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Ray Set visibility: public ce7cb11 3d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "m1820p",
  "title": "M1820P",
  "brief": "Mysentech Temperature Sensors, TO-92S. 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",
    "m1820p",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "M1820P",
    "manufacturer": "Mysentech",
    "package": "TO-92S",
    "pin_count": 3,
    "category": "Sensors",
    "subcategory": "Temperature Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757703727656374272",
    "parts": {
      "symbol": "m1820p.kicad_sym",
      "footprint": "m1820p.kicad_mod",
      "model_3d": "m1820p-hero.glb",
      "model_3d_plain": "m1820p-etched.glb",
      "model_3d_step": "m1820p-etched.step",
      "model_3d_step_plain": "m1820p.step",
      "lbr": "m1820p.lbr"
    },
    "distributor_links": {
      "lcsc": "C3025191"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T16:04:07Z",
      "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."
      },
      {
        "number": "2",
        "name": "DQ",
        "type": "bidirectional",
        "description": "1-Wire digital interface, open-drain, needs external pull-up of 1 kΩ to 10 kΩ (typ. 4.7 kΩ); VIL max 0.3*VDD, VIH min 0.7*VDD."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply, 1.8 V to 5.5 V (3.3 V typ.), absolute maximum -0.3 to 6 V."
      }
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    "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: Pinout taken from the TO92S table listed directly under the section 4.3 'M1820 封装管脚图(TO92S)' heading; The datasheet does not state a supply-pin-to-pin mapping in a separate note for TO92S. The M1820P va"
        ],
        "pages_sent": 29,
        "cost_usd": 0.106,
        "at": "2026-10-18T16:01:49"
      },
      "datasheet": {
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        "pages": 29,
        "sha256": "ecdd68f8f5232fc5",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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      "footprint": "viewers/footprint.html"
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        "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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "m1820p-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "sha256": "45591b966e51c92d51aa7d97731cd4c4ad1f904cc1b8aff3ae1841745f9249a5",
        "checked": "2026-10-18",
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      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Mysentech",
      "Package": "TO-92S",
      "Category": "Sensors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ecdd68f8f5232fc5297ad2e4cdfd759de2566bd0750f4812248206111a622871",
      "rows": [
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          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": 3.3,
          "max": 5.5,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input logic low voltage (DQ)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "*VDD",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "DQ",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input logic high voltage (DQ)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "*VDD",
          "min": 0.7,
          "typ": null,
          "max": null,
          "conditions": "DQ",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Output low voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IOL = -3 mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Pull-up resistor",
          "symbol": "Rup",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 1,
          "typ": 4.7,
          "max": 10,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Idle supply current (single-measurement mode)",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "空闲状态(单次测量模式)",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Temperature measurement range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -70,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature error (M1820P)",
          "symbol": "tERR",
          "kind": "tolerance",
          "unit": "℃",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "-20℃ to +30℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature error (M1820P)",
          "symbol": "tERR",
          "kind": "tolerance",
          "unit": "℃",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "-30℃ to -20℃ & +30℃ to +40℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature error (M1820P)",
          "symbol": "tERR",
          "kind": "tolerance",
          "unit": "℃",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "-70℃ to -30℃ & +40℃ to +70℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature error (all variants)",
          "symbol": "tERR",
          "kind": "tolerance",
          "unit": "℃",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "-55°C to +125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature error (all variants)",
          "symbol": "tERR",
          "kind": "tolerance",
          "unit": "℃",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "-70°C to +150°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Long-term drift",
          "symbol": "",
          "kind": "electrical",
          "unit": "°C/年",
          "min": null,
          "typ": null,
          "max": 0.03,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage (absolute maximum)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Voltage on any pin (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input current on pins (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -70,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -70,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -8,
          "typ": null,
          "max": 8,
          "conditions": "Human body model",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Non-volatile memory write cycle time",
          "symbol": "tWR",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "-55℃到+125℃;VDD=1.8V到5.5V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "EEPROM write endurance",
          "symbol": "NEEWR",
          "kind": "electrical",
          "unit": "次",
          "min": 50000,
          "typ": null,
          "max": null,
          "conditions": "-55°C 到+55°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Time slot length",
          "symbol": "tSLOT",
          "kind": "timing",
          "unit": "µs",
          "min": 60,
          "typ": null,
          "max": 120,
          "conditions": "见备注",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Recovery time",
          "symbol": "tREC",
          "kind": "timing",
          "unit": "µs",
          "min": 1,
          "typ": null,
          "max": 5,
          "conditions": "见备注 1",
          "source_page": 23,
          "source": "datasheet"
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        {
          "name": "Write 0 low time",
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          "kind": "timing",
          "unit": "µs",
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          "typ": 60,
          "max": 120,
          "conditions": "见备注",
          "source_page": 23,
          "source": "datasheet"
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        {
          "name": "Write 1 low time",
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          "kind": "timing",
          "unit": "µs",
          "min": 1,
          "typ": 5,
          "max": 15,
          "conditions": "见备注",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Read data valid time",
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          "kind": "timing",
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          "min": 5,
          "typ": null,
          "max": 15,
          "conditions": "见备注",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Reset low time",
          "symbol": "tRSTL",
          "kind": "timing",
          "unit": "µs",
          "min": 480,
          "typ": null,
          "max": 960,
          "conditions": "见备注",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Presence detect high time",
          "symbol": "tPDHIGH",
          "kind": "timing",
          "unit": "µs",
          "min": 15,
          "typ": 30,
          "max": 60,
          "conditions": "见备注",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Presence detect low time",
          "symbol": "tPDLOW",
          "kind": "timing",
          "unit": "µs",
          "min": 60,
          "typ": 115,
          "max": 240,
          "conditions": "见备注",
          "source_page": 23,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "M1820P (Mysentech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}