LM35

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm35",
  "title": "LM35",
  "brief": "TI precision analog temperature sensor, TO-92. Linear 10 mV/C, -55 to +150 C, no calibration. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "temperature",
    "analog",
    "to-92",
    "texas-instruments"
  ],
  "component": {
    "mpn": "LM35",
    "manufacturer": "Texas Instruments",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Sensor",
    "subcategory": "Analog temperature sensor",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lm35.pdf",
    "parts": {
      "symbol": "lm35.kicad_sym",
      "footprint": "lm35.kicad_mod",
      "model_3d": "lm35-etched.glb",
      "model_3d_plain": "lm35.glb",
      "lbr": "lm35.lbr",
      "model_3d_step": "lm35-etched.step",
      "model_3d_step_plain": "lm35.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "+VS",
        "type": "power_in",
        "description": "Positive supply pin. Recommended operating range 4 V to 30 V; absolute max 35 V. Quiescent current is typ. 60 µA (LM35A at 5 V, 25°C)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "output",
        "description": "Analog temperature output. Linear scale factor +10 mV/°C referenced to GND (0 V at 0°C). Low-impedance output (~0.1 Ω at 1 mA load); rated output current 10 mA; output voltage range −1 V to +6 V (absolute max)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground pin; connect to power-supply negative terminal (or to the −VS rail in a full-range dual-supply configuration)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lm35.pdf",
        "pages": 38,
        "sha256": "1884601dffcbe160",
        "source_tier": "mfr"
      },
      "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": "lm35.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm35-etched.step",
        "role": "eda",
        "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": "88fe4bdcd396afbdaeef7e4c979b248331f9e16097b3f9c3192701c7d32a51f3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Analog temperature sensor",
      "Output": "10 mV/°C (linear, direct Celsius)",
      "Range": "-55 to +150 °C",
      "Accuracy": "±0.5 °C (typical)",
      "Calibration": "none required",
      "Supply current": "~60 µA",
      "Supply voltage": "4-30 V",
      "Package": "TO-92 (3-lead)"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm35",
    "analog temperature sensor",
    "10mv per degree",
    "celsius sensor"
  ],
  "discovery_pitch": "LM35 precision analog temperature sensor (TO-92, 10 mV/°C) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm35.kicad_sym",
    "lm35.kicad_mod",
    "lm35.glb",
    "lm35.lbr",
    "docs/hero.png",
    "docs/lm35-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm35-etched.step"
  ],
  "variants": [
    {
      "mpn": "LM35DZ (TO-92, 0 to 100 °C)",
      "kind": "packaging"
    },
    {
      "mpn": "LM35CZ (TO-92, -40 to 110 °C)",
      "kind": "packaging"
    }
  ]
}