LM741N

{
  "slug": "lm741n",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Operational Amplifier, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm741n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm741n.kicad_sym",
    "lm741n.kicad_mod",
    "lm741n.glb",
    "lm741n.step",
    "lm741n.lbr",
    "docs/hero.png",
    "docs/lm741n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm741n-hero.glb",
    "lm741n-hero.overlay.json",
    "lm741n-etched.glb"
  ],
  "component": {
    "mpn": "LM741N",
    "manufacturer": "HGSEMI",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603206380882829312",
    "parts": {
      "symbol": "lm741n.kicad_sym",
      "footprint": "lm741n.kicad_mod",
      "model_3d": "lm741n-hero.glb",
      "model_3d_plain": "lm741n-etched.glb",
      "model_3d_step": "lm741n-etched.step",
      "model_3d_step_plain": "lm741n.step",
      "lbr": "lm741n.lbr"
    },
    "distributor_links": {
      "lcsc": "C22446595"
    },
    "distributor_check": {
      "checked_at": "2026-10-14T19:54:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OFFSET NULL",
        "type": "passive",
        "description": "Offset null terminal; a 10 kΩ potentiometer to V- between pins 1 and 5 trims input offset voltage."
      },
      {
        "number": "2",
        "name": "INVERTING INPUT",
        "type": "input",
        "description": "Inverting input; absolute maximum input voltage ±15V (equal to supply if supply is below ±15V), differential input ±30V."
      },
      {
        "number": "3",
        "name": "NON-INVERTING INPUT",
        "type": "input",
        "description": "Non-inverting input; absolute maximum input voltage ±15V (equal to supply if supply is below ±15V), differential input ±30V."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply pin; supply voltage absolute maximum ±18V total span, and the offset-null potentiometer wiper connects here."
      },
      {
        "number": "5",
        "name": "OFFSET NULL",
        "type": "passive",
        "description": "Offset null terminal; connects to the other end of the 10 kΩ offset-nulling potentiometer with pin 1."
      },
      {
        "number": "6",
        "name": "OUTPUT",
        "type": "output",
        "description": "Amplifier output with continuous short-circuit protection; typical short-circuit current 25 mA at 25°C."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply pin; supply voltage absolute maximum ±18V."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      }
    ],
    "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": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1744,
        "at": "2026-10-14T19:54:03"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603206380882829312",
        "pages": 9,
        "sha256": "e35f79b267c6a1fd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm741n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm741n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "258d427123b98cc029d19aa074b893e2a355e1419eac12b2a0c4ca036c95f602",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}