π120M31

{
  "slug": "120m31",
  "version": "0.1.0",
  "type": "component",
  "description": "2Pai Semi Digital Isolators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "signal isolation devices",
    "π120m31",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "120m31.kicad_sym",
    "120m31.kicad_mod",
    "120m31.glb",
    "120m31.step",
    "120m31.lbr",
    "docs/hero.png",
    "docs/120m31-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "120m31-hero.glb",
    "120m31-hero.overlay.json",
    "120m31-etched.glb"
  ],
  "component": {
    "mpn": "π120M31",
    "manufacturer": "2Pai Semi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Signal Isolation Devices",
    "subcategory": "Digital Isolators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884720239591424",
    "parts": {
      "symbol": "120m31.kicad_sym",
      "footprint": "120m31.kicad_mod",
      "model_3d": "120m31-hero.glb",
      "model_3d_plain": "120m31-etched.glb",
      "model_3d_step": "120m31-etched.step",
      "model_3d_step_plain": "120m31.step",
      "lbr": "120m31.lbr"
    },
    "distributor_links": {
      "lcsc": "C471592"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T08:00:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD1",
        "type": "power_in",
        "description": "Supply voltage for isolator side 1, specified for 3.0 V to 5.5 V; side 1 is treated as unpowered below 2.3 V and powered at 2.9 V or above."
      },
      {
        "number": "2",
        "name": "VIA",
        "type": "input",
        "description": "Logic input A, referenced to side 1 supply VDD1, with VIH of 0.7×VDD1 minimum and VIL of 0.3×VDD1 maximum."
      },
      {
        "number": "3",
        "name": "VIB",
        "type": "input",
        "description": "Logic input B, referenced to side 1 supply VDD1, with VIH of 0.7×VDD1 minimum and VIL of 0.3×VDD1 maximum."
      },
      {
        "number": "4",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground 1, the ground reference for isolator side 1 (VDD1 side)."
      },
      {
        "number": "5",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground 2, the ground reference for isolator side 2 (VDD2 side); isolated from GND1."
      },
      {
        "number": "6",
        "name": "VOB",
        "type": "output",
        "description": "Logic output B on isolator side 2, driven from the side 2 supply VDD2 with a rated average output current of −10 mA to +10 mA."
      },
      {
        "number": "7",
        "name": "VOA",
        "type": "output",
        "description": "Logic output A on isolator side 2, driven from the side 2 supply VDD2 with a rated average output current of −10 mA to +10 mA."
      },
      {
        "number": "8",
        "name": "VDD2",
        "type": "power_in",
        "description": "Supply voltage for isolator side 2, specified for 3.0 V to 5.5 V; side 2 is treated as unpowered below 2.3 V and powered at 2.9 V or above."
      }
    ],
    "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: Ordering Guide maps π120M31 to the 8-Lead SOIC_N (S-8-N) package, 2 inputs on the VDD1 side, 0 on th; Table 2 lists the supply voltage minimum as 1 V, while the text and Table 4/5 conditions state 3.0 V; The 'Powered' and 'Unpowered' thresholds (2.9 V and 2.3 V) come from the Truth Table notes. Pin 2 an"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0908,
        "at": "2026-10-18T07:58:28"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884720239591424",
        "pages": 15,
        "sha256": "4fbbd7bc7c4e10cc",
        "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": "120m31.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "120m31-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8699a81f3750877854404900bfc23bf9c2ac2ccb55c9a3d33e11cb55f5f33139",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}