84d8e99a56a03216c2775a8f2f15b21546557ac8bf34d24c740fac1abc381",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOP-18",
      "source_page": 7,
      "D": {
        "nom_mm": 11.55,
        "range_mm": [
          11.35,
          11.75
        ]
      },
      "E1": {
        "nom_mm": 7.5,
        "range_mm": [
          7.4,
          7.6
        ]
      },
      "E": {
        "nom_mm": 10.3,
        "range_mm": [
          9.97,
          10.63
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 2.65,
        "range_mm": [
          null,
          2.65
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "buln2803lvs.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}