main
Ray tl031cdr: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body wi… 6a15381 18h ago
{
  "slug": "tl031cdr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments FET Input Amplifiers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "tl031cdr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tl031cdr.kicad_sym",
    "tl031cdr.kicad_mod",
    "tl031cdr.glb",
    "tl031cdr.step",
    "tl031cdr.lbr",
    "docs/hero.png",
    "docs/tl031cdr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl031cdr-hero.glb",
    "tl031cdr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TL031CDR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "FET Input Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tl034a",
    "parts": {
      "symbol": "tl031cdr.kicad_sym",
      "footprint": "tl031cdr.kicad_mod",
      "model_3d": "tl031cdr-hero.glb",
      "model_3d_plain": "tl031cdr.glb",
      "model_3d_step": "tl031cdr-etched.step",
      "model_3d_step_plain": "tl031cdr.step",
      "lbr": "tl031cdr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2057866",
      "digikey": "296-47832-2-ND",
      "mouser": "595-TL031CDR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T05:27:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-47832-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TL031CDR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "2",
        "name": "IN–",
        "type": "input",
        "description": "Inverting input; the input voltage must not exceed the supply magnitude or 15 V, whichever is smaller, and the input current is limited to ±1 mA per input (absolute maximum ratings)."
      },
      {
        "number": "3",
        "name": "IN+",
        "type": "input",
        "description": "Non-inverting input; the same input voltage limit (supply magnitude or 15 V, whichever is smaller) and ±1 mA input current limit apply as for IN-."
      },
      {
        "number": "4",
        "name": "VCC–",
        "type": "power_in",
        "description": "Negative power supply; absolute maximum is -18 V and recommended operation is ±5 V to ±15 V."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Output; maximum output current is ±40 mA per output, and the output may be shorted to either supply, although prolonged short circuits at higher supply voltages can cause overheating and eventual destruction."
      },
      {
        "number": "7",
        "name": "VCC+",
        "type": "power_in",
        "description": "Positive power supply; absolute maximum is 18 V and recommended operation is ±5 V to ±15 V."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      }
    ],
    "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: TL031CDR is the C-suffix (0 to 70 °C) D (SOIC-8) orderable. Its pinout is taken from Figure 4-2 / Ta; Pin descriptions are translated from the Chinese-language datasheet. Limits in the descriptions come; The datasheet's ordering addendum (page 31) and tape-and-reel table (page 34) confirm TL031CDR as an"
        ],
        "pages_sent": 13,
        "cost_usd": 0.077,
        "at": "2026-10-11T05:27:13"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tl034a",
        "pages": 51,
        "sha256": "0193dd09165051c0",
        "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": "tl031cdr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tl031cdr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a2de87d140804acf332ac4ec8111188ce1dcd9e5dc9c93b22ce16d633a33a987",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}