LM331A-S5TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm331a-s5tr",
  "title": "LM331A-S5TR",
  "brief": "3PEAK Comparators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm331a-s5tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM331A-S5TR",
    "manufacturer": "3PEAK",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589041744331878400",
    "parts": {
      "symbol": "lm331a-s5tr.kicad_sym",
      "footprint": "lm331a-s5tr.kicad_mod",
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      "lbr": "lm331a-s5tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C3033320",
      "digikey": "5503-LM331A-S5TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T03:00:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "5503-LM331A-S5TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Out",
        "type": "output",
        "description": "Open-collector comparator output that can be wire-ANDed with other open-collector outputs, with low-level output current of 10 mA at VOL = 1.5 V and absolute maximum output current of ±20 mA."
      },
      {
        "number": "2",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply, ground in single-supply operation, with total supply V+ − V− from 2.5 V to 36 V (42 V absolute maximum)."
      },
      {
        "number": "3",
        "name": "-In",
        "type": "input",
        "description": "Inverting comparator input with common-mode range from 0 V to VCC − 1.5 V (VCC − 2 V over temperature) and input current limited to ±20 mA absolute maximum."
      },
      {
        "number": "4",
        "name": "+In",
        "type": "input",
        "description": "Non-inverting comparator input with common-mode range from 0 V to VCC − 1.5 V (VCC − 2 V over temperature) and input current limited to ±20 mA absolute maximum."
      },
      {
        "number": "5",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply from 2.5 V to 36 V relative to V− (42 V absolute maximum), bypassed with a 0.01 μF to 0.1 μF capacitor within 2 mm."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
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        "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": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 17,
        "cost_usd": 0.2715,
        "at": "2026-10-19T02:58:06"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589041744331878400",
        "pages": 17,
        "sha256": "77353c031a972890",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm331a-s5tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-19",
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        "sha256": "14fbde9a65b271ef9de7936634617d2fb894ae28cb07bbc9569aa9119113f10b",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "3PEAK",
      "Package": "SOT-23-5",
      "Category": "Amplifiers/Comparators",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "77353c031a9728902133c245c75b8b50167d2a917adfe2a22dde15a7d17c8f5e",
      "rows": [
        {
          "name": "Supply Voltage (VCC)",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 36,
          "conditions": "TA = −40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -6,
          "typ": 0.6,
          "max": 6,
          "conditions": "VCC = 5 V to 30 V, VCM = 0V, VO = 1.4 V, TA = −40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
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          "typ": 0.1,
          "max": 1,
          "conditions": "VDM = 0 V, VCM = 0 V",
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          "name": "Input Bias Current",
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          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 1,
          "max": 10,
          "conditions": "VDM = 0 V, VCM = 0 V, TA = −40°C to 125°C",
          "source_page": 6,
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        },
        {
          "name": "Input Offset Current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VDM = 0 V, VCM = 0 V",
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          "kind": "electrical",
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          "max": 10,
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          "source_page": 6,
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        {
          "name": "Common-mode Input Voltage Range",
          "symbol": "VCM",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Large-signal Differential Voltage Amplification",
          "symbol": "AVD",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "VCC = 15 V, VO = 1.4 V to 11.4 V, RL ≥ 15 kΩ to VCC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High-level Output Current",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 25,
          "max": 200,
          "conditions": "VOH = 5 V, VID = 1 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 250,
          "max": 400,
          "conditions": "IOL = 4 mA, VID = −1 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "IOL = 4 mA, VID = −1 V, TA = −40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current per Comparator",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 150,
          "max": 300,
          "conditions": "VCC = 5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (V+ − V−)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 42,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Current (+IN, −IN)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Current (OUT)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current at Supply Pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -60,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Maximum Junction Temperature (TJ)",
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          "unit": "°C",
          "min": null,
          "typ": null,
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          "conditions": "",
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        {
          "name": "Operating Temperature Range (TA)",
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          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        },
        {
          "name": "Storage Temperature Range (TSTG)",
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          "unit": "°C",
          "min": -65,
          "typ": null,
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          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 sec soldering",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient Thermal Resistance (θJA)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "SOT23-5 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case Thermal Resistance (θJC)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 81,
          "max": null,
          "conditions": "SOT23-5 package",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "LM331A-S5TR (3PEAK) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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