LM321MF

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm321mf",
  "title": "LM321MF",
  "brief": "UMW Operational Amplifier, SOT-23-5L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "lm321mf"
  ],
  "component": {
    "mpn": "LM321MF",
    "manufacturer": "UMW",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "docs/lm321mf-datasheet.pdf",
    "parts": {
      "symbol": "lm321mf.kicad_sym",
      "footprint": "lm321mf.kicad_mod",
      "model_3d": "lm321mf-etched.glb",
      "model_3d_plain": "lm321mf.glb",
      "model_3d_step": "lm321mf-etched.step",
      "model_3d_step_plain": "lm321mf.step",
      "lbr": "lm321mf.lbr"
    },
    "distributor_links": {
      "lcsc": "C668208"
    },
    "pins": [
      {
        "number": "1",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting input of the op-amp. Input common-mode range is 0V to V+ - 1.5V. Input bias current ~45nA (out of pin, PNP input stage)."
      },
      {
        "number": "2",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply / ground pin. Typically tied to GND in single-supply operation. Supply voltage (V+ - V-) up to 32V absolute maximum."
      },
      {
        "number": "3",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input of the op-amp. Input common-mode range is 0V to V+ - 1.5V. Input bias current ~45nA (out of pin, PNP input stage)."
      },
      {
        "number": "4",
        "name": "OUTPUT",
        "type": "output",
        "description": "Op-amp output. Output sourcing current typ 40mA, sinking current typ 20mA (V+=15V). Output short-circuit current to GND ~40mA."
      },
      {
        "number": "5",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply pin. Operating range +3V to +32V (single-supply); absolute max 32V (V+ - V-). Supply current typ 430uA at V+=5V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "docs/lm321mf-datasheet.pdf",
        "pages": 9,
        "sha256": "0a42ee731ed21976",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "lm321mf.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm321mf-etched.step",
        "role": "eda",
        "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": "9545263e48aebbf00307840105075e19a80287b44fbdb0aa004b2b1044b4a391",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOT-23-5L",
      "Category": "Op-amp/Cmp",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0a42ee731ed21976",
      "rows": [
        {
          "name": "Supply Voltage (V+ - V-)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance to Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 265,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage range (wide supply voltage range feature)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 32,
          "conditions": "Feature listing: wide supply voltage range +3V to +32V",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm321mf"
  ],
  "discovery_pitch": "LM321MF (UMW) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm321mf.kicad_sym",
    "lm321mf.kicad_mod",
    "lm321mf.glb",
    "lm321mf.step",
    "lm321mf-etched.step",
    "lm321mf.lbr",
    "docs/hero.png",
    "docs/lm321mf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "LM321MF",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T16:36:37.491Z"
}