main
Ray Set visibility: public efd87b9 11h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ntcg164qh474ht1",
  "title": "NTCG164QH474HT1",
  "brief": "TDK NTC Thermistors, 0603. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "extractor-text"
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    "subcategory": "NTC Thermistors",
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      "footprint": "ntcg164qh474ht1.kicad_mod",
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      "model_3d_plain": "ntcg164qh474ht1-etched.glb",
      "model_3d_step": "ntcg164qh474ht1-etched.step",
      "model_3d_step_plain": "ntcg164qh474ht1.step",
      "lbr": "ntcg164qh474ht1.lbr"
    },
    "distributor_links": {
      "lcsc": "C531306"
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    "distributor_check": {
      "checked_at": "2026-10-17T15:53:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First Ag/Ni/Sn end terminal of the 470 kΩ (25°C) ±3% NTC thermistor, B25/85 4750 K, permissible operating current 0.04 mA at 25°C, operating range -40 to 125°C; non-polarized."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
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      }
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet shows a 2-terminal chip NTC thermistor with no pin numbering or pin names. Pins '1' an",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 21,
        "cost_usd": 0.395,
        "at": "2026-10-17T15:51:07"
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        "pages": 21,
        "sha256": "6990af8164a49b7c",
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        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1875571c326d0d9e96f36b4efeb8094068ef7619f0a449c781caf0b49c2e5861",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "file": "ntcg164qh474ht1-etched.step",
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        "sha256": "884e57b9c583f38ff82bb96b0c27ac60cb72bd8124bf71a0d63d6aced2f64905",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "TDK",
      "Package": "0603",
      "Category": "Sensors",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "端子电极 (4) Ni",
        "page": 3,
        "doc": "ds.pdf",
        "plating": "nickel"
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      "version": 1,
      "datasheet_sha256": "6990af8164a49b7cddf6c537de866935d30ef6a70012024d8897cf5a08781cfe"
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    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "6990af8164a49b7cddf6c537de866935d30ef6a70012024d8897cf5a08781cfe",
      "rows": [
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          "name": "Nominal resistance (R25)",
          "symbol": "R25",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 470000,
          "max": null,
          "conditions": "at 25°C",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Resistance tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "H code (±3%)",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "B constant B25/85",
          "symbol": "B",
          "kind": "electrical",
          "unit": "K",
          "min": null,
          "typ": 4750,
          "max": null,
          "conditions": "25/85°C",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "B constant B25/50",
          "symbol": "B",
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          "unit": "K",
          "min": null,
          "typ": 4661,
          "max": null,
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          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "B constant B25/75",
          "symbol": "B",
          "kind": "electrical",
          "unit": "K",
          "min": null,
          "typ": 4728,
          "max": null,
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          "source": "datasheet"
        },
        {
          "name": "B constant B25/100",
          "symbol": "B",
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          "unit": "K",
          "min": null,
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          "max": null,
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          "source": "datasheet"
        },
        {
          "name": "B constant tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "B constant tolerance as printed (+/-3%)",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Allowable operating current",
          "symbol": "",
          "kind": "electrical",
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          "typ": null,
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          "name": "Operating temperature range",
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          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "includes self-temperature rise",
          "source_page": 12,
          "source": "datasheet"
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        {
          "name": "Storage temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "storage; range applies after board mounting",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum rated power",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "at 25°C rated ambient; depends on board layout (1608 size)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal dissipation constant",
          "symbol": "",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "at 25°C (1608 size)",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
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  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "NTCG164QH474HT1 (TDK) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}