LM321MFX-JSM

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm321mfx-jsm",
  "title": "LM321MFX-JSM",
  "brief": "JSMSEMI LM321MFX Operational Amplifier, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "lm321mfx-jsm"
  ],
  "component": {
    "mpn": "LM321MFX-JSM",
    "manufacturer": "JSMSEMI LM321MFX",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2401051656_JSMSEMI-LM321MFX_C5189726.pdf",
    "parts": {
      "symbol": "lm321mfx-jsm.kicad_sym",
      "footprint": "lm321mfx-jsm.kicad_mod",
      "model_3d": "lm321mfx-jsm-etched.glb",
      "model_3d_plain": "lm321mfx-jsm.glb",
      "model_3d_step": "lm321mfx-jsm-etched.step",
      "model_3d_step_plain": "lm321mfx-jsm.step",
      "lbr": "lm321mfx-jsm.lbr"
    },
    "distributor_links": {
      "lcsc": "C5189726"
    },
    "pins": [
      {
        "number": "1",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting op-amp input. Input common-mode range includes ground; V- to (Vcc-1.5V). Input bias current ±45 nA typ."
      },
      {
        "number": "2",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply / ground. Tie to GND for single-supply operation or to negative rail for dual-supply (±12V max)."
      },
      {
        "number": "3",
        "name": "-IN",
        "type": "input",
        "description": "Inverting op-amp input. Input offset voltage ±2 mV typ, input bias current ±45 nA typ."
      },
      {
        "number": "4",
        "name": "OUTPUT",
        "type": "output",
        "description": "Op-amp output. Source current 20 mA typ, sink 10 mA typ at Vcc=15V. Short-circuit protected (continuous to ground for V≤15V)."
      },
      {
        "number": "5",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply. Single-supply range up to 24V (or ±12V dual). Quiescent current 0.5 mA typ at 5V, 0.7 mA typ at 24V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2401051656_JSMSEMI-LM321MFX_C5189726.pdf",
        "pages": 5,
        "sha256": "4c2b85fecc25909f",
        "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": "lm321mfx-jsm.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": "lm321mfx-jsm-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": "ae74f50fe66a2d0d6ed97dad963359338c9de77baf8de3b9ec344e35bc19ce19",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "JSMSEMI LM321MFX",
      "Package": "SOT-23-5",
      "Category": "Op-amp/Cmp",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm321mfx-jsm"
  ],
  "discovery_pitch": "LM321MFX-JSM (JSMSEMI LM321MFX) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm321mfx-jsm.kicad_sym",
    "lm321mfx-jsm.kicad_mod",
    "lm321mfx-jsm.glb",
    "lm321mfx-jsm.step",
    "lm321mfx-jsm-etched.step",
    "lm321mfx-jsm.lbr",
    "docs/hero.png",
    "docs/lm321mfx-jsm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LM321MFX-JSM",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T16:36:52.773Z"
}