1C237400AB0A

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  "title": "1C237400AB0A",
  "brief": "KDS Daishinku Crystals, SMD3225-4P. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "1C237400AB0A",
    "manufacturer": "KDS Daishinku",
    "package": "SMD3225-4P",
    "pin_count": 4,
    "category": "Crystals, Oscillators, Resonators",
    "subcategory": "Crystals",
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    "distributor_links": {
      "lcsc": "C253765"
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      "checked_at": "2026-10-20T22:53:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
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    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal connected to the quartz crystal element; the datasheet states no electrical limits for this terminal."
      },
      {
        "number": "2",
        "name": "2",
        "type": "unconnected",
        "description": "Terminal is open (not connected to the quartz element) and should be left unconnected."
      },
      {
        "number": "3",
        "name": "3",
        "type": "passive",
        "description": "Terminal connected to the quartz crystal element; the datasheet states no electrical limits for this terminal."
      },
      {
        "number": "4",
        "name": "4",
        "type": "unconnected",
        "description": "Terminal is open (not connected to the quartz element) and should be left unconnected."
      }
    ],
    "provenance": {
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        "pages": 13,
        "sha256": "03429dba1edfef68",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": 0,
        "centre_offset_mm": 0.001,
        "footprint_binding": "identity",
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  "metadata": {
    "specs": {
      "Manufacturer": "KDS Daishinku",
      "Package": "SMD3225-4P",
      "Category": "Crystals, Oscillators, Resonators",
      "Pins": "4"
    },
    "appearance": {
      "contacts": {
        "quote": "Plating material of a terminal. : Ni Plating + Au Plating. A clearance between the soldering terminal portion and a print circuit board side should be less than 0.1mm.",
        "page": 3,
        "doc": "ds.pdf",
        "plating": "gold"
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      "version": 1,
      "datasheet_sha256": "03429dba1edfef680a4a1d95fd3944bc0fb5b53475e07948f87c687e20938170"
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    "characteristics": {
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      "rows": [
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          "name": "Frequency tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "at +25 ± 3 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Frequency characteristics over temperature (ref. to +25°C)",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm",
          "min": -12,
          "typ": null,
          "max": 12,
          "conditions": "ref. to +25 °C, -20 ~ +75 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Series resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "at Series",
          "source_page": 2,
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        },
        {
          "name": "Shunt capacitance",
          "symbol": "",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Insulation resistance",
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          "min": 500,
          "typ": null,
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          "conditions": "DC 100 ± 15V",
          "source_page": 2,
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          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 75,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Nominal frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 37.4,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load capacitance (CL)",
          "symbol": "CL",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
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    "email": "[email protected]"
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