main
Ray Set visibility: public 7146c0d 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "7f40000e09ucg",
  "title": "7F40000E09UCG",
  "brief": "SJK SHENZHEN CRYSTAL TECH Crystals, SMD2016-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "7F40000E09UCG",
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    "package": "SMD2016-4P",
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    "category": "Crystals, Oscillators, Resonators",
    "subcategory": "Crystals",
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    "distributor_links": {
      "lcsc": "C557163"
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    "distributor_check": {
      "checked_at": "2026-10-16T14:46:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
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    },
    "pins": [
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        "name": "XTAL1",
        "type": "passive",
        "description": "Crystal terminal 1 (unlabeled in the drawing, connected to the crystal element) for the 40.000MHz fundamental AT-cut crystal with 9.0pF load capacitance."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Marked GND in the top-view crystal connection drawing; tied to the lid/ground pad of the 2.0x1.6mm package."
      },
      {
        "number": "3",
        "name": "XTAL2",
        "type": "passive",
        "description": "Crystal terminal 2 (unlabeled in the drawing, connected to the crystal element) for the 40.000MHz fundamental AT-cut crystal with 9.0pF load capacitance."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Marked GND in the top-view crystal connection drawing; tied to the lid/ground pad of the 2.0x1.6mm package."
      }
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    "provenance": {
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        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The drawing labels only pins 2 and 4 as GND. The crystal element connects to pins 1 and 3 diagonally",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.1416,
        "at": "2026-10-16T14:45:57"
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        "pages": 4,
        "sha256": "b63f62ef30b07fb9",
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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,
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        "sha256": "eea7262e5781943394ac3ed4f9d076ea60a9856fdf5911f6ab502d1fcc1b0836",
        "checked": "2026-10-16",
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  "metadata": {
    "specs": {
      "Manufacturer": "SJK SHENZHEN CRYSTAL TECH",
      "Package": "SMD2016-4P",
      "Category": "Crystals, Oscillators, Resonators",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b63f62ef30b07fb998502348c53cbc90e8001ba4512e13372f2b478379116fa4",
      "rows": [
        {
          "name": "Frequency tolerance (at 25°C)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "at 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Frequency stability over operating temperature (-20~70°C)",
          "symbol": "",
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        {
          "name": "Frequency stability over operating temperature (-40~85°C)",
          "symbol": "",
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          "typ": null,
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          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Aging, 1st year (Max)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm/year",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "@25°C 1st year (Max)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Equivalent series resistance (ESR)",
          "symbol": "ESR",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 60,
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          "source_page": 2,
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        {
          "name": "Shunt capacitance",
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        {
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        {
          "name": "Storage temperature range",
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        {
          "name": "Nominal output frequency",
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          "unit": "MHz",
          "min": null,
          "typ": 40,
          "max": null,
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          "source_page": 2,
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        },
        {
          "name": "Load capacitance (CL)",
          "symbol": "CL",
          "kind": "electrical",
          "unit": "PF",
          "min": null,
          "typ": 9,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Driver level",
          "symbol": "",
          "kind": "electrical",
          "unit": "µW",
          "min": null,
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          "max": null,
          "conditions": "Typical",
          "source_page": 2,
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  "discovery_pitch": "7F40000E09UCG (SJK SHENZHEN CRYSTAL TECH) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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