main
Ray Set visibility: public c065e5d 9h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "dt-38-32-768khz",
  "title": "DT-38 32.768KHz",
  "brief": "KDS Daishinku Crystals, DT-38. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "crystals-oscillators-resonators",
    "dt-38 32.768khz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DT-38 32.768KHz",
    "manufacturer": "KDS Daishinku",
    "package": "DT-38",
    "pin_count": 2,
    "category": "Crystals/Oscillators/Resonators",
    "subcategory": "Crystals",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f19e304d5d394c51b840938f1466bb18.pdf",
    "parts": {
      "symbol": "dt-38-32-768khz.kicad_sym",
      "footprint": "dt-38-32-768khz.kicad_mod",
      "model_3d": "dt-38-32-768khz-hero.glb",
      "model_3d_plain": "dt-38-32-768khz-etched.glb",
      "model_3d_step": "dt-38-32-768khz-etched.step",
      "model_3d_step_plain": "dt-38-32-768khz.step",
      "lbr": "dt-38-32-768khz.lbr"
    },
    "distributor_links": {
      "lcsc": "C93228"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T08:02:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal 1 of a two-terminal crystal; either orientation."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Terminal 2 of a two-terminal crystal; either orientation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins",
        "primary_model": "crystal numbering",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": null,
        "cost_usd": 0,
        "at": "2026-10-21T07:59:02"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f19e304d5d394c51b840938f1466bb18.pdf",
        "pages": 1,
        "sha256": "",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "dt-38-32-768khz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          3,
          3,
          12.4
        ],
        "zmin_mm": -3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3876f89beedbb9c9ae132f80ae84c04d5c7c9cebcabc81ac09e676cfd18439d1",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dt-38-32-768khz-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": [
          3,
          3,
          12.4
        ],
        "zmin_mm": -3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "910800e0ca9c2db1cf51a40cfe3f1b290a1c3cf9c69564cbab61aac179cb6f70",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "KDS Daishinku",
      "Package": "DT-38",
      "Category": "Crystals/Oscillators/Resonators",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "",
      "rows": [
        {
          "name": "Frequency tolerance, Grade A",
          "symbol": "",
          "kind": "tolerance",
          "unit": "×10−6",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "GRADE A, at 25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency tolerance, Grade B",
          "symbol": "",
          "kind": "tolerance",
          "unit": "×10−6",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "GRADE B, at 25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Series resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drive level",
          "symbol": "",
          "kind": "electrical",
          "unit": "μW",
          "min": null,
          "typ": 1,
          "max": 2,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Turning point temperature tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "℃",
          "min": -5,
          "typ": 25,
          "max": 5,
          "conditions": "Turning point +25℃ ±5℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Secondary temperature coefficient",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "×10−6/℃²",
          "min": null,
          "typ": null,
          "max": -0.04,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -10,
          "typ": null,
          "max": 60,
          "conditions": "運行温度範囲 (operating temperature range)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -20,
          "typ": null,
          "max": 70,
          "conditions": "保存温度範囲 (storage temperature range)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Nominal frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 32.768,
          "max": null,
          "conditions": "Frequency range, DT-38 column",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Load capacitance",
          "symbol": "CL",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 12.5,
          "max": null,
          "conditions": "※1: capacitance value can be changed as required",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Parallel capacitance",
          "symbol": "",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 1.3,
          "max": null,
          "conditions": "※2: 依据个别规格 (per individual specification)",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "dt-38 32.768khz"
  ],
  "discovery_pitch": "DT-38 32.768KHz (KDS Daishinku) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dt-38-32-768khz.kicad_sym",
    "dt-38-32-768khz.kicad_mod",
    "dt-38-32-768khz.glb",
    "dt-38-32-768khz.step",
    "dt-38-32-768khz.lbr",
    "docs/hero.png",
    "docs/dt-38-32-768khz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dt-38-32-768khz-hero.glb",
    "dt-38-32-768khz-hero.overlay.json",
    "dt-38-32-768khz-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}