main
Ray Set visibility: public 97411c3 9d ago
{
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  "type": "component",
  "slug": "1xtw26000maa",
  "title": "1XTW26000MAA",
  "brief": "KDS Daishinku Temperature Compensated Crystal Oscillators (TCXO), SMD3225-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "1XTW26000MAA",
    "manufacturer": "KDS Daishinku",
    "package": "SMD3225-4P",
    "pin_count": 4,
    "category": "Crystals, Oscillators, Resonators",
    "subcategory": "Temperature Compensated Crystal Oscillators (TCXO)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588909626465128448",
    "parts": {
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      "lbr": "1xtw26000maa.lbr"
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    "distributor_links": {
      "lcsc": "C213404"
    },
    "distributor_check": {
      "checked_at": "2026-10-14T19:36:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal marked as #1 (index corner) in the pin connection table; the datasheet specifies no separate electrical limit for it."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal listed as GND in the pin connection table; the datasheet specifies no separate electrical limit for it."
      },
      {
        "number": "3",
        "name": "Output",
        "type": "output",
        "description": "Clipped sine wave DC-coupled output at the 26.000 MHz nominal frequency, with output level minimum 0.8 Vp-p, measured into 10 kΩ // 10 pF load."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply input with recommended range 1.7 V to 1.9 V (typical 1.8 V) and absolute maximum rating -0.3 V to +4.6 V; current consumption is max +1.5 mA."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "primary_model": "claude-haiku-5-5",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet does not print the package name 'SMD3225-4P'. The pinout is taken from the only 4-term; Pin 3 is listed as 'Output' with no direction stated in the table; it is typed as output based on it; Pins 1 and 2 are both labelled GND; the datasheet does not say whether they are internally connected"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0442,
        "at": "2026-10-14T19:36:05"
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        "pages": 14,
        "sha256": "1dd0d6ec80182529",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          0.64
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        "zmin_mm": 0,
        "centre_offset_mm": 0.001,
        "footprint_binding": "identity",
        "sha256": "d2a89df82ee5f0f56ef23ee59c8161b8d4e92af2b21959d72778316dde3f9f22",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "KDS Daishinku",
      "Package": "SMD3225-4P",
      "Category": "Crystals, Oscillators, Resonators",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1dd0d6ec8018252919ae4b9278db6f9683d6df7a008b67858374853d0b508252",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 4.6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "T_STG",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.7,
          "typ": 1.8,
          "max": 1.9,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Impedance (resistance part)",
          "symbol": "LOAD_R",
          "kind": "recommended_operating",
          "unit": "kΩ",
          "min": 9,
          "typ": 10,
          "max": 11,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Impedance (parallel capacitance)",
          "symbol": "LOAD_C",
          "kind": "recommended_operating",
          "unit": "pF",
          "min": 9,
          "typ": 10,
          "max": 11,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "T_OPR",
          "kind": "recommended_operating",
          "unit": "C",
          "min": -30,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current Consumption",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "TA=-30~+85C, LOAD_R//C=10kΩ//10pF, VCC=+1.8V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Level",
          "symbol": "VP-P",
          "kind": "electrical",
          "unit": "VP-P",
          "min": 0.8,
          "typ": null,
          "max": null,
          "conditions": "Note 1: clipped sine wave (DC-coupled)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Symmetry",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 40,
          "typ": null,
          "max": 60,
          "conditions": "GND level (DC cut); printed as 40/60 - 60/40",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Harmonics",
          "symbol": "",
          "kind": "electrical",
          "unit": "dBc",
          "min": null,
          "typ": null,
          "max": -5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Frequency Stability, Tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "After 2 times reflow; ref. to nominal frequency",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Frequency Stability, vs Temperature",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "TA=-30~+85C; ref. to frequency (TA=+25C)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Frequency Stability, vs Supply Voltage",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "VCC=+1.8V±0.1V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Frequency Stability, vs Load Variation",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "LOAD_R//C=(10kΩ//10pF)±10%",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Frequency Stability, vs Aging",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm/year",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "TA=Room ambient",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Start Up Time",
          "symbol": "",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "@90% of final Vout level",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SSB Phase Noise",
          "symbol": "",
          "kind": "electrical",
          "unit": "dBc/Hz",
          "min": null,
          "typ": null,
          "max": -130,
          "conditions": "Relative to f0 level, offset 1kHz",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "1XTW26000MAA (KDS Daishinku) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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