main
Ray lm339sr: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body wit… f6b961e 1d ago
{
  "slug": "lm339sr",
  "version": "0.1.0",
  "type": "component",
  "description": "COSINE Comparators, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm339sr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm339sr.kicad_sym",
    "lm339sr.kicad_mod",
    "lm339sr.glb",
    "lm339sr.step",
    "lm339sr.lbr",
    "docs/hero.png",
    "docs/lm339sr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm339sr-hero.glb",
    "lm339sr-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM339SR",
    "manufacturer": "COSINE",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603352579254329344",
    "parts": {
      "symbol": "lm339sr.kicad_sym",
      "footprint": "lm339sr.kicad_mod",
      "model_3d": "lm339sr-hero.glb",
      "model_3d_plain": "lm339sr.glb",
      "model_3d_step": "lm339sr-etched.step",
      "model_3d_step_plain": "lm339sr.step",
      "lbr": "lm339sr.lbr"
    },
    "distributor_links": {
      "lcsc": "C25503984"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T21:56:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 547 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT2",
        "type": "output",
        "description": "Output of comparator 2, open-drain; connect to a load or pull-up resistor."
      },
      {
        "number": "2",
        "name": "OUT1",
        "type": "output",
        "description": "Output of comparator 1, open-drain; connect to a load or pull-up resistor."
      },
      {
        "number": "3",
        "name": "+Vs",
        "type": "power_in",
        "description": "Positive power supply (2V to 36V single supply); place a 0.1µF bypass capacitor as close to the part as possible."
      },
      {
        "number": "4",
        "name": "-IN1",
        "type": "input",
        "description": "Inverting input of comparator 1; voltage range -Vs -0.3V to +Vs +0.3V."
      },
      {
        "number": "5",
        "name": "+IN1",
        "type": "input",
        "description": "Non-inverting input of comparator 1; same voltage range as -IN (-Vs -0.3V to +Vs +0.3V)."
      },
      {
        "number": "6",
        "name": "-IN2",
        "type": "input",
        "description": "Inverting input of comparator 2; voltage range -Vs -0.3V to +Vs +0.3V."
      },
      {
        "number": "7",
        "name": "+IN2",
        "type": "input",
        "description": "Non-inverting input of comparator 2; same voltage range as -IN (-Vs -0.3V to +Vs +0.3V)."
      },
      {
        "number": "8",
        "name": "-IN3",
        "type": "input",
        "description": "Inverting input of comparator 3; voltage range -Vs -0.3V to +Vs +0.3V."
      },
      {
        "number": "9",
        "name": "+IN3",
        "type": "input",
        "description": "Non-inverting input of comparator 3; same voltage range as -IN (-Vs -0.3V to +Vs +0.3V)."
      },
      {
        "number": "10",
        "name": "-IN4",
        "type": "input",
        "description": "Inverting input of comparator 4; voltage range -Vs -0.3V to +Vs +0.3V."
      },
      {
        "number": "11",
        "name": "+IN4",
        "type": "input",
        "description": "Non-inverting input of comparator 4; same voltage range as -IN (-Vs -0.3V to +Vs +0.3V)."
      },
      {
        "number": "12",
        "name": "-Vs",
        "type": "power_in",
        "description": "Negative power supply or ground; if not grounded, bypass with a 0.1µF capacitor close to the part."
      },
      {
        "number": "13",
        "name": "OUT4",
        "type": "output",
        "description": "Output of comparator 4, open-drain; connect to a load or pull-up resistor."
      },
      {
        "number": "14",
        "name": "OUT3",
        "type": "output",
        "description": "Output of comparator 3, open-drain; connect to a load or pull-up resistor."
      }
    ],
    "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": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet shows one shared SOP-14/TSSOP-14 pin diagram. The SOP-14 pin numbering comes from that",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.2545,
        "at": "2026-10-09T21:54:37"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603352579254329344",
        "pages": 9,
        "sha256": "6a3fe0a3e7e8bccc",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm339sr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm339sr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "893076dabe37e65957cba53392e20d6794b19c84c38003c4327852bf99af4dd0",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}