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Ray Set visibility: public 0aba279 2d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "gx18b20",
  "title": "GX18B20",
  "brief": "GXCAS Temperature Sensors, TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "package": "TO-92",
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    "category": "Sensors",
    "subcategory": "Temperature Sensors",
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      "lbr": "gx18b20.lbr"
    },
    "distributor_links": {
      "lcsc": "C472471"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T04:07:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device."
      },
      {
        "number": "2",
        "name": "DQ",
        "type": "bidirectional",
        "description": "Data input/output and open-drain 1-Wire interface pin; it also supplies power to the device in parasite power mode."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Optional supply pin; VDD must be grounded for operation in parasite power mode, and the supply voltage range is 2.5V to 5.5V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 TO-92 pin numbers were taken from the column for TO-92 in the page 2 pin table (GND=1, DQ=2, VDD; The 2.5V to 5.5V supply range comes from the Features list, not the pin table; it is included in the"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0362,
        "at": "2026-10-19T04:04:29"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588888403966906368",
        "pages": 33,
        "sha256": "5ccf9b30c1910e5c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "file": "gx18b20.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gx18b20-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
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        "zmin_mm": -2.5,
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        "footprint_binding": "identity",
        "sha256": "03dfbc54baba16ac93db6d9fca51d515efc1f87ffec4d1a103df5cfbc82a1917",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "GXCAS",
      "Package": "TO-92",
      "Category": "Sensors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5ccf9b30c1910e5cccf03fc6f6bfba2b9d1fbff072e2fb8f994efd6b837eefc1",
      "rows": [
        {
          "name": "supply voltage",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.5,
          "conditions": "local power supply",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Pull up supply voltage",
          "symbol": "VPU",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.5,
          "conditions": "parasitic power supply",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Pull up supply voltage",
          "symbol": "VPU",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "local power",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "temperature error",
          "symbol": "tERR",
          "kind": "electrical",
          "unit": "℃",
          "min": -0.4,
          "typ": null,
          "max": 0.4,
          "conditions": "-10℃~+85℃",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "temperature error",
          "symbol": "tERR",
          "kind": "electrical",
          "unit": "℃",
          "min": -1.2,
          "typ": null,
          "max": 1.2,
          "conditions": "-55℃~+125℃",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "input logic low",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "input logic high",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": null,
          "conditions": "local power",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "input logic high",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "parasitic power",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "stand-by current",
          "symbol": "IDDS",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 750,
          "max": 1000,
          "conditions": "",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Working current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": 1.5,
          "conditions": "VDD = 5V",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Drift",
          "symbol": "",
          "kind": "electrical",
          "unit": "℃",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "1000-hour stress test at +125°C with VDD = 5.5V",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "NV Write Cycle Time",
          "symbol": "tWR",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 8,
          "max": 12,
          "conditions": "",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Time to Strong Pullup On",
          "symbol": "tSPON",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Start Convert T command issued",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Time Slot",
          "symbol": "tSLOT",
          "kind": "timing",
          "unit": "µs",
          "min": 60,
          "typ": null,
          "max": 120,
          "conditions": "",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Write 0 Low Time",
          "symbol": "tLOW0",
          "kind": "timing",
          "unit": "µs",
          "min": 60,
          "typ": null,
          "max": 120,
          "conditions": "",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Write 1 Low Time",
          "symbol": "tLOW1",
          "kind": "timing",
          "unit": "µs",
          "min": 1,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Presence-Detect High",
          "symbol": "tPDHIGH",
          "kind": "timing",
          "unit": "µs",
          "min": 15,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Presence-Detect Low",
          "symbol": "tPDLOW",
          "kind": "timing",
          "unit": "µs",
          "min": 60,
          "typ": null,
          "max": 240,
          "conditions": "",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Temperature Conversion Time",
          "symbol": "tCONV",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": null,
          "max": 750,
          "conditions": "12-bit resolution",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Voltage Range on Any Pin Relative to Ground",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 22,
          "source": "datasheet"
        }
      ]
    }
  },
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gx18b20"
  ],
  "discovery_pitch": "GX18B20 (GXCAS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "gx18b20-etched.glb"
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  "visibility": {
    "public": true
  }
}