WS72321D-4

{
  "slug": "ws72321d-4",
  "version": "0.1.0",
  "type": "component",
  "description": "WILLSEMI Will Semicon Operational Amplifier, DFN1x1-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "ws72321d-4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ws72321d-4.kicad_sym",
    "ws72321d-4.kicad_mod",
    "ws72321d-4.glb",
    "ws72321d-4.step",
    "ws72321d-4.lbr",
    "docs/hero.png",
    "docs/ws72321d-4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ws72321d-4-hero.glb",
    "ws72321d-4-hero.overlay.json"
  ],
  "component": {
    "mpn": "WS72321D-4",
    "manufacturer": "WILLSEMI Will Semicon",
    "package": "DFN1x1-4",
    "pin_count": 5,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908052097228800",
    "parts": {
      "symbol": "ws72321d-4.kicad_sym",
      "footprint": "ws72321d-4.kicad_mod",
      "model_3d": "ws72321d-4-hero.glb",
      "model_3d_plain": "ws72321d-4.glb",
      "model_3d_step": "ws72321d-4-etched.step",
      "model_3d_step_plain": "ws72321d-4.step",
      "lbr": "ws72321d-4.lbr"
    },
    "distributor_links": {
      "lcsc": "C16197393"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T16:59:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Amplifier output with rail-to-rail swing, short-circuit current 43mA source / 47mA sink and unlimited short-circuit duration."
      },
      {
        "number": "2",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input, common-mode range (V-)-0.2V to (V+)+0.2V."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting input, common-mode range (V-)-0.2V to (V+)+0.2V."
      },
      {
        "number": "4",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply, single supply operation 1.8V to 5.5V (absolute maximum 6V between V+ and V-)."
      },
      {
        "number": "5",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply (ground in single-supply use)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table for WS72321D-4/TR & WS72321DA-4/TR on page 2 lists five pins, including pin 5 V- (Nega; Pin descriptions for the common-mode range and supply limits are taken from the Absolute Maximum Rat",
          "exposed pad 5 added from the footprint"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0475,
        "at": "2026-10-09T16:57:41"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908052097228800",
        "pages": 17,
        "sha256": "9712e4651a581ed5",
        "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": "ws72321d-4.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.0,
          0.98,
          0.57
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "86e5f8eefe287160705813dbaa7f6606754ab347715fbffa4ee680635c44541f",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ws72321d-4-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.0,
          0.98,
          0.57
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "af03c9e37b5ccfa57b82d993b4f6b4364545f01dedcf084d9f38989e29a08e3f",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}