DS18B20U

{
  "slug": "ds18b20u",
  "version": "0.1.0",
  "type": "component",
  "description": "Mysentech Temperature Sensors, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "sensors",
    "ds18b20u",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds18b20u.kicad_sym",
    "ds18b20u.kicad_mod",
    "ds18b20u.glb",
    "ds18b20u.step",
    "ds18b20u.lbr",
    "docs/hero.png",
    "docs/ds18b20u-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ds18b20u-hero.glb",
    "ds18b20u-hero.overlay.json",
    "ds18b20u-etched.glb"
  ],
  "component": {
    "mpn": "DS18B20U",
    "manufacturer": "Mysentech",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Sensors",
    "subcategory": "Temperature Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757703799320657920",
    "parts": {
      "symbol": "ds18b20u.kicad_sym",
      "footprint": "ds18b20u.kicad_mod",
      "model_3d": "ds18b20u-hero.glb",
      "model_3d_plain": "ds18b20u-etched.glb",
      "model_3d_step": "ds18b20u-etched.step",
      "model_3d_step_plain": "ds18b20u.step",
      "lbr": "ds18b20u.lbr"
    },
    "distributor_links": {
      "lcsc": "C22360666",
      "mouser": "700-DS18B20U-NR"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T06:32:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "700-DS18B20U-NR",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DQ",
        "type": "bidirectional",
        "description": "Single-wire digital data input/output of the 1-Wire interface, an open-drain/tri-state port that needs an external pull-up of about 4.7 kΩ (1 kΩ to 10 kΩ per the DC table) and a bus held low longer than 480 µs resets all devices."
      },
      {
        "number": "2",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected (no internal connection for this package variant)."
      },
      {
        "number": "3",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected (no internal connection for this package variant)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all voltages on the device."
      },
      {
        "number": "5",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected (no internal connection for this package variant)."
      },
      {
        "number": "6",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected (no internal connection for this package variant)."
      },
      {
        "number": "7",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected (no internal connection for this package variant)."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply pin for external power, with a supply range of 1.8 V to 5.5 V; the datasheet also allows parasitic (DQ-powered) operation."
      }
    ],
    "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: MPN mismatch: the request is DS18B20U, but the datasheet is for the MYDS18B20 series. The MSOP8 vari; The MSOP8 pin mapping comes from the pin-assignment table on page 3 (MSOP8 column: DQ=1, N.C.=2,3,5,; The DQ description includes the pull-up range (1 kΩ to 10 kΩ) and the 480 µs reset condition from th"
        ],
        "pages_sent": 27,
        "cost_usd": 0.0833,
        "at": "2026-10-17T06:30:43"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757703799320657920",
        "pages": 27,
        "sha256": "190d56a780e2d38b",
        "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": "ds18b20u.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds18b20u-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "29b6b9ce3cf3f93ff3a2e62f7545391a4fd35fafddba2ad5e6883c3141fe27ba",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}