main
Ray Set visibility: public bf3b49a 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "1xtv12800pda",
  "title": "1XTV12800PDA",
  "brief": "KDS Daishinku Temperature Compensated Crystal Oscillators (TCXO), SMD3225-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "mpn": "1XTV12800PDA",
    "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/8588910903178117120",
    "parts": {
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      "lbr": "1xtv12800pda.lbr"
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    "distributor_links": {
      "lcsc": "C253731"
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    "distributor_check": {
      "checked_at": "2026-10-14T13:48:21Z",
      "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": "VCONT",
        "type": "input",
        "description": "Frequency control voltage input, recommended range +0.5 V to +2.5 V (typ. +1.5 V) with positive slope, input resistance at least 500 kΩ."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection for the oscillator, serving as the reference for the supply, control voltage and output."
      },
      {
        "number": "3",
        "name": "Output",
        "type": "output",
        "description": "Clipped sine wave output (DC-coupled) at 12.8 MHz, minimum output level 0.8 Vp-p, measured into 10 kΩ // 10 pF."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input, recommended range +2.85 V to +3.15 V (typ. +3.0 V), absolute maximum −0.3 V to +4.6 V."
      }
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    "provenance": {
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        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        ],
        "pages_sent": 14,
        "cost_usd": 0.0451,
        "at": "2026-10-14T13:48:07"
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        "pages": 14,
        "sha256": "7e60cc7118c529c5",
        "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
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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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)"
      },
      {
        "file": "1xtv12800pda-etched.step",
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        "sha256": "ec090785cd303095aaeaa63f0c72f25400c5813627cc3dc18f47eb0cd45c9bdb",
        "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,
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      "datasheet_sha256": "7e60cc7118c529c513fc432c16611fedb7cfb55b04dce5f412ef73f39a64a988",
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          "name": "Supply Voltage",
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          "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": "",
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          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.85,
          "typ": 3,
          "max": 3.15,
          "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,
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        },
        {
          "name": "Control Voltage Range",
          "symbol": "VCONT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.5,
          "typ": 1.5,
          "max": 2.5,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Operating Temperature Range",
          "symbol": "T_OPR",
          "kind": "recommended_operating",
          "unit": "C",
          "min": -40,
          "typ": null,
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          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Current Consumption",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Level",
          "symbol": "",
          "kind": "electrical",
          "unit": "VP-P",
          "min": 0.8,
          "typ": null,
          "max": null,
          "conditions": "",
          "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": -2.5,
          "typ": null,
          "max": 2.5,
          "conditions": "TA=-40~+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=+3.0V±5%",
          "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": "Frequency Control - Control Range",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm",
          "min": 9,
          "typ": null,
          "max": 15,
          "conditions": "VCONT=+1.5V±1.0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Frequency Control - Input Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "",
          "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"
        },
        {
          "name": "Nominal Frequency",
          "symbol": "f0",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 12.8,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "1XTV12800PDA (KDS Daishinku) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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