GX18B20Z

{
  "slug": "gx18b20z",
  "version": "0.1.0",
  "type": "component",
  "description": "GXCAS Temperature Sensors, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "sensors",
    "gx18b20z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gx18b20z.kicad_sym",
    "gx18b20z.kicad_mod",
    "gx18b20z.glb",
    "gx18b20z.step",
    "gx18b20z.lbr",
    "docs/hero.png",
    "docs/gx18b20z-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gx18b20z-hero.glb",
    "gx18b20z-hero.overlay.json",
    "gx18b20z-etched.glb"
  ],
  "component": {
    "mpn": "GX18B20Z",
    "manufacturer": "GXCAS",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Sensors",
    "subcategory": "Temperature Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907354239225857",
    "parts": {
      "symbol": "gx18b20z.kicad_sym",
      "footprint": "gx18b20z.kicad_mod",
      "model_3d": "gx18b20z-hero.glb",
      "model_3d_plain": "gx18b20z-etched.glb",
      "model_3d_step": "gx18b20z-etched.step",
      "model_3d_step_plain": "gx18b20z.step",
      "lbr": "gx18b20z.lbr"
    },
    "distributor_links": {
      "lcsc": "C571218"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:44:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected; the datasheet says this pin is an empty pin or one that does not need to be connected."
      },
      {
        "number": "2",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected; the datasheet says this pin is an empty pin or one that does not need to be connected."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply pin for external power, 2.5 V to 5.5 V per the DC characteristics; in parasitic-power mode this pin must be connected to ground."
      },
      {
        "number": "4",
        "name": "DQ",
        "type": "bidirectional",
        "description": "1-Wire data input/output; it requires an external pull-up of about 5 kΩ (4.7 kΩ in the application circuit) and also supplies the chip in parasitic-power mode."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device; all voltages are referenced to this pin."
      },
      {
        "number": "6",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected; the datasheet says this pin is an empty pin or one that does not need to be connected."
      },
      {
        "number": "7",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected; the datasheet says this pin is an empty pin or one that does not need to be connected."
      },
      {
        "number": "8",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected; the datasheet says this pin is an empty pin or one that does not need to be connected."
      }
    ],
    "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 SOP-8 pinout is taken from the pin-description table on page 2 (columns MSOP8, TO-92, TO-92S, SO; The 'all voltages referenced to ground' wording for GND and the 4.7 kΩ value in the DQ description c"
        ],
        "pages_sent": 27,
        "cost_usd": 0.0933,
        "at": "2026-10-19T06:42:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907354239225857",
        "pages": 27,
        "sha256": "e85c345c5677d199",
        "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": "gx18b20z.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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gx18b20z-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": "e55c0682bb0bf5be583ab336b546cf044b394501d09be34420deedf735d0acaa",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}