LM339A-SR

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm339a-sr",
  "title": "LM339A-SR",
  "brief": "3PEAK Comparators, SOIC-14. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm339a-sr",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LM339A-SR",
    "manufacturer": "3PEAK",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834699595558912",
    "parts": {
      "symbol": "lm339a-sr.kicad_sym",
      "footprint": "lm339a-sr.kicad_mod",
      "model_3d": "lm339a-sr-etched.glb",
      "model_3d_plain": "lm339a-sr.glb",
      "model_3d_step": "lm339a-sr-etched.step",
      "model_3d_step_plain": "lm339a-sr.step",
      "lbr": "lm339a-sr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2981237",
      "digikey": "5503-LM339A-SRTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-09-29T16:52:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "5503-LM339A-SRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT_A",
        "type": "output",
        "description": "Open-drain output of comparator A; pulls low when −IN > +IN, VOL ≤ 400 mV at IOL = 4 mA (25 °C), leakage IOH ≤ 200 nA at VOH = 5 V."
      },
      {
        "number": "2",
        "name": "OUT_B",
        "type": "output",
        "description": "Open-drain output of comparator B; same electrical characteristics as OUT_A."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply, 2.5 V to 36 V single-supply or ±1.25 V to ±18 V split-supply; bypass with 0.1 µF ceramic capacitor placed within 2 mm of pin."
      },
      {
        "number": "4",
        "name": "+IN_B",
        "type": "input",
        "description": "Non-inverting input of comparator B; common-mode range 0 V to V+−1.5 V (25 °C), input bias current 4 nA typ, protected by 1 kΩ series ESD diode network."
      },
      {
        "number": "5",
        "name": "-IN_B",
        "type": "input",
        "description": "Inverting input of comparator B; same voltage range and bias current as +IN_B."
      },
      {
        "number": "6",
        "name": "-IN_A",
        "type": "input",
        "description": "Inverting input of comparator A; common-mode range 0 V to V+−1.5 V (25 °C), input bias current 4 nA typ."
      },
      {
        "number": "7",
        "name": "+IN_A",
        "type": "input",
        "description": "Non-inverting input of comparator A; same voltage range and bias current as −IN_A."
      },
      {
        "number": "8",
        "name": "+IN_C",
        "type": "input",
        "description": "Non-inverting input of comparator C; common-mode range 0 V to V+−1.5 V (25 °C), input bias current 4 nA typ."
      },
      {
        "number": "9",
        "name": "-IN_C",
        "type": "input",
        "description": "Inverting input of comparator C; same voltage range and bias current as +IN_C."
      },
      {
        "number": "10",
        "name": "-IN_D",
        "type": "input",
        "description": "Inverting input of comparator D; common-mode range 0 V to V+−1.5 V (25 °C), input bias current 4 nA typ."
      },
      {
        "number": "11",
        "name": "+IN_D",
        "type": "input",
        "description": "Non-inverting input of comparator D; same voltage range and bias current as −IN_D."
      },
      {
        "number": "12",
        "name": "V-",
        "type": "power_in",
        "description": "Negative power supply / GND; normally tied to ground, must maintain 2.5 V to 36 V between V+ and V−; bypass with 0.1 µF if not at ground."
      },
      {
        "number": "13",
        "name": "OUT_D",
        "type": "output",
        "description": "Open-drain output of comparator D; VOL ≤ 400 mV at IOL = 4 mA (25 °C), leakage IOH ≤ 200 nA at VOH = 5 V."
      },
      {
        "number": "14",
        "name": "OUT_C",
        "type": "output",
        "description": "Open-drain output of comparator C; same electrical characteristics as OUT_D."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834699595558912",
        "pages": 14,
        "sha256": "d7e89d5ed96db1e0",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "3PEAK",
      "Package": "SOIC-14",
      "Category": "Amplifiers/Comparators",
      "Pins": "14"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm339a-sr"
  ],
  "discovery_pitch": "LM339A-SR (3PEAK) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "lm339a-sr.glb",
    "lm339a-sr.step",
    "lm339a-sr.lbr",
    "docs/hero.png",
    "docs/lm339a-sr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "visibility": {
    "public": true
  }
}