GX18B20S

{
  "schema_version": 1,
  "type": "component",
  "slug": "gx18b20s",
  "title": "GX18B20S",
  "brief": "GXCAS Temperature and Humidity Sensor, TO-92S. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "gx18b20s"
  ],
  "component": {
    "mpn": "GX18B20S",
    "manufacturer": "GXCAS",
    "package": "TO-92S",
    "pin_count": 3,
    "category": "Sensor",
    "subcategory": "Temperature and Humidity Sensor",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7250806f676863850658887ba4f76a34.pdf",
    "parts": {
      "symbol": "gx18b20s.kicad_sym",
      "footprint": "gx18b20s.kicad_mod",
      "model_3d": "gx18b20s-etched.glb",
      "model_3d_plain": "gx18b20s.glb",
      "model_3d_step": "gx18b20s-etched.step",
      "model_3d_step_plain": "gx18b20s.step",
      "lbr": "gx18b20s.lbr"
    },
    "distributor_links": {
      "lcsc": "C472476"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device. Must be tied to system ground; when the device operates in parasite-power mode the VDD pin must also be tied to GND."
      },
      {
        "number": "2",
        "name": "DQ",
        "type": "bidirectional",
        "description": "1-Wire data input/output. Open-drain bidirectional data line; requires an external ~5 kΩ (typ. shown as 1 kΩ in strong-pullup examples) pull-up to VDD. Also supplies power to the device when used in parasite-power mode (charging the internal CPP capacitor while the bus is high)."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Optional external supply pin, 2.5 V to 5.5 V. Provides local power to the device; must be grounded when operating in parasite-power mode (device is powered from the DQ line instead)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/7250806f676863850658887ba4f76a34.pdf",
        "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": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        0,
        0
      ],
      "corner": "bottom-right",
      "source": "pad-position",
      "derived_from": "TO-92_Inline@sha256:19731cf8b8c297aa",
      "mark": "synthesised"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GXCAS",
      "Package": "TO-92S",
      "Category": "Sensor",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gx18b20s"
  ],
  "discovery_pitch": "GX18B20S (GXCAS) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gx18b20s.kicad_sym",
    "gx18b20s.kicad_mod",
    "gx18b20s.glb",
    "gx18b20s.step",
    "gx18b20s-etched.step",
    "gx18b20s.lbr",
    "docs/hero.png",
    "docs/gx18b20s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "GX18B20SS",
      "kind": "packaging"
    },
    {
      "mpn": "GX18B20SWS",
      "kind": "packaging"
    },
    {
      "mpn": "GX18B20SA",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T21:23:00.002Z"
}