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Ray Set visibility: public 0695cc9 2d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ds18b20-ms",
  "title": "DS18B20-MS",
  "brief": "MSKSEMI 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": [
    "component",
    "sensors",
    "ds18b20-ms",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DS18B20-MS",
    "manufacturer": "MSKSEMI",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Sensors",
    "subcategory": "Temperature Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904450401705984",
    "parts": {
      "symbol": "ds18b20-ms.kicad_sym",
      "footprint": "ds18b20-ms.kicad_mod",
      "model_3d": "ds18b20-ms-hero.glb",
      "model_3d_plain": "ds18b20-ms-etched.glb",
      "model_3d_step": "ds18b20-ms-etched.step",
      "model_3d_step_plain": "ds18b20-ms.step",
      "lbr": "ds18b20-ms.lbr"
    },
    "distributor_links": {
      "lcsc": "C5379069"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T13:30:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the DS18B20 (TO-92 pin 1, 1-Wire bus and supply return)."
      },
      {
        "number": "2",
        "name": "DQ",
        "type": "bidirectional",
        "description": "Data input/output pin of the 1-Wire bus; it needs an external pull-up (about 4.7 kΩ to 5 kΩ shown in the datasheet) and also powers the chip in parasitic mode, where a strong pull-up is required during temperature conversion and EEPROM copy."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply pin, 2.5 V to 5.5 V in local-supply mode; it must be connected to GND when the device runs in parasitic power mode."
      }
    ],
    "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: Pin numbers and types come from the pin table on page 2, whose columns are MSOP8, TO-92, TO-92S, SOP; The 4.7 kΩ value in the DQ description comes from the application figure, and the datasheet text sta; The datasheet has no N.C. pins for the TO-92 package (the N.C. entry lists only MSOP8 and SOP8 pins)"
        ],
        "pages_sent": 27,
        "cost_usd": 0.0137,
        "at": "2026-10-19T13:28:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904450401705984",
        "pages": 27,
        "sha256": "e6f402932e96c15e",
        "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"
    },
    "models_3d": [
      {
        "file": "ds18b20-ms.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          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)"
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      {
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        "role": "eda",
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        "sha256": "c2a120a88615d127d9de2d81b458f158057eca4cea26cfcb1b3167add8a041af",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "MSKSEMI",
      "Package": "TO-92",
      "Category": "Sensors",
      "Pins": "3"
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    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "e6f402932e96c15e28a6f6785ed98068009c2e2e1340450784a756fd0507121a",
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          "name": "各引脚对地电压范围",
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          "kind": "absolute_maximum",
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          "max": 6,
          "conditions": "各引脚对地的电压范围",
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        },
        {
          "name": "工作温度范围",
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          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
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        },
        {
          "name": "储存范围",
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          "unit": "℃",
          "min": -55,
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        },
        {
          "name": "供电电压",
          "symbol": "VDD",
          "kind": "electrical",
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          "min": 2.5,
          "typ": null,
          "max": 5.5,
          "conditions": "局部供电",
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        },
        {
          "name": "上拉供电电压 (寄生供电)",
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        {
          "name": "上拉供电电压 (局部供电)",
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        },
        {
          "name": "输入逻辑低电平",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "输入逻辑高电平 (局部供电)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 5.5,
          "conditions": "局部供电",
          "source_page": 20,
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        },
        {
          "name": "输入逻辑高电平 (寄生供电)",
          "symbol": "VIH",
          "kind": "electrical",
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          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "寄生供电",
          "source_page": 20,
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        },
        {
          "name": "灌电流",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "VI/O = 0.4V",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "待机电流",
          "symbol": "IDDS",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 750,
          "max": 1000,
          "conditions": "note 7: 70℃; note 8: GND ≤ DQ ≤ GND+0.3V or VDD−0.3V ≤ DQ ≤ VDD",
          "source_page": 20,
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        },
        {
          "name": "工作电流",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": 1.5,
          "conditions": "VDD = 5V",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "温度误差 (-10℃~+85℃)",
          "symbol": "tERR",
          "kind": "tolerance",
          "unit": "℃",
          "min": -0.4,
          "typ": null,
          "max": 0.4,
          "conditions": "-10℃~+85℃",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "温度误差 (-55℃~+125℃)",
          "symbol": "tERR",
          "kind": "tolerance",
          "unit": "℃",
          "min": -1.2,
          "typ": null,
          "max": 1.2,
          "conditions": "-55℃~+125℃",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "漂移",
          "symbol": "",
          "kind": "tolerance",
          "unit": "℃",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "note 11: after 1000 h at +125℃, VDD = 5.5V",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "温度转换时间 (9-bit)",
          "symbol": "tCONV",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "9-bit resolution",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "温度转换时间 (10-bit)",
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          "kind": "timing",
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          "conditions": "10-bit resolution",
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          "kind": "timing",
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          "kind": "timing",
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          "typ": null,
          "max": 400,
          "conditions": "12-bit resolution",
          "source_page": 21,
          "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": 21,
          "source": "datasheet"
        },
        {
          "name": "Time Slot",
          "symbol": "tSLOT",
          "kind": "timing",
          "unit": "µs",
          "min": 60,
          "typ": null,
          "max": 120,
          "conditions": "",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Recovery Time",
          "symbol": "tREC",
          "kind": "timing",
          "unit": "µs",
          "min": 1,
          "typ": null,
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        },
        {
          "name": "Write 0 Low Time",
          "symbol": "tLOW0",
          "kind": "timing",
          "unit": "µs",
          "min": 60,
          "typ": null,
          "max": 120,
          "conditions": "",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Write 1 Low Time",
          "symbol": "tLOW1",
          "kind": "timing",
          "unit": "µs",
          "min": 1,
          "typ": null,
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          "source_page": 21,
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        },
        {
          "name": "Read Data Valid",
          "symbol": "tRDV",
          "kind": "timing",
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          "min": null,
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        },
        {
          "name": "Reset Time High",
          "symbol": "tRSTH",
          "kind": "timing",
          "unit": "µs",
          "min": 480,
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          "source_page": 21,
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        },
        {
          "name": "Presence-Detect High",
          "symbol": "tPDHIGH",
          "kind": "timing",
          "unit": "µs",
          "min": 15,
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          "typ": null,
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        },
        {
          "name": "NV Write Cycle Time",
          "symbol": "tWR",
          "kind": "timing",
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          "min": null,
          "typ": 8,
          "max": 12,
          "conditions": "",
          "source_page": 21,
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        },
        {
          "name": "EEPROM Writes",
          "symbol": "NEEWR",
          "kind": "electrical",
          "unit": "writes",
          "min": 1000,
          "typ": null,
          "max": null,
          "conditions": "-55°C to +55°C",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "EEPROM Data Retention",
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          "kind": "electrical",
          "unit": "years",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "-55°C to +55°C",
          "source_page": 21,
          "source": "datasheet"
        }
      ]
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  },
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  "discovery_triggers": [
    "ds18b20-ms"
  ],
  "discovery_pitch": "DS18B20-MS (MSKSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}